Duplex Steel Pipe

Professional cold drawing 2304 duplex steel pipes with ASTM A789 compliance. Available in sizes from 5.8-1219mm OD and 1.0-50.8mm wall thickness. Features corrosion resistance, high-temperature performance, and multiple surface finishes. ISO9001:2000 certified manufacturing with 200,000 tons annual capacity and custom design options.

Professional duplex and super duplex stainless steel pipes with 1mm-1220mm outside diameter and 0.2mm-1220mm thickness range. Certified to ISO, ASTM, and DIN standards with 10-14% nickel content. Ideal for petroleum, chemical, pharmaceutical, and aerospace applications with comprehensive quality assurance and customization options.

High-quality duplex seamless stainless steel pipes with 10-273.5mm OD range and 0.8-8.0mm thickness. Certified with ISO 9001-2008, CE, and PED standards. Ideal for pipeline transport, boiler applications, and industrial use in petroleum, chemical, and pharmaceutical sectors. Custom sizes and materials available with 20-30 day delivery.

Professional manufacturer of ASTM312 stainless steel pipes with diameters from 8mm to 1200mm and thickness from 0.3mm to 60mm. Available in 321, 310S, 316, 304, 304L, 301, and 201 grades with multiple surface finishes. Custom processing services and third-party quality certifications available. Annual production capacity of 20,000 tons with comprehensive manufacturing facilities.

Premium annealed and pickled duplex stainless steel seamless tubes and pipes available in grades S31803, S32205, S32750. Features 1-30mm wall thickness, 6-406mm OD, and cold drawn processing. Certified to ASTM A789/A790 standards with ISO, AISI, DIN, JIS approvals. Ideal for petroleum, chemical, pharmaceutical, and aerospace applications with custom options available.

Professional-grade duplex stainless steel pipes in 5-7 meter lengths with diameters from 1mm to 1220mm. Features exceptional corrosion resistance, multiple surface finishes, and compliance with ASTM, AISI, JIS, DIN, and EN standards. Ideal for petroleum, chemical, pharmaceutical, and industrial applications requiring durability and reliability.

Professional manufacturer of round and square stainless steel pipes with thickness range 0.3-1220mm and diameters 1-1220mm. Features duplex grades 1.4462, 1.4461, and 904L with 10-14% nickel content. Certified to ASTM, AISI, JIS, DIN standards with ISO quality assurance. Custom sizes and trial orders available for industrial applications.

Professional manufacturer of duplex stainless steel pipes with OD range 10-2500mm and wall thickness 0.5-50mm. Compliant with ASTM A780/A790 standards, available in S31500/S31803/S32205/S32750/S32760 grades. Features 20,000 ton annual capacity, international certifications, and custom manufacturing options for industrial applications.

High-quality duplex and austenitic stainless steel pipes in grades 304L, 316L, 2205, 2507, and more. Available in seamless and welded types, OD 1-1220mm. ISO certified, customizable, with factory-direct supply and global export.

High-strength duplex stainless steel square pipe in grade 1.4462, S32750, and S32760. Precision dimensions with OD +/-1% and WT +/-12.5% tolerance. HL finish ensures corrosion resistance. Ideal for chemical, marine, and oil & gas applications. Custom sizes and certifications available.

Super Duplex 2507 pipe offers exceptional strength and corrosion resistance with 25% chromium and 4% molybdenum. Ideal for pressure vessels, it resists chloride pitting and stress corrosion cracking. Available in sizes 1mm-1220mm OD with ISO, RoHS, and IBR certifications. Custom options supported.

Premium duplex stainless steel pipes with wall thickness from 1.0-150mm and outside diameter 3.0-2500mm. Available in multiple grades including SAF 2205 and SAF 2507 with various surface treatments. Competitive pricing with 15+ years manufacturing expertise for industrial, medical, and construction applications.

High-performance duplex stainless steel pipes with superior corrosion resistance and mechanical properties. Features include 620MPa tensile strength, 450MPa yield strength, and temperature tolerance within ±10°C. Available in diameters from 3.0-2500mm and wall thicknesses 1.0-150mm. Certified to ASTM A789/A790 standards with 15+ years manufacturing expertise.

Premium ASTM A789/A790 S32750 duplex steel seamless pipes and 2507 round bars with 24-26% chromium content and 800MPa tensile strength. Available in diameters from 3.0-2500mm and wall thickness 1.0-150mm. Ideal for construction, industrial instrumentation, and corrosive environments with heat treatment 1025-1125℃.

High-quality seamless duplex steel pipe in 2304/1.4362/X2CRNIN23-4 material with OD range 5.8-1219mm and wall thickness 1.0-50.8mm. Complies with ASTM A789, ASME, DIN, and JIS standards. Available in multiple surface finishes with 7-10 day lead time for full container loads. Ideal for construction, decoration, and industrial applications requiring corrosion resistance.

High quality hot rolled and cold drawn seamless stainless steel pipe in austenitic and duplex grades. Available in OD 6mm-630mm, wall 0.9mm-50mm. Complies with ASTM A312, A790, and more. Custom sizes, finishes, and third-party inspection supported. Ideal for petroleum, chemical, and industrial applications.

Cold drawn seamless tube for oil and gas. ASTM A312 certified, ISO 9001. Sizes up to 20m length. Custom options available. High corrosion resistance and durability.

High-quality duplex stainless steel pipe in grades 2205, 904L, and 1.4462. Seamless and welded options with OD 6-860mm, wall thickness 0.5-60mm. Certified to ASTM A312/A790. Custom sizes, polished finishes, and competitive factory pricing for industrial applications.

High-strength duplex stainless steel tubes in grades 2205, 2507, and 904L. Available in round, square, and rectangular shapes with OD from 8mm to 219mm and wall thickness 0.3-3.0mm. Custom sizes, polished finishes, and third-party certification (SGS, BV) supported. Ideal for chemical, petroleum, and marine applications.

High quality duplex 2205 stainless steel pipe in seamless and welded options. Size range 139-1600mm, thickness 0.5-60mm. Certified to ASTM A554/A312. Custom lengths, competitive pricing, and fast delivery for B2B industrial applications.