DIN 2543 flanges are designed to meet the DIN (Deutsches Institut für Normung) standard, and duplex flanges refer to flanges made from duplex stainless steel alloys. Duplex stainless steel is a hybrid material, combining both austenitic and ferritic microstructures. This gives duplex steels a unique combination of strength and corrosion resistance that is superior to regular stainless steel. Material: Typically made from Duplex Stainless Steel grades such as 2205 or 2507. 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 Duplex Flanges: Corrosion Resistance: Duplex stainless steel offers superior resistance to corrosion in aggressive environments, such as in chloride, sulfuric acid, and seawater. This makes it ideal for marine, chemical, and industrial environments. Strength: Duplex steels combine the strength of ferritic steel with the corrosion resistance of austenitic steel, offering higher strength than regular stainless steel while maintaining good toughness. Durability: Excellent resistance to pitting and crevice corrosion, ensuring long-term durability in harsh conditions. Weldability: While duplex flanges are weldable, the welding process must be carefully controlled to prevent issues like sensitization or intermetallic phases. Types of Duplex Flanges (DIN 2543): Weld Neck Flanges (WN): These flanges have a tapered neck for welding directly to pipes, providing extra strength and durability in high-pressure applications. Slip-On Flanges (SO): These are easy to install and are placed over the pipe, then welded inside and outside. Blind Flanges (BL): Used to close the end of a pipe or system, preventing fluid flow. Socket Weld Flanges (SW): These flanges have a socket into which the pipe is inserted and then welded, commonly used for small-bore systems. Lap Joint Flanges (LJ): These are paired with a lap joint stub end and allow for easy alignment and disassembly. Common Duplex Stainless Steel Grades for Flanges: Grade 2205: Composition: Contains approximately 22% chromium, 5% nickel, and 3% molybdenum. Properties: Excellent corrosion resistance, especially to pitting and crevice corrosion. High strength and good weldability. Applications: Used in chemical, petrochemical, and marine applications. Grade 2507 (Super Duplex): Composition: Contains 25% chromium, 7% nickel, and 4% molybdenum. Properties: Superior corrosion resistance and strength compared to 2205. Ideal for extremely aggressive environments. Applications: Used in seawater, desalination plants, and high-pressure industrial applications. Pressure Rating (PN16): PN16 refers to the pressure rating of 16 bar (or approximately 232 psi) at 20°C (68°F). Applications: Duplex flanges with a PN16 rating are suitable for medium-pressure systems in industries such as chemical processing, oil & gas, water treatment, and marine environments. Conclusion: DIN 2543 Duplex flanges are a reliable solution for medium-pressure applications (PN16) requiring high strength and exceptional resistance to corrosion.

DIN 2527 SS P.H. (Precipitation Hardening) Blind Flanges are designed for use in high-performance piping systems that require robust sealing solutions. Made from precipitation-hardening stainless steel alloys, these flanges combine high strength, excellent corrosion resistance, and the ability to withstand elevated temperatures. Manufactured to meet the DIN 2527 standard, these flanges ensure dimensional accuracy, high pressure tolerance, and superior mechanical performance, making them ideal for demanding applications in industries such as chemical processing, aerospace, and power generation. Material Composition of Precipitation Hardening Stainless Steel (SS P.H.): Precipitation-hardening stainless steels are a family of alloys known for their ability to achieve high strength through heat treatment. Grade 17-4 PH: Chromium (Cr): 15.0% - 17.5% Nickel (Ni): 3.0% - 5.0% Copper (Cu): 3.0% - 5.0% Iron (Fe): Balance Manganese (Mn): 1.0% max Silicon (Si): 1.0% max Carbon (C): ≤ 0.07% Phosphorus (P): ≤ 0.04% Sulfur (S): ≤ 0.03% Grade 15-5 PH: Chromium (Cr): 14.0% - 15.5% Nickel (Ni): 3.5% - 5.5% Copper (Cu): 2.5% - 4.5% Iron (Fe): Balance Manganese (Mn): 1.0% max Silicon (Si): 1.0% max Carbon (C): ≤ 0.07% Phosphorus (P): ≤ 0.04% Sulfur (S): ≤ 0.03% Key Features of DIN 2527 SS P.H. Blind Flanges: High Strength: Precipitation-hardened stainless steels, such as 17-4 PH and 15-5 PH, are known for their high tensile strength and hardness. Corrosion Resistance: Stainless steel, especially in the precipitation-hardened grades, offers excellent resistance to corrosion, including resistance to pitting, crevice corrosion, and stress corrosion cracking in both aqueous and high-temperature environments High-Temperature Performance: SS P.H. Blind Flanges can withstand high