DIN 2630 Duplex flanges PN 2.5 are high-performance weld neck flanges manufactured to DIN 2630 standards, specifically designed for low-pressure applications up to 2.5 bar (36.25 psi). These flanges are made from Duplex stainless steels such as Duplex 2205 and Super Duplex 2507, which offer a balanced combination of high strength and excellent resistance to corrosion, stress corrosion cracking, and pitting. Engineered for demanding environments, these flanges provide long-lasting reliability in low-pressure systems exposed to aggressive chemicals and high temperatures. Ladhani Metal Corporation is a trusted global supplier and manufacturer of Duplex flanges, known for consistent quality and technical expertise. Our DIN 2630 PN 2.5 Duplex weld neck flanges are widely used in offshore, chemical, petrochemical, and marine industries where both mechanical performance and corrosion resistance are essential. Each flange undergoes rigorous quality control to ensure conformance with international standards and application-specific requirements. Pressure Rating: • PN 2.5 (2.5 bar / 36.25 psi): Designed for low-pressure operations requiring enhanced strength and superior corrosion resistance. Flange Type: • Weld Neck Flanges Designed with a tapered hub to evenly distribute stress and minimize erosion and turbulence in the flow path, making them suitable for high-integrity piping connections. • Flat Face (FF) Flanges Flat face flanges ensure even gasket compression and are ideal for use with cast equipment or non-metallic gasket materials in low-pressure systems. Duplex Grades and Full Composition: Duplex 2205 (UNS S32205 / S31803) • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.08 – 0.20% • Manganese (Mn): ≤ 2.0% • Silicon (Si): ≤ 1.0% • Carbon (C): ≤ 0.03% • Iron (Fe): Balance Applications: Combines high strength with excellent resistance to pitting and crevice corrosion. Common in chemical process plants, desalination systems, and marine structures. Applications of DIN 2630 Duplex Flanges PN 2.5: • Offshore and Marine Engineering Used in piping systems exposed to seawater and harsh marine environments where strength and corrosion resistance are vital. • Chemical and Petrochemical Industry Ideal for handling corrosive process fluids, acids, and chloride-rich environments at low pressure. • Desalination Plants Used in brine systems and piping exposed to high chloride levels and fluctuating temperatures. • Oil and Gas Industry Applied in low-pressure sections of oil rigs, refineries, and gas processing systems where reliability and resistance to sulfide stress cracking are critical. Key Features: • Compliant with DIN 2630 specifications • PN 2.5 rating suitable for low-pressure service • Weld neck design provides high-integrity and stress-distributed connections • Flat face option for soft gasket compatibility and uniform sealing • Manufactured from Duplex and Super Duplex stainless steels for enhanced performance • High strength-to-weight ratio and excellent corrosion resistance • Custom sizes, pressure classes, and surface finishes available upon request Conclusion: DIN 2630 Duplex Flanges PN 2.5 from Ladhani Metal Corporation are engineered for performance in corrosive, high-stress environments where low-pressure service demands superior materials. Combining the strength and corrosion resistance of Duplex and Super Duplex alloys, these flanges ensure long-term durability and safety across a variety of critical applications. Contact Ladhani Metal Corporation for detailed specifications, customization options, or pricing information.

