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DIN 2543 Carbon Steel Flanges are flanges made from carbon steel, a widely used material in the manufacturing of flanges for industrial applications. Carbon steel is an alloy made primarily of iron and carbon with small amounts of other elements, offering a combination of strength, durability, and affordability. These flanges conform to the DIN (Deutsches Institut für Normung) standard and are widely used in various industries such as oil and gas, water treatment, power generation, and chemical processing.
Material: Typically made from carbon steel alloys such as A105, A350 LF2, and A234 WPB.
Pressure Rating (PN16): Rated for 16 bar (approximately 232 psi) at 20°C (68°F), suitable for medium-pressure applications.
Key Features of DIN 2543 Carbon Steel Flanges:
Strength and Durability:
Carbon steel offers high strength and durability, making it suitable for many applications that require high mechanical properties and resistance to wear and tear.
Weldability:
Carbon steel flanges are weldable and can be easily joined with other carbon steel components using common welding techniques, ensuring strong and durable connections in piping systems.
Corrosion Resistance:
While carbon steel is more prone to corrosion than stainless steel, it can be protected with coatings, paints, or other surface treatments to provide resistance to environmental elements like water or chemicals.
Types of Carbon Steel Flanges (DIN 2543):
Weld Neck Flanges (WN):
These flanges have a long, tapered neck that is welded to the pipe. They are ideal for high-pressure applications as they provide a stronger, more reliable connection.
Slip-On Flanges (SO):
Slip-on flanges slide over the pipe and are welded both inside and outside. These are commonly used in medium-pressure systems and are easier to install than weld neck flanges.
Blind Flanges (BL):
These flanges are used to seal the end of a pipeline, preventing fluid flow. Blind flanges are ideal for systems that need to be closed off for maintenance or future expansion.
Socket Weld Flanges (SW):
These flanges have a socket into which the pipe is inserted and welded. Typically used for smaller-bore systems, socket weld flanges provide a strong connection that is suitable for high-pressure applications.
Lap Joint Flanges (LJ):
These flanges are used with a lap joint stub end. They allow for easy alignment and disassembly, making them useful in systems that require frequent maintenance or modification.
Common Carbon Steel Grades for DIN 2543 Flanges:
A105 (Carbon Steel):
Composition: Primarily composed of carbon (0.35% max) and manganese (0.60-0.90%), with trace amounts of phosphorus and sulfur.
A350 LF2 (Low-Temperature Carbon Steel):
Composition: Contains carbon, manganese, phosphorus, sulfur, and small amounts of other elements like silicon and nickel.
A234 WPB (Carbon Steel, Piping Fittings):
Composition: Contains carbon, manganese, phosphorus, and sulfur in specific percentages, with a focus on high tensile strength.
Pressure Rating (PN16): PN16 refers to the pressure rating of 16 bar (approximately 232 psi) at 20°C (68°F), suitable for medium-pressure system.
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Standard: ASTM B863
Material: Gr2
Unit Price: $25usd/kg-$60usd/kg
Shape: Straight, Spool, Coil
Diameter: 0.1-7.0mm
Surface: Bright
Titanium wire has low density but high strength-to-weight ratio. In addition, it is non-toxic, non-magnetic and corrosion resistant. All these unique properties make titanium wire widely used in titanium woven and knitted mesh, electroplating, titanium fastener forming, welding, medical equipment manufacturing, spectacle frames, jewelry design and many other key industries.
Generally, users pay more attention to the chemical elements or impurities of titanium welding wire. For other applications, customer concerns will include surface condition, tolerance precision, tempering (hardness), continuous coil weight/dimensions, tensile strength/yield strength, etc. Our engineers will find you the most suitable solution for your specific job here.
Product name
Titanium Wire
Grade
Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, Gr9, Gr12, Gr23, Ti-15V-3Al-3Cr-3Sn (Ti-15333), Nitinol (Ni-Ti)
Size
0.1-7.0mm
Shape
Straight, Spool, Coil
Surface
Polishing, Pickling
Standard
ASTM B863 (for general industry)
AWS A5.16 (for welding)
ASTM F67, F136 (for medical)
Customized specification
Certificates
EN 10204 3.1
Third parts inspection - SGS, TUV, BV etc.
Material: Gr1, Gr2, Gr5, Gr7, Gr12 etc.
OD: 150-2500mm
Thickness: 30-250mm
Production Methods: Forging,annealing and machining
Packing: Plywood box
Gr2 Titanium Tubesheet
Product Description
In the process of titanium tubesheet inspection, the main inspection indicators are hole position, hole diameter tolerance, hole finish, presence or absence of burrs, and groove position. For double tubesheets, more attention should be paid to the location of the holes during the inspection process, and the degree of coordination of the holes is very important. Usually, it can be guaranteed with a CNC drilling machine. Compared with thick plates, the verticality of holes above 300mm is very important. These large-diameter thick plates require more sophisticated tools and equipment.
