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LADHANI METAL CORPORATION
Being a practiced company, we are offering the paramount quality assortment of Duplex Coils. The offered duplex coil is precisely manufactured using premium quality material and sophisticated technology in sync with the norms of industry. This duplex coil is demanded in several industries like electrical, engineering and automobile for designing with machines & devices. Moreover, our offered duplex coil is checked on various parameters in order to deliver defect free range. Features: Long life Minimum maintenance Easy maintenance Standards: ASTM / ASME SA 790 Grades: UNS NO. S 31803, S 32205, S 32550, S 32750, S 32760 Range: 0.5 mm To 200 mm thick in 1000 mm TO 2500 mm width & 2500 mm to 12500 mm Length available with NACE MR 01-75 Types: Sheet, Plates, Coils, Flat, Strips, Profile, Blank , Circle, Ring etc. Form: Foils, Shim Sheet, Rolls, Perforated Sheet, Chequered Plate.
LADHANI METAL CORPORATION
Super Duplex Coil india, Being a practiced company, we are offering the paramount quality assortment of Super Duplex Coils. The offered Super Duplex coil is precisely manufactured using premium quality material and sophisticated technology in sync with the norms of industry. This Super Duplex coil is demanded in several industries like electrical, engineering and automobile for designing with machines & devices. Moreover, our offered Super Duplex coil is checked on various parameters in order to deliver defect free range. Features: Long life Minimum maintenance Easy maintenance Standards: ASTM / ASME SA 790 Grades: UNS NO. S 31803, S 32205, S 32550, S 32750, S 32760 Range: 0.5 mm To 200 mm thick in 1000 mm TO 2500 mm width & 2500 mm to 12500 mm Length available with NACE MR 01-75 Types: Sheet, Plates, Coils, Flat, Strips, Profile, Blank , Circle, Ring etc. Form: Foils, Shim Sheet, Rolls, Perforated Sheet, Chequered Plate,
Ladhani Metal Corporation, a manufacturer, supplier, and exporter, offers stainless steel sheets, plates, and coils in grade X04Cr18Ni10Nb as per IS 6911 specifications. X04Cr18Ni10Nb is a niobium-stabilized austenitic stainless steel designed to provide superior resistance to intergranular corrosion after welding and exposure to high temperatures. The addition of niobium stabilizes the steel against carbide precipitation, ensuring long-term durability in aggressive environments.
Chemical Composition of X04Cr18Ni10Nb (as per IS 6911)
• Carbon (C): 0.04% max
• Manganese (Mn): 2.0% max
• Silicon (Si): 1.0% max
• Phosphorus (P): 0.045% max
• Sulphur (S): 0.030% max
• Chromium (Cr): 17.0% – 19.0%
• Nickel (Ni): 9.0% – 12.0%
• Niobium (Nb): ≥ 10 × C% and ≤ 1.0%
Functions and Characteristics
• Niobium stabilization prevents sensitization and intergranular corrosion
• Excellent resistance to oxidation and scaling in high-temperature environments
• Good mechanical strength and toughness across a wide temperature range
• Superior weldability without risk of post-weld carbide precipitation
• High corrosion resistance in oxidizing and reducing atmospheres
• Non-magnetic in annealed condition, slightly magnetic after cold working
Applications
• Power Generation – Superheaters, heat exchangers, and boiler tubes
• Oil and Gas – Welded pipelines, offshore platforms, and refinery equipment
• Petrochemical Industry – Process units, reformers, and cracking systems
• Fertilizer Plants – Storage tanks, pressure vessels, and corrosive pipelines
• Chemical Industry – Process equipment, evaporators, and reactors
• Marine Engineering – Pumps, exhaust systems, and seawater-handling equipment
• Automotive Industry – Exhaust manifolds, catalytic converter parts, and clamps
• Food Processing – Hygienic tanks, processing equipment, and storage systems
• Construction – Structural frameworks, roofing, and cladding materials
• General Engineering – Valves, fasteners, and machinery operating at high temperatures
Available Forms
• Stainless steel sheets
• Stainless steel plates
• Stainless steel coils
Grades Available under IS 6911
Apart from X04Cr18Ni10Nb, IS 6911 also covers a wide range of stainless steel grades, including X04Cr12, X07Cr17, X12Cr12, X20Cr13, X30Cr13, X40Cr13, X15Cr16Ni2, X108Cr17Mo, X10Cr17Mn6Ni4N2O, X07Cr11Mn12Ni4, X10Cr18Mn9Ni5, X30Cr17Ni7, X07Cr18Ni9, X04Cr19Ni9, X02Cr19Ni10, X15Cr24Ni13, X20Cr25Ni20, X04Cr17Ni12Mo2, X02Cr17Ni12Mo2, X04Cr17Ni12Mo2Ti, X04Cr18Ni10Ti and other specified grades.
Conclusion
IS 6911 SS X04Cr18Ni10Nb sheets, plates, and coils offered by Ladhani Metal Corporation, a manufacturer, supplier, and exporter, are ideal for high-temperature and welded applications requiring superior resistance to intergranular corrosion and mechanical stability. With multiple IS 6911 grades available, we provide stainless steel solutions tailored to meet both domestic and international industry standards.
For inquiries or project requirements, contact Ladhani Metal Corporation.
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