temperatures, making them suitable for use in applications that involve elevated temperatures (up to 600°C or 1100°F), such as chemical reactors, power plants, and aerospace systems. Dimensional Accuracy & Pressure Ratings: These flanges are manufactured to precise DIN 2527 standards to ensure tight seals and correct fitment in piping systems. They are available in multiple pressure classes such as PN6, PN10, and PN16, which denote the maximum pressure the flange can safely withstand. Design Options: Standard Blind Flange (Type A): A solid, circular flange used to seal the end of a pipe or vessel, suitable for general applications. Flat-Faced Blind Flange: Features a flat sealing surface for low-pressure applications, ideal for ensuring a tight seal in systems with low pressure. Raised Face Blind Flange: Has a raised area around the center, providing enhanced sealing for higher-pressure applications. Ring-Type Joint (RTJ) Blind Flange: Designed with a groove for a ring-type joint gasket, used in high-pressure systems such as oil and gas pipelines. Long Weld Neck Blind Flange: Equipped with an extended neck for welding, offering additional strength and support in high-pressure or stressed systems. Nominal Diameter: DIN 2527 SS P.H. Blind Flanges are available in various nominal diameters (DN), ranging from DN10 (1/2 inch) up to DN600 (24 inches) or larger, ensuring compatibility with a wide range of piping systems and applications.

DIN 2527 Titanium Blind Flanges are specialized components used to seal the open ends of pipes, vessels, or other equipment in industrial systems where no further connection is required. Made from Titanium alloys, these flanges offer a combination of high strength, excellent corrosion resistance, and light weight, making them an ideal choice for applications in demanding environments. Manufactured according to the DIN 2527 standard, these flanges ensure high levels of dimensional accuracy, pressure tolerance, and mechanical strength, which are critical for maintaining the integrity of piping systems. Material Composition of Titanium Alloys: Titanium alloys used for DIN 2527 Blind Flanges typically include: Grade 2 Titanium (Commercially Pure Titanium): Titanium (Ti): 99.2% min Iron (Fe): 0.30% max Oxygen (O): 0.25% max Carbon (C): 0.08% max Nitrogen (N): 0.03% max Hydrogen (H): 0.015% max Grade 5 Titanium (Ti-6Al-4V): Titanium (Ti): 90.0% min Aluminum (Al): 6.0% - 7.0% Vanadium (V): 3.5% - 4.5% Iron (Fe): 0.25% max Oxygen (O): 0.20% max Carbon (C): 0.10% max Nitrogen (N): 0.05% max Hydrogen (H): 0.015% max Key Features of DIN 2527 Titanium Blind Flanges: Corrosion Resistance: Titanium is highly resistant to corrosion, especially in chloride, seawater, and acidic environments, making Titanium Blind Flanges ideal for use in marine, chemical, and offshore applications. Titanium alloys offer superior resistance to pitting, crevice corrosion, and stress corrosion cracking, even in extreme environments like high salinity and acidic conditions. High Strength-to-Weight Ratio: Titanium has an excellent strength-to-weight ratio, making it significantly stronger than many steel alloys while being much lighter. This is particularly beneficial in industries where weight reduction is essential, such as aerospace and marine industries. Temperature Resistance: Titanium alloys can withstand high temperatures, with Grade 2 Titanium performing well at up to 400°C (752°F) and Grade 5 Titanium being suitable for continuous service at up to 400°C (752°F) as well, with intermittent exposure to even higher temperatures. Dimensional Accuracy and Pressure Class: DIN 2527 Titanium Blind Flanges are manufactured to precise dimensions, ensuring a secure seal within the piping system. Available in different pressure classes such as PN6, PN10, PN16, etc., ensuring compatibility with a wide range of piping systems. Design Options: Standard Blind Flange (Type A): A solid, circular disc used to seal the end of a pipe or vessel. Commonly used in general applications. Flat-Faced Blind Flange: Features a flat sealing surface, ideal for low-pressure systems. Raised Face Blind Flange: Includes a raised area around the center for improved sealing in higher pressure systems. Ring-Type Joint (RTJ) Blind Flange: Designed with a groove to accommodate a ring-type joint gasket, used for high-pressure applications, particularly in the oil and gas industry. Long Weld Neck Blind Flange: Features an extended neck for welding, providing additional strength and stability, commonly used in high-pressure or high-stress systems. Nominal Diameter: DIN 2527 Titanium Blind Flanges are available in a variety of nominal diameters (DN), typically ranging from DN10 (1/2 inch) up to DN600 (24 inches) or more, based on the application needs.