DIN 2632 stainless steel flanges PN 10 are precision-engineered weld neck flanges manufactured in accordance with the DIN 2632 standard. These flanges are designed for medium-pressure applications up to 10 bar (145 psi), providing strong, leak-proof connections in a wide range of industrial piping systems. Produced from high-quality stainless steel grades such as 304, 316, and 321, they deliver excellent corrosion resistance, mechanical strength, and durability even under moderately demanding environmental and operational conditions.
Ladhani Metal Corporation is a globally recognized manufacturer and supplier of stainless steel flanges, committed to consistent quality and engineering accuracy. Each flange is carefully inspected to meet relevant industry standards and environmental regulations.
Pressure Rating:
• PN 10 (10 bar / 145 psi): Suitable for medium-pressure pipeline systems requiring robust joint integrity and corrosion resistance.
Flange Type:
• Weld Neck Flanges
Designed with a long tapered hub to provide secure pipe alignment and minimize stress concentrations at the flange base. This ensures smooth flow transitions and reduces turbulence.
• Flat Face (FF) Flanges
Flat face design facilitates even gasket compression and is ideal for systems using cast components or soft gasket materials.
Stainless Steel Grades and Full Composition:
Stainless Steel 304
• Chromium (Cr): 18.0 – 20.0%
• Nickel (Ni): 8.0 – 10.5%
• Carbon (C): ≤ 0.08% (304), ≤ 0.03% (304L)
• Manganese (Mn): ≤ 2.0%
• Silicon (Si): ≤ 1.0%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.03%
• Iron (Fe): Balance
Applications: Suitable for general-purpose medium-pressure systems including potable water lines, food-grade applications, and light chemical processing.
Stainless Steel 316
• Chromium (Cr): 16.0 – 18.0%
• Nickel (Ni): 10.0 – 14.0%
• Molybdenum (Mo): 2.0 – 3.0%
• Carbon (C): ≤ 0.08% (316), ≤ 0.03% (316L)
• Manganese (Mn): ≤ 2.0%
• Silicon (Si): ≤ 1.0%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.03%
• Iron (Fe): Balance
Applications: Provides enhanced corrosion resistance for systems exposed to chlorinated water, cleaning chemicals, and mildly acidic environments. Common in pharmaceutical, marine, and chemical processing pipelines.
Stainless Steel 321
• Chromium (Cr): 17.0 – 19.0%
• Nickel (Ni): 9.0 – 12.0%
• Titanium (Ti): ≥ 5 × C (typically 0.20 – 0.70%)
• Carbon (C): ≤ 0.08%
• Manganese (Mn): ≤ 2.0%
• Silicon (Si): ≤ 1.0%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.03%
• Iron (Fe): Balance
Applications: Ideal for moderate temperature and corrosion environments, frequently used in exhaust systems, thermal processing, and hygienic food equipment.
Applications of DIN 2632 Stainless Steel Flanges PN 10:
• Water Supply and Treatment
Used in potable water and wastewater systems requiring medium-pressure handling.
• Food and Beverage Industry
Suitable for hygienic piping systems that operate at moderate pressures and require corrosion resistance.
• Chemical Distribution
Commonly used in pipelines carrying diluted or mildly aggressive chemicals.
• HVAC and Ventilation
Applied in duct flanges and connections for air handling and medium-pressure ventilation systems.
Key Features:
• Manufactured as per DIN 2632 standards
• PN 10 pressure rating for medium-pressure service
• Weld neck design enhances pipe-flange joint strength
• Available in stainless steel grades 304, 304L, 316, 316L, and 321
• Resistant to corrosion with long service life under mechanical and environmental stresses
• Suitable for food-grade, chemical, water, and HVAC applications
• Custom sizes, finishes, and material grades available on request
Conclusion:
DIN 2632 Stainless Steel Flanges PN 10 from Ladhani Metal Corporation are engineered to meet the demands of medium-pressure industrial applications where reliability, corrosion resistance, and durability are critical. Manufactured from premium stainless steel materials, these weld neck flanges provide an economical and dependable solution across sectors such as water treatment, food processing, chemical distribution, and HVAC systems. For custom requirements, technical support, or pricing information, contact Ladhani Metal Corporation today
DIN 2543 Inconel Flanges are flanges made from Inconel, a group of nickel-chromium superalloys known for their excellent corrosion resistance, high strength, and ability to withstand high temperatures. These flanges are often used in extreme environments where both heat resistance and corrosion resistance are required, such as in aerospace, chemical processing, and power generation industries.
Material: Typically made from Inconel alloys, most commonly Inconel 600, Inconel 625, and Inconel 718.
Pressure Rating (PN16): Rated for 16 bar (approx. 232 psi) at 20°C (68°F), making them suitable for medium-pressure applications.
Key Features of DIN 2543 Inconel Flanges:
Corrosion Resistance:
Inconel alloys offer excellent resistance to corrosion, particularly in high-temperature environments.