DIN 2576 Duplex Flanges PN 10 are robust, slip-on flanges engineered from duplex stainless steel, designed for piping systems operating under low to medium pressures. Manufactured according to the DIN 2576 standard, these flanges combine high mechanical strength with excellent corrosion resistance, particularly in chloride-rich and aggressive chemical environments. The slip-on configuration allows for simple positioning over the pipe and secure welding, ensuring accurate alignment and strong sealing integrity in a variety of industrial applications. Ladhani Metal Corporation is a renowned manufacturer and global exporter of duplex steel flanges, offering products that conform to international specifications in terms of dimensions, metallurgy, and performance. DIN 2576 duplex flanges are especially valued in industries requiring resistance to pitting, crevice corrosion, and stress corrosion cracking, including offshore, chemical, and wastewater systems. Pressure Rating: • PN 10 (10 bar / 145 psi): Suitable for moderate-pressure systems requiring long-term performance in harsh environments. Flange Types: • Slip-On Flanges Designed to slide over the pipe and be welded on both sides, these flanges offer easy installation and secure mechanical integrity. • Flat Face (FF) Flanges Used in conjunction with flat gaskets and flat mating surfaces, ideal for connections involving non-metallic or cast components. Duplex Stainless Steel Grades and Composition: Duplex 2205 (UNS S32205 / S31803) Composition: • Chromium (Cr): 21.0 – 23.0% • Nickel (Ni): 4.5 – 6.5% • Molybdenum (Mo): 2.5 – 3.5% • Nitrogen (N): 0.14 – 0.20% • Iron (Fe): Balance Applications: Duplex 2205 offers twice the yield strength of conventional stainless steels with superior resistance to chloride-induced corrosion. Common applications include chemical processing, desalination, marine systems, and structural components in offshore platforms. Applications of DIN 2576 Duplex Flanges: • Offshore and Marine Engineering Ideal for seawater cooling systems, risers, and structural supports exposed to harsh marine environments. • Chemical and Petrochemical Industries Used in systems handling aggressive acids, chlorides, and solvents where standard stainless steels are insufficient. • Water Treatment and Desalination Applied in brine systems, high-salinity piping, and reverse osmosis plants for their resistance to pitting and scaling. • Pulp and Paper Industry Resists corrosion from bleaching chemicals and process fluids under high pressure. • Oil and Gas Suitable for pressure control systems, separators, and sour service applications. • Structural and Pressure Vessel Fabrication Used in tanks, pressure vessels, and piping subjected to mechanical and corrosive stress. Key Features: • Compliant with DIN 2576 standards • PN 10 pressure rating for moderate-pressure use • Excellent resistance to chloride stress corrosion, pitting, and crevice corrosion • High strength-to-weight ratio, reducing component size and cost • Available in Duplex 2205, Super Duplex 2507, and other custom grades • Slip-on design ensures quick and accurate pipe connections • Flat face options compatible with a variety of gaskets and materials • Ideal for chemical, marine, oil and gas, and water treatment sectors • Custom dimensions, face types, and surface finishes available Conclusion: DIN 2576 Duplex Flanges PN 10 from Ladhani Metal Corporation provide outstanding durability and corrosion resistance for challenging industrial environments. With availability in Duplex 2205 and Super Duplex 2507, these flanges are a reliable solution for systems exposed to high chlorides, pressure, and temperature. For technical specifications, grade selection, or project-specific orders, contact Ladhani Metal Corporation today.

DIN 2567 duplex flanges PN 25 and PN 40 are high-performance threaded flanges manufactured according to DIN 2567 standards, specifically engineered for applications requiring superior strength, corrosion resistance, and long service life in aggressive environments. These flanges are ideal for medium to high-pressure systems and are widely used in industries such as oil & gas, petrochemicals, marine, and wastewater treatment. Ladhani Metal Corporation is a trusted manufacturer and global supplier of duplex flanges, offering precision-machined components designed to withstand stress, temperature fluctuations, and corrosive operating conditions. The threaded configuration enables quick, weld-free assembly, making them suitable for systems requiring routine inspection or maintenance. Pressure Ratings: • PN 25 (25 bar / 362 psi): Suitable for demanding fluid systems operating under moderate to high pressure. • PN 40 (40 bar / 580 psi): Built to handle high-pressure flow systems and aggressive environments, ensuring safety and durability under load. Flange Types: • Threaded (Screwed) Flanges Allow for easy connection and disassembly without welding; ideal for maintenance-accessible systems. • Raised Face (RF) Flanges Enhances gasket performance by focusing sealing