When considering Duplex Stainless Steel for DIN 2527 Blind Flanges, the material offers unique advantages over traditional stainless steels, combining the benefits of both austenitic and ferritic microstructures. Duplex Stainless Steel typically contains a higher percentage of chromium, molybdenum, and nitrogen, which significantly enhances its properties, especially for highly demanding and corrosive environments. Material: Duplex Stainless Steel Superior Corrosion Resistance: Duplex stainless steels (e.g., 2205 or 2507) offer outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, which makes them highly suitable for industries exposed to aggressive environments, such as offshore oil and gas, chemical processing, and marine industries. Strength: Duplex stainless steels have higher tensile strength than standard austenitic steels (such as 304 or 316), allowing the flange to perform under higher mechanical stress and pressure. The material is typically twice as strong as conventional 304 and 316 stainless steels. Temperature Resistance: Duplex materials offer good performance in high-temperature environments, although not as high as some alloys specifically designed for extreme heat (e.g., Inconel). They perform well in moderate to high-temperature applications. Resistance to Chloride Stress Corrosion Cracking (SCC): Duplex steels are particularly resistant to chloride-induced stress corrosion cracking, which is one of the key benefits in applications exposed to chloride-rich environments, such as seawater. Common types of duplex stainless steel blind flanges include: 1.4462 (F51): Standard duplex steel, offering good corrosion resistance and strength, used in chemical, oil & gas, and marine industries. 1.4410 (F53): Super duplex steel, with higher strength and better corrosion resistance, used in offshore and high-pressure applications. 1.4539 (Alloy 20): Highly resistant to acid and chloride environments, used in chemical processing and power generation. Design and Dimensions Shape: Blind flanges in DIN 2527, regardless of the material (Stainless Steel 316 or Duplex), are flat, round plates without a central hole, used to close off the ends of pipes or pressure vessels. Bolt Holes: Like other blind flanges, duplex flanges come with bolt holes for bolting the flange to a mating flanged component. The bolt holes' number and size depend on the flange's diameter and the pressure class. Thickness: The thickness varies according to the pressure rating (e.g., PN 6, PN 10, PN 16, PN 25). Thicker flanges are designed for higher-pressure applications to maintain a secure and tight seal. Pressure Rating: Duplex stainless steel blind flanges are often used in high-pressure environments due to their strength. The specific pressure ratings depend on the material grade (e.g., Duplex 2205, Super Duplex 2507), but they generally exhibit higher pressure resistance than austenitic stainless steels like 316. Types of Blind Flanges in DIN 2527 (Duplex) Raised Face (RF): A raised face provides a contact area for the gasket, enhancing the sealing performance when paired with a gasket. Flat Face (FF): The face of the flange is level with the surface, which is suitable for softer gaskets that offer a tight seal without excessive pressure. Ring Type Joint (RTJ): For high-pressure applications, Duplex stainless steel blind flanges can feature a groove for a metallic gasket. This design ensures a tight seal under extreme conditions, often used in offshore and chemical plant environments. Benefits of Duplex Stainless Steel Blind Flanges Cost-Efficiency: While Duplex steels can be more expensive than austenitic grades, they offer a better cost-to-performance ratio due to their enhanced durability and strength, leading to longer service life and reduced maintenance costs. Improved Mechanical Properties: Duplex steels' unique composition offers a blend of high tensile strength and excellent corrosion resistance, making them perfect for demanding environments where other materials might not perform as well.