High-Temperature Strength:
Inconel flanges maintain their strength even at high temperatures (up to around 1000°C/1832°F), which makes them well-suited for use in gas turbines, furnaces, and heat exchangers.
Durability:
Inconel materials are designed to provide long-lasting durability under high-stress and high-temperature conditions, even in aggressive corrosive environments.
Weldability:
Inconel alloys are generally weldable, though careful attention must be given to the welding process to avoid any cracking or other issues associated with high-temperature alloys.
Types of Inconel Flanges (DIN 2543):
Weld Neck Flanges (WN):
These flanges have a long neck that provides additional strength by allowing for a strong weld between the flange and the pipe. Ideal for high-pressure and high-temperature systems.
Slip-On Flanges (SO):
These flanges slide over the pipe and are welded inside and outside. They are easy to install and are commonly used in medium-pressure applications.
Blind Flanges (BL):
Used to seal the end of a piping system, preventing the flow of fluids. These flanges do not have a hole in the center.
Socket Weld Flanges (SW):
These flanges have a socket for the pipe to fit into, which is then welded. They are used in small-bore systems where high-pressure conditions are present.
Lap Joint Flanges (LJ):
These flanges are paired with a lap joint stub end. They allow easy alignment and disassembly, making them ideal for systems that require frequent maintenance.
Common Inconel Grades for DIN 2543 Flanges:
Inconel 600:
Composition: Approximately 72% nickel, 14-17% chromium, and 6-10% iron.
Properties: Excellent resistance to oxidation and corrosion at high temperatures, especially in sulfuric acid and chloride environments.
Inconel 625:
Composition: Approximately 58% nickel, 22% chromium, and 9% molybdenum.
Properties: Outstanding resistance to both high temperatures and a wide range of corrosive environments, including seawater, acids, and oxidizing environments.
Inconel 718:
Composition: Approximately 50-55% nickel, 17-21% chromium, and 4-5% molybdenum.
Properties: Known for its high strength and resistance to heat, oxidation, and corrosion, especially in high-temperature environments.
Pressure Rating (PN16): PN16 refers to the pressure rating of 16 bar (approx. 232 psi) at 20°C (68°F).
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DIN 2543 Super Duplex Flanges refer to flanges made from Super Duplex Stainless Steel, which combines both austenitic and ferritic microstructures. Super duplex stainless steel grades, such as Grade 2507, offer superior strength and exceptional corrosion resistance compared to standard duplex or austenitic stainless steels. These flanges are used in environments where high strength and resistance to aggressive corrosion are required.
Key Features of DIN 2543 Super Duplex Flanges:
Corrosion Resistance:
Super Duplex Stainless Steel (Grade 2507) offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking.
Strength:
Super duplex steels have higher strength than both standard duplex and austenitic steels. This makes them suitable for high-pressure systems where both strength and resistance to corrosion are critical.
Durability:
These flanges are designed to withstand harsh environments and extreme conditions, ensuring long-term durability and reliability.
Weldability:
While super duplex materials are highly weldable, the welding process must be carefully controlled to avoid issues like sensitization and the formation of brittle phases.
Types of Super Duplex Flanges (DIN 2543):
Weld Neck Flanges (WN):
These have a tapered neck and are welded to the pipe. They provide strength and are ideal for high-pressure applications.
Slip-On Flanges (SO):
These flanges slip over the pipe and are welded both inside and outside. They are easy to install and are used for general-purpose applications.
Blind Flanges (BL):
Used to close off the end of a pipeline or system, preventing fluid flow. They do not have a central hole.
Socket Weld Flanges (SW):
These flanges feature a socket into which the pipe is inserted and then welded. Used for smaller bore systems where high pressure is involved.
Lap Joint Flanges (LJ):
These flanges are used with a lap joint stub end. They allow for easy alignment and disassembly, often used in systems that need frequent maintenance.
Common Super Duplex Stainless Steel Grades for DIN 2543 Flanges:
Grade 2507 (Super Duplex Stainless Steel):
Composition: Contains 25% chromium, 7% nickel, and 4% molybdenum.
Properties: Superior corrosion resistance, particularly in highly aggressive environments like seawater, sulfuric acid, and other chloride-rich conditions. Also offers high strength and excellent resistance to pitting and stress corrosion cracking.
Grade 2906 (Super Duplex Stainless Steel):
Composition: Contains 29% chromium, 6% nickel, and 3% molybdenum.
Properties: Offers even higher resistance to corrosion and better strength compared to Grade 2507, making it suitable for more extreme environments.
Pressure Rating (PN16):
PN16 refers to the flange's pressure rating of 16 bar (approximately 232 psi) at 20°C (68°F).
Applications: Super duplex flanges rated PN16 are suitable for medium-pressure systems in environments like offshore oil rigs, chemical refineries, seawater systems, and other industries that require both high strength and exceptional corrosion resistance.
Conclusion:
DIN 2543 Super Duplex flanges are designed for high-performance applications where both corrosion resistance and strength are essential.
#flanges #din2543
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