pressure in a smaller contact area. • Flat Face (FF) Flanges Common in systems using brittle or non-metallic materials, especially in low-to-medium pressure operations. • Forged Threaded Flanges Deliver greater mechanical strength and improved dimensional accuracy. • Custom-Machined Flanges Offered in customized sizes, pressure classes, and duplex material grades to meet project-specific needs. Duplex Steel Grades and Composition: 1. Duplex 2205 (UNS S31803 / S32205) o Composition:  Chromium (Cr): 21.0 – 23.0%  Nickel (Ni): 4.5 – 6.5%  Molybdenum (Mo): 2.5 – 3.5%  Manganese (Mn): ≤ 2.0%  Nitrogen (N): 0.14 – 0.20%  Carbon (C): ≤ 0.03%  Silicon (Si): ≤ 1.0%  Iron (Fe): Balance Applications: Used in desalination plants, offshore platforms, heat exchangers, and pressure vessels due to its excellent chloride stress corrosion cracking resistance and high mechanical strength. Applications of DIN 2567 Duplex Flanges: • Oil & Gas Industry: Used in pipeline systems, separators, and subsea manifolds • Chemical and Petrochemical Plants: Withstand aggressive chemical exposure, including acids and chlorides • Desalination and Marine Engineering: Excellent performance in saltwater environments • Power Plants: Durable for use in high-pressure steam and cooling water systems • Wastewater Treatment: Corrosion-resistant in sludge, brine, and industrial effluent pipelines • Pulp and Paper Industry: Withstands acidic environments and mechanical abrasion Key Features: • Manufactured as per DIN 2567 standard • Available with PN 25 and PN 40 pressure ratings • High yield strength and stress corrosion cracking resistance • Superior resistance to pitting, crevice corrosion, and chloride-rich environments • Excellent mechanical and fatigue properties under both static and dynamic loading • Supplied with inspection certificates, testing reports, and full material traceability • Compatible with internal linings, coatings, or passivation treatments Conclusion: DIN 2567 duplex flanges PN 25 and PN 40 from Ladhani Metal Corporation are engineered for tough environments where standard stainless steel may fail. With their excellent strength, corrosion resistance, and long-term reliability, these flanges provide a safe and efficient connection solution for critical industrial systems. For detailed specifications, custom requirements, or bulk inquiries, reach out to Ladhani Metal Corporation today.

DIN 2545 duplex flanges are designed to provide exceptional strength and corrosion resistance in demanding industrial applications. Ladhani Metal Corporation offers these high-quality flanges made from duplex stainless steel, which combines the best features of both austenitic and ferritic structures. This unique material provides superior resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for use in harsh environments. With a pressure rating of PN 40, these flanges are capable of handling pressures up to 40 bar, ensuring safe and reliable performance in industries such as chemical processing, oil and gas, marine, and offshore platforms. Types of DIN 2545 Duplex Flanges: Flat Face Flanges (FF) – These flanges have a flat surface that facilitates a uniform distribution of the sealing force, making them ideal for low-pressure applications or systems where a secure seal is essential. Raised Face Flanges (RF) – Featuring a raised face around the bolt holes, these flanges provide a higher sealing pressure, ensuring a more reliable seal, especially in higher-pressure environments. Ring-Type Joint (RTJ) Flanges – Designed with a groove for a metal sealing ring, these flanges are suitable for use in applications requiring high pressure and high temperature resistance. Grades and Chemical Composition: -Duplex 2205 (UNS S32205) Chemical Composition: Cr: 22%, Ni: 5-6%, Mo: 3%, N: 0.14-0.2%, Fe: balance Duplex 2205 is the most common duplex stainless steel grade. It offers excellent corrosion resistance in chloride environments, making it suitable for applications like seawater, chemical, and petrochemical processing. The combination of austenitic and ferritic phases gives Duplex 2205 higher strength compared to austenitic stainless steels, along with improved resistance to pitting and stress corrosion cracking. Super Duplex 2507 (UNS S32750) Chemical Composition: Cr: 25%, Ni: 7%, Mo: 4%, N: 0.27%, Fe: balance Super Duplex 2507 is a higher alloy version of Duplex 2205, offering superior resistance to chloride stress corrosion cracking, pitting, and crevice corrosion. It is used in more aggressive environments, such as offshore oil and gas applications, where the material must withstand high pressures and corrosive conditions. Its higher molybdenum and nitrogen content enhances its performance in severe environments. PN 40 Pressure Rating: The "PN" in DIN 2545 refers to the pressure rating, and PN 40 indicates that the flange is designed to handle pressures up to 40 bar. This ensures that the flange is robust and reliable under high-pressure conditions, maintaining secure and leak-proof connections in critical applications. Applications: Oil and Gas Industry: These flanges are widely used in offshore and onshore pipelines, pressure vessels, and other critical infrastructure in oil and gas exploration, extraction, and transportation. Chemical and Petrochemical Industry: Due to their excellent resistance to corrosion, especially in acidic or chloride-rich environments, they are ideal for use in reactors, heat exchangers, and pipelines handling chemicals and petrochemicals. Marine and Offshore Applications: Duplex flanges are highly resistant to seawater corrosion, making them ideal for use in marine environments, such as shipbuilding, offshore rigs, and seawater cooling systems. Water Treatment Plants: These flanges are used in systems that handle aggressive water environments, ensuring durability and long service life in water and wastewater treatment applications. Power Generation: In power plants, these flanges are used in steam lines, cooling systems, and heat exchangers, where strength, corrosion resistance, and high-pressure capabilities are critical. Pharmaceutical Industry: These flanges are used in systems requiring sanitary conditions and resistance to aggressive cleaning solutions, such as in the transportation of chemicals or in reaction vessels. Key Benefits of Duplex Flanges (PN 40): Exceptional strength and corrosion resistance. Resistance to pitting and crevice corrosion. Excellent performance in harsh environments. Cost-effective compared to higher-grade materials for similar applications. DIN 2545 Duplex Flanges (PN 40) are a reliable choice for high-pressure applications in industries that demand both high performance and durability. #din2545 #din2545flanges #din2545duplexflanges #flanges

Product name: Gr7 Titanium Elbow 90 degree Standard: ANSI / ASME B16.9 ,ANSI / ASME B16.9 B363 Material grade: Grade 7 OD: 1/2"-36" Wall thickness: 1.0-18mm Type: Seamless ,welded Surface: Pickled, polished,sand-blasting Gr7 Titanium Elbow 90 degree Titanium elbow in pipeline, elbow is a pipe fitting that changes the direction of pipeline. According to the angle, there are three commonly used angles: 45 ° and 90 ° 180 °. In addition, according to the needs of the project, it also includes 60 ° and other abnormal angle elbows. The materials of elbows include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics. The connection methods with pipes include: direct welding (more commonly used) flange connection, hot-melt connection, electric fusion connection, threaded connection, socket connection, etc. Product Titanium elbow Application pipe connection Material Gr7 titanium alloy Standard ANSI B16.5,JIS B2220,DIN2627-2628,ASME OD 1/2"-36" Wall Thickness Sch 5s - Sch 160 Certificate TUV, ISO9001 Materials Titanium Grade 7 Quality control PMI,100% ULTRASONIC TEST etc Grade 7 (Ti-0.2Pd) titanium Chemical compositions(weight%,<=) Pd Al V Fe C 0.12-0.25 ---- ---- 0.30 0.08 N H O Other(total) Ti 0.05 0.015 0.2 0.4 Remainder Physical properties(>=) Σb Tensile Strength (Mpa) σr0.2 Yield Strength (Mpa) δL0+50mm Elongation (%) ψ Reduction of area (%) 370 250 20 25

QUALITU STANDARD MATERIAL NO. DC07 DIN EN 10130 1.0873 The super deep drawing grade DC07 is specified according to the standard DIN EN 10130, which focuses on cold-rolled flat products made of soft steels for cold forming. This standard ensures that the technical requirements and test methods for cold-rolled products are met, which are of great importance in various industrial applications, especially where the highest demands are placed on formability and surface quality. DC07 is a particularly low-carbon steel characterized by exceptional cold formability. The chemical composition of DC07 is strictly controlled to ensure its excellent mechanical properties. The carbon content in DC07 is typically a maximum of 0.01 %, while the manganese content is a maximum of 0.20 %. The addition of micro-alloyed elements such as titanium and niobium can further improve formability and strength. The mechanical properties of DC07 are characterized by a very low maximum yield strength of 120 MPa and a tensile strength of between 270 and 350 MPa. A particularly outstanding property of DC07 is its high elongation at break of at least 40 %, which underlines the excellent formability of the material. These properties make DC07 ideal for the production of complex components that require extremely high precision and surface quality, such as deep-drawn body parts in the automotive industry or highly complex components in the electronics industry. The DIN EN 10130 standard also specifies precise tolerances for dimensions, shape and surface finish. These tolerances are crucial to ensuring consistently high product quality and meeting the requirements of end users. The surface of the cold-rolled flat products can be supplied in various qualities, from matt to high-gloss, to meet the specific requirements of different applications. The DIN EN 10152 standard specifies electrolytically galvanized, cold-rolled steel flat products for cold forming, including the super deep-drawing grade DC07. This