A Molybdenum Block is a solid, rectangular or square piece of molybdenum metal, widely used in industrial and commercial applications that require exceptional heat resistance, strength, and durability. Molybdenum is a refractory metal known for its high melting point, corrosion resistance, and mechanical properties, making molybdenum blocks an ideal choice for use in extreme environments. Key Features of Molybdenum Blocks: o High Melting Point: Molybdenum has an exceptionally high melting point of around 2,623°C (4,753°F), allowing molybdenum blocks to perform effectively in high-temperature applications, such as furnace components, aerospace, and other industries where elevated temperatures are a concern. o Excellent Mechanical Strength: Molybdenum blocks possess excellent tensile strength, ensuring they maintain their shape and structural integrity even under heavy loads and mechanical stress. This makes them suitable for demanding environments where other materials may fail. o Corrosion and Oxidation Resistance: Molybdenum is highly resistant to oxidation and corrosion, even at elevated temperatures, which makes molybdenum blocks ideal for applications in chemically aggressive environments like chemical processing, heat exchangers, and reactors. o Thermal and Electrical Conductivity: Molybdenum has good thermal and electrical conductivity, which is particularly valuable in applications requiring efficient heat transfer or electrical performance, such as in electronics, electrical contacts, and semiconductors. o Workability: Although molybdenum is a relatively hard metal at room temperature, it can be machined and fabricated into precise shapes and sizes, including blocks, to meet specific requirements for industrial applications. Molybdenum blocks can be easily cut, milled, or ground to create custom shapes and finishes. o Ductility at High Temperatures: At elevated temperatures, molybdenum becomes more ductile, allowing it to be easily processed into complex shapes and designs when necessary. Common Applications: o Aerospace and Aviation: Molybdenum blocks are used in the manufacturing of aerospace components such as heat shields, turbine blades, and rocket nozzles due to their ability to withstand extreme heat and mechanical stress. o Chemical Processing: Molybdenum blocks are used in reactors, heat exchangers, and other equipment in the chemical and petrochemical industries. Their resistance to corrosion and high-temperature stability makes them suitable for handling aggressive chemicals and high-pressure conditions. o Electronics and Electrical Engineering: Molybdenum blocks are employed in electronics, such as in the production of filaments, cathodes, and components for vacuum tubes. Their thermal and electrical conductivity makes them ideal for these applications. o Metallurgy: Molybdenum blocks are commonly used in the manufacturing of specialty steel alloys, improving the strength and heat resistance of steel products. They are also used in producing molds, dies, and other metalworking tools. o Energy Sector: Molybdenum blocks are used in the energy industry, particularly in nuclear reactors, where their resistance to radiation and high temperatures is critical.

Half Round Tube Shield Ladhani Metal Corporation manufactures high-quality Half Round Tube Shields designed to protect boiler and heat exchanger tubes from erosion, scaling, and thermal fatigue. These shields are especially suited for systems where tubes are exposed to turbulent gas flow, particulate-laden environments, and fluctuating thermal cycles. The semi-cylindrical shape of the shield allows easy installation and reliable surface protection, extending the operational life of the tubes. 1Cr13 Half Round Tube Shield for LTSH Tube The 1Cr13 Half Round Tube Shield is fabricated from martensitic stainless steel containing approximately 13% chromium. Known for its good corrosion resistance, moderate heat resistance, and excellent wear strength, 1Cr13 is suitable for medium-temperature applications, especially in mildly corrosive or oxidizing environments. This makes it an ideal material for shielding LTSH (Low Temperature Superheater) tubes from flue gas erosion and ash abrasion. The Low Temperature Superheater (LTSH) is a section in a boiler where saturated steam from the steam drum is superheated to a moderately higher temperature before entering the high-temperature superheater stages. Positioned in areas with relatively lower flue gas temperatures, the LTSH helps improve thermal efficiency and reduces moisture content in steam. Due to constant exposure to abrasive flue gases and ash, LTSH tubes are prone to wear and require protective shielding, such as half round tube shields, to extend service life. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of 1Cr13 Half Round Tube Shields, delivering durable and cost-effective solutions for various thermal power and heat exchanger applications. Chemical Composition of 1Cr13 – Martensitic Stainless Steel • Carbon (C): 0.15 – 0.20% • Manganese (Mn): ≤ 1.00% • Phosphorus (P): ≤ 0.040% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 12.0 – 14.0% • Iron (Fe): Balance Applications: Suitable for moderately corrosive and abrasive environments, especially in boiler systems, where mechanical strength and oxidation resistance are required at elevated but controlled temperatures. Uses • Protection of LTSH tubes in thermal power plant boilers • Surface shielding in steam generators and utility boilers • Coverage of superheater coils in flue gas-exposed zones • Suitable for coal-fired and biomass-fired boiler applications • Used in refinery and