standard defines the requirements for the zinc coating and the basic mechanical properties of the base material. DC07, when electrolytically galvanized in accordance with DIN EN 10152, is given an additional corrosion protection layer of zinc. This layer protects the material from oxidative influences and significantly increases the service life of the components made from it. The zinc coating can be applied in various thicknesses, depending on the specific requirements of the application. Typical coating thicknesses range from 5 to 20 µm. The chemical composition and mechanical properties of the base material DC07 remain unchanged after galvanizing and meet the requirements of DIN EN 10130. DC07 therefore retains its exceptional cold formability and mechanical performance. The yield strength, tensile strength and elongation at break also remain in the same range as for non-galvanized DC07. In addition to mechanical performance, the quality of the zinc coating is of central importance. The DIN EN 10152 standard specifies the requirements for the uniformity of the coating, the adhesive strength of the zinc and the surface quality. These requirements ensure that the galvanized products offer high corrosion resistance and an aesthetically pleasing surface. The use of DC07 in accordance with DIN EN 10152 is widespread in the automotive industry, the construction industry and in the manufacture of household appliances, where improved corrosion resistance is required in addition to high formability. Electrolytic galvanizing offers optimum protection here without impairing the excellent mechanical properties of the base material. In summary, it can be said that the DC07 super deep-drawing grade offers a wide range of applications in accordance with both DIN EN 10130 and DIN EN 10152. While DIN EN 10130 focuses on excellent formability and surface quality, DIN EN 10152 supplements these properties with improved corrosion resistance thanks to the zinc coating. Both standards ensure that DC07 is a reliable and high-quality material for numerous industrial applications.

QUALITU STANDARD MATERIAL NO. DC06 DIN EN 10130 1.0873 The special deep-drawing grade DC06 is specified in accordance with the standard DIN EN 10130, which focuses on cold-rolled flat products made of soft steels for cold forming. This standard defines the requirements and test methods for cold-rolled products used in various industrial applications, especially where high demands are placed on formability and surface quality. DC06 is an ultra-low carbon steel characterized by outstanding cold formability. The chemical composition of DC06 is precisely defined to ensure that the material has the required mechanical properties. Typically, DC06 contains a maximum of 0.01% carbon, a maximum of 0.20% manganese and only minimal traces of phosphorus and sulphur. This small amount of alloying elements contributes to the steel’s exceptional formability and weldability. The mechanical properties of DC06 are also clearly defined. The material has a maximum yield strength of 120 MPa and a tensile strength of between 270 and 350 MPa. In addition, DC06 has an elongation at break of at least 40%, which underlines its excellent formability. These properties make DC06 particularly suitable for the production of complex and precise components that require high formability, such as deep-drawn body parts in the automotive industry or sophisticated components in the household appliance industry. The DIN EN 10130 standard also specifies the tolerances for dimensions, shape and surface finish. These tolerances are crucial to ensure consistently high product quality and to meet the requirements of the end user. The surface of the cold-rolled flat products can be supplied in various qualities, from matt to glossy, to meet the specific requirements of different applications. The DIN EN 10152 standard specifies electrolytically galvanized, cold-rolled flat steel products for cold forming, including the special deep-drawing grade DC06. This standard defines the requirements for the zinc coating and the basic mechanical properties of the base material. DC06, when electrolytically galvanized in accordance with DIN EN 10152, is given an additional corrosion protection layer of zinc. This layer protects the material from oxidative influences and significantly increases the service life of the components made from it. The zinc coating can be applied in various thicknesses, depending on the specific requirements of the application. Typical coating thicknesses range from 5 to 20 µm. The chemical composition and mechanical properties of the base material DC06 remain unchanged even after galvanizing and meet the requirements of DIN EN 10130. DC06 therefore retains its outstanding cold formability and mechanical performance. The yield strength, tensile strength and elongation at break also remain in the same range as for ungalvanized DC06. In addition to mechanical performance, the quality of the zinc coating is of central importance. The DIN EN 10152 standard