petrochemical boilers with moderate gas exposure Features • Good corrosion and oxidation resistance – Provides reliable performance in mildly corrosive environments • Wear and erosion resistance – Withstands mechanical wear from ash and soot-laden gas streams • Precise custom fitting – Fabricated to match specific tube diameters and bend radii • Enhanced tube protection – Minimizes wear on LTSH tubes, increasing overall system lifespan • Easy installation – Supports clamp-on, weld-on, and banding installation options • Wide availability – Offered in various lengths, thicknesses, and profiles Applications • power generation – Used in LTSH zones to protect from flue gas erosion and slagging • WHRBs – Shields exposed surfaces of tube bends in waste heat recovery systems • chemical and fertilizer plants – Applied in steam systems requiring moderate temperature durability • cement industry – Suitable for boilers dealing with particulate exhaust gas environments • industrial utility boilers – Enhances tube life in fluctuating thermal load zones Conclusion The 1Cr13 Half Round Tube Shield for LTSH Tube by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a dependable solution for protecting tube surfaces in moderately corrosive, abrasive, and thermally active environments. Its martensitic stainless composition and mechanical durability make it ideal for power plants and process boilers requiring extended service life with lower maintenance needs. For customized dimensions, technical support, or quotation, contact Ladhani Metal Corporation.

Half Round Tube Shield Ladhani Metal Corporation manufactures precision-engineered Half Round Tube Shields to protect boiler and heat exchanger tubes from corrosion, erosion, and surface degradation. Designed for durability in aggressive environments, these shields are especially suited for thermal equipment where tubes are subjected to high flow velocities, abrasive particles, and flue gas turbulence. Their half-round shape allows easy installation while offering long-term protection and reduced maintenance. 1Cr20Ni14Si2 Half Round Tube Shield for LTSH Tube The 1Cr20Ni14Si2 Half Round Tube Shield is manufactured from a high-temperature-resistant chromium-nickel-silicon alloy. With approximately 20% chromium, 14% nickel, and added silicon, this material offers outstanding oxidation resistance, excellent strength at elevated temperatures, and superior resistance to high-temperature corrosion. It is an ideal choice for shielding Low Temperature Superheater (LTSH) tubes, which are frequently exposed to flue gases carrying ash and particulate matter that can cause rapid wear. The Low Temperature Superheater (LTSH) is a section in a boiler where saturated steam from the steam drum is superheated to a moderately higher temperature before entering the high-temperature superheater stages. Positioned in areas with relatively lower flue gas temperatures, the LTSH helps improve thermal efficiency and reduces moisture content in steam. Due to constant exposure to abrasive flue gases and ash, LTSH tubes are prone to wear and require protective shielding, such as half round tube shields, to extend service life. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of 1Cr20Ni14Si2 Half Round Tube Shields, providing high-performance shielding solutions for challenging industrial heat transfer applications. Chemical Composition of 1Cr20Ni14Si2 – Heat-Resistant Alloy Steel • Carbon (C): ≤ 0.15% • Manganese (Mn): ≤ 1.50% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): 1.00 – 2.50% • Chromium (Cr): 19.0 – 22.0% • Nickel (Ni): 13.0 – 15.0% • Iron (Fe): Balance Applications: Best suited for components exposed to oxidizing environments, fluctuating temperatures, and particulate flow where metal surface protection is critical. Uses • Protection of LTSH tubes in thermal power plant boilers • Coverage of heat exchanger tubes in waste heat recovery boilers • Shielding superheater coils from ash erosion and thermal stress • Ideal for utility boilers, steam generators, and flue gas-exposed piping • Applied in industrial boilers within cement, pulp & paper, and refining sectors Features • High-temperature resistance – Performs well in continuous service at elevated temperatures • Oxidation protection – Excellent resistance to flue gas scaling and surface degradation • Precise fitment – Custom curved for exact tube geometry for secure and uniform coverage • Enhanced durability – Reduces erosion, thermal fatigue, and mechanical damage • Versatile installation – Compatible with clamp-on, weld-on, or banding attachment methods • Custom dimensions – Available in multiple sizes and thicknesses per system requirement Applications • thermal power stations – Protects superheater coils and economizer tube bends from low-temperature gas wear • WHRBs – Shields curved tubes in exhaust heat recovery systems • chemical and petrochemical plants – Ensures protection for process steam lines exposed to flue gases • HRSGs – Increases the durability of LTSH coil tubes in combined-cycle systems • boiler and furnace systems – Ideal for superheater areas prone to wear from ash and soot deposition Conclusion The 1Cr20Ni14Si2 Half Round Tube Shield for LTSH Tube by Ladhani Metal Corporation – manufacturer, supplier, and exporter – offers excellent resistance to oxidation, scaling, and thermal damage in low-temperature superheater zones. Its heat-resistant composition and long service life make it a dependable choice for demanding boiler and heat exchanger applications across multiple industries. For custom requirements or technical inquiries, contact Ladhani Metal Corporation.

Half Round Tube Shield Ladhani Metal Corporation manufactures high-quality Half Round Tube Shields designed to protect boiler tubes from erosion, corrosion, and mechanical wear in heat transfer systems. These shields are precisely engineered to fit the curvature of boiler tubes, especially in areas exposed to flue gas turbulence and ash impact. The half-round design allows for easy installation and ensures consistent protection throughout the tube's operating life. Cr23Ni13 Half Round Tube Shield for LTSH Tube The Cr23Ni13 Half Round Tube Shield is fabricated using a high-temperature-resistant chromium-nickel alloy containing approximately 23% chromium and 13% nickel. This composition provides excellent resistance to oxidation, thermal shock, and high-temperature corrosion. It is particularly suited for shielding LTSH (Low Temperature Superheater) tubes that operate in areas where flue gases carry abrasive particles, resulting in gradual material degradation over time. The Low Temperature Superheater (LTSH) is a section in a boiler where saturated steam from the steam drum is superheated to a moderately higher temperature before entering the high-temperature superheater stages. Positioned in areas with relatively lower flue gas temperatures, the LTSH helps improve thermal efficiency and reduces moisture content in steam. Due to constant exposure to abrasive flue gases and ash, LTSH tubes are prone to wear and require protective shielding, such as half round tube shields, to extend service life. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of Cr23Ni13 Half Round Tube Shields, delivering robust and thermally stable components for boiler protection applications in demanding industrial conditions. Chemical Composition of Cr23Ni13 – High Chromium-Nickel Heat-Resistant Steel • Carbon (C): ≤ 0.10% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): ≤ 1.00% • Chromium (Cr): 22.0 – 24.0% • Nickel (Ni): 12.0 – 14.0% • Iron (Fe): Balance Applications: Ideal for high-temperature zones in boilers and furnaces where oxidation, scaling, and ash corrosion pose operational challenges. Uses • Protects LTSH tubes in coal-fired and biomass-fired boilers • Shields heat exchanger tubes in waste heat recovery units • Provides erosion and oxidation resistance in process heaters and reformers • Installed in utility and industrial boilers to prevent wear from low-temperature flue gases • Suitable for use in marine, chemical, and refining industries where steam purity and thermal efficiency are critical Features • High-temperature resistance – Excellent durability under thermal cycling conditions • Corrosion protection – Chromium-rich alloy protects against oxidizing flue gases • Precision fabrication – Custom-fit designs ensure secure coverage of exposed tube surfaces • Enhanced tube longevity – Reduces surface wear, scaling, and thermal fatigue • Multiple installation methods – Supports weld-on, clamp-on, or banding attachment options • Customizable dimensions – Lengths, thicknesses, and radii can be tailored for system compatibility Applications • thermal power stations – Extends the life of LTSH coil sections in superheaters and economizers • WHRBs – Provides protective coverage for tubes exposed to particulate-laden exhaust gases • process industries – Ideal for exchangers and preheaters in refineries and petrochemical plants • HRSGs – Shields low-temperature superheater zones in combined-cycle power systems • cement and paper plants – Protects heat transfer surfaces from soot and particulate erosion Conclusion The Cr23Ni13 Half Round Tube Shield for LTSH Tube by Ladhani Metal Corporation – manufacturer, supplier, and exporter – offers a reliable and thermally robust solution for protecting superheater and heat exchanger tubes in abrasive and corrosive environments. Its high chromium-nickel composition ensures long-lasting performance in boiler systems where operational efficiency and tube integrity are critical. For orders, technical specifications, or consultation, contact Ladhani Metal Corporation.