specifies the requirements for the uniformity of the coating, the adhesive strength of the zinc and the surface quality. These requirements ensure that the galvanized products offer high corrosion resistance and an aesthetically pleasing surface. The use of DC06 in accordance with DIN EN 10152 is widespread in the automotive industry, in the construction industry and in the manufacture of household appliances, where improved corrosion resistance is required in addition to high formability. Electrolytic galvanizing offers optimum protection here without impairing the excellent mechanical properties of the base material. In summary, it can be said that the special deep-drawing grade DC06 offers a wide range of applications in accordance with both DIN EN 10130 and DIN EN 10152. While DIN EN 10130 focuses on outstanding formability and surface quality, DIN EN 10152 supplements these properties with improved corrosion resistance thanks to the zinc coating. Both standards ensure that DC06 is a reliable and high-quality material for numerous industrial applications.

QUALITU STANDARD MATERIAL NO. OLD DESIGNATION DC05 DIN EN 10130 1.0312 St 15-03 The special deep-drawing grade DC05 is specified in accordance with the DIN EN 10130 standard, which focuses on cold-rolled flat products made of soft steels for cold forming. This standard specifies the technical requirements and test methods for cold-rolled products used in numerous industrial applications, particularly where exceptional formability and excellent surface quality are required. DC05 is a low-carbon steel that is characterized by its excellent cold formability. The chemical composition of DC05 is strictly controlled to ensure that the material has the desired mechanical properties. The carbon content in DC05 is typically a maximum of 0.02 %, while the manganese content is a maximum of 0.25 %. This composition promotes the high formability and weldability of the steel. The mechanical properties of DC05 are characterized by a low yield strength of maximum 150 MPa and a tensile strength between 270 and 350 MPa. An outstanding feature of DC05 is its high elongation at break of at least 38 %, which illustrates its excellent formability. These properties make DC05 ideal for the production of complex components that require high precision and surface quality, such as body parts in the automotive industry or sophisticated components in the electrical industry. The DIN EN 10130 standard also specifies the tolerances for dimensions, shape and surface finish. These tolerances are crucial to ensure consistently high product quality and to meet the requirements of end users. The surface of the cold-rolled flat products can be supplied in various qualities, from matt to glossy, to meet the specific requirements of different applications. The DIN EN 10152 standard specifies electrolytically galvanized, cold-rolled flat steel products for cold forming, including the special deep-drawing grade DC05. This standard defines the requirements for the zinc coating and the basic mechanical properties of the base material. DC05, when electrolytically galvanized in accordance with DIN EN 10152, is given an additional corrosion protection layer of zinc. This layer protects the material from oxidative influences and significantly increases the service life of the components made from it. The zinc coating can be applied in various thicknesses, depending on the specific requirements of the application. Typical coating thicknesses range from 5 to 20 µm. The chemical composition and mechanical properties of the base material DC05 remain unchanged after galvanizing and meet the requirements of DIN EN 10130. DC05 therefore retains its excellent cold formability and mechanical performance. The yield strength, tensile strength and elongation at break also remain in the same range as for ungalvanized DC05. In addition to mechanical performance, the quality of the zinc coating is of central importance. The DIN EN 10152 standard specifies the requirements for the uniformity of the coating, the adhesive strength of the zinc and the surface quality. These requirements ensure that the galvanized products offer high corrosion resistance and an aesthetically pleasing surface. The use of DC05 in accordance with DIN EN 10152 is widespread in the automotive industry, in the construction industry and in the manufacture of household appliances, where improved corrosion resistance is required in addition to high formability. Electrolytic galvanizing offers optimum protection here without impairing the excellent mechanical properties of the base material. In summary, it can be said that the special deep-drawing grade DC05 offers a wide range of applications in accordance with both DIN EN 10130 and DIN EN 10152. While DIN EN 10130 focuses on high formability and surface quality, DIN EN 10152 supplements these properties with improved corrosion resistance thanks to the zinc coating. Both standards ensure that DC05 is a reliable and high-quality material for numerous industrial applications.