Half Round Tube Shield Half Round Tube Shields from Ladhani Metal Corporation are durable, precisely fabricated components used to protect boiler tubes from erosion, scaling, and corrosion caused by flue gas flow and particulate impact. Their half-round, semi-cylindrical structure is designed to conform closely to tube surfaces, especially in areas subjected to repeated thermal cycling or mechanical wear. These shields are extensively applied in boilers, heat exchangers, and waste heat recovery systems. 1Cr25Ni20Si2 Half Round Tube Shield for LTSH Tube The 1Cr25Ni20Si2 Half Round Tube Shield is manufactured from a high-performance chromium-nickel-silicon alloy designed for elevated-temperature service. With approximately 25% chromium, 20% nickel, and added silicon content, this alloy exhibits superior resistance to oxidation, thermal fatigue, and carburization. Its mechanical stability under high-temperature operation makes it a preferred material for protective applications in Low Temperature Superheater (LTSH) zones. The Low Temperature Superheater (LTSH) is a section in a boiler where saturated steam from the steam drum is superheated to a moderately higher temperature before entering the high-temperature superheater stages. Positioned in areas with relatively lower flue gas temperatures, the LTSH helps improve thermal efficiency and reduces moisture content in steam. Due to constant exposure to abrasive flue gases and ash, LTSH tubes are prone to wear and require protective shielding, such as half round tube shields, to extend service life. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of 1Cr25Ni20Si2 Half Round Tube Shields, offering high-performance shielding solutions tailored for harsh, heat-intensive industrial environments. Chemical Composition of 1Cr25Ni20Si2 – Chromium-Nickel-Silicon Heat-Resistant Steel • Carbon (C): ≤ 0.10% • Manganese (Mn): ≤ 2.00% • Phosphorus (P): ≤ 0.035% • Sulfur (S): ≤ 0.030% • Silicon (Si): 1.5 – 2.5% • Chromium (Cr): 24.0 – 27.0% • Nickel (Ni): 19.0 – 22.0% • Iron (Fe): Balance Applications: Suitable for high-temperature steam systems, where resistance to flue gas corrosion, thermal oxidation, and mechanical fatigue is essential. Uses • Protects LTSH tubes in thermal power plants from scaling and soot-induced wear • Shields heat exchanger tubes from low-temperature corrosive gases and ash deposition • Used in boilers and HRSGs exposed to fluctuating temperature and combustion by-products • Suitable for high-wear areas in biomass boilers and incineration systems • Enhances operational life of reheater and superheater coil sections Features • High thermal stability – Withstands temperature fluctuations without structural deformation • Excellent oxidation and carburization resistance – Ideal for extended high-temperature exposure • Custom fit – Designed according to specific tube radii and coil geometries for accurate alignment • Reduced maintenance – Shields tubes from damage, minimizing downtime and repair costs • Versatile installation – Compatible with weld-on, clamp-on, and banding installation techniques • Long service life – Resistant to scaling and degradation in heat-intensive environments Applications • power generation boilers – Provides long-term protection for LTSH coils in flue gas zones • WHRBs and HRSGs – Used in low-temperature convection sections to counteract erosive gas flow • chemical and refining industries – Prevents corrosion in heat exchangers handling acidic media • marine steam systems – Protects low-temperature sections exposed to salt-laden air and gases • waste-to-energy plants – Shields boiler tubing from high-volume particulate streams Conclusion The 1Cr25Ni20Si2 Half Round Tube Shield for LTSH Tube by Ladhani Metal Corporation – manufacturer, supplier, and exporter – is a high-performance component designed for superior protection of boiler tubes in corrosive and thermally aggressive environments. It ensures durability, thermal resistance, and long-term reliability in LTSH and similar service applications. For specifications, custom fabrication, or bulk orders, contact Ladhani Metal Corporation.