QUALITU STANDARD MATERIAL NO. OLD DESIGNATION DC04 DIN EN 10130 1.0338 St 14-03 The special deep-drawing grade DC04 is specified in accordance with the standard DIN EN 10130, which focuses on cold-rolled flat products made of soft steels for cold forming. This standard specifies the technical requirements and test methods for cold-rolled products that are important in numerous industrial applications, especially where high formability and excellent surface quality are required. DC04 is a low-carbon steel that impresses with its exceptional cold formability. The chemical composition of DC04 is precisely balanced to ensure that the material has the desired mechanical properties. The carbon content in DC04 is typically a maximum of 0.08 %, while the manganese content is a maximum of 0.40 %. This composition supports the high formability and weldability of the steel, making it ideal for demanding forming processes. The mechanical properties of DC04 are characterized by a low yield strength of maximum 210 MPa and a tensile strength between 270 and 350 MPa. Particularly noteworthy is the high elongation at break of at least 38%, which illustrates the excellent formability of the material. These properties make DC04 a preferred choice for the production of complex components that require high precision and surface quality, such as car body components in the automotive industry or filigree parts in the electronics industry. The DIN EN 10130 standard also specifies the tolerances for dimensions, shape and surface finish. These tolerances are crucial to ensure consistently high product quality and to meet the requirements of end users. The surface of the cold-rolled flat products can be supplied in various qualities, from matt to high-gloss, to meet the specific requirements of different applications. The DIN EN 10152 standard specifies electrolytically galvanized, cold-rolled flat steel products for cold forming, including the special deep-drawing grade DC04. This standard defines the requirements for the zinc coating and the basic mechanical properties of the base material. DC04, when electrolytically galvanized in accordance with DIN EN 10152, is given an additional corrosion protection layer of zinc. This layer protects the material from oxidative influences and significantly increases the service life of the components made from it. The zinc coating can be applied in various thicknesses, depending on the specific requirements of the application. Typical coating thicknesses range from 5 to 20 µm. The chemical composition and mechanical properties of the base material DC04 remain unchanged even after galvanizing and meet the requirements of DIN EN 10130. DC04 therefore retains its excellent cold formability and mechanical performance. In addition to mechanical performance, the quality of the zinc coating is of central importance. The DIN EN 10152 standard specifies the requirements for the uniformity of the coating, the adhesive strength of the zinc and the surface quality. These requirements ensure that the galvanized products offer high corrosion resistance and an aesthetically pleasing surface. The use of DC04 in accordance with DIN EN 10152 is widespread in the automotive industry, the construction industry and in the manufacture of household appliances, where improved corrosion resistance is required in addition to high formability. Electrolytic galvanizing offers optimum protection here without impairing the excellent mechanical properties of the base material. DC04 and DC01 are both cold-rolled, unalloyed quality steels that are used for various industrial applications. While DC01 serves as the standard grade for general cold forming processes, DC04 is characterized by improved deep-drawing properties and higher ductility. This comparison highlights the differences between the two materials in terms of chemical composition, mechanical properties and typical applications. Chemical composition The chemical composition influences the formability and weldability of the steel. Both steels are made of carbon steel, but DC04 has a lower carbon content, which supports its improved cold formability. Thanks to the lower carbon and Sulphur content, DC04 offers improved deep-drawing capability as less intergranular embrittlement occurs. Mechanical properties The mechanical properties are decisive for the forming processes and the behavior of the steel under load. DC04 has a lower yield strength and higher elongation, which makes the material easier to form. The lower yield strength and increased minimum elongation of DC04 make this material ideal for demanding forming processes such as deep drawing.