All our stainless steel pipes/tubes are made from high-purity raw materials with precise chemical composition control to ensure stable performance in compliance with ASTM standards.

• 304 Stainless Steel: Cr: 18.00-20.00%, Ni: 8.00-12.00%, C: ≤0.08% - Universal austenitic stainless steel with excellent comprehensive performance
• 316 Stainless Steel: Cr: 16.00-18.00%, Ni: 10.00-14.00%, Mo: 2.00-3.00% - Enhanced chloride ion corrosion resistance
• 316L Stainless Steel: C: ≤0.03% - Improved intergranular corrosion resistance, suitable for welding applications
• 310S Stainless Steel: Cr: 24.00-26.00%, Ni: 19.00-22.00% - High-temperature resistant austenitic stainless steel
• 321 Stainless Steel: Cr: 17.00-19.00%, Ni: 9.00-12.00%, Ti: 5×C~0.70% - Titanium-stabilized for intergranular corrosion prevention
• 904L Stainless Steel: Cr: 21.00-23.00%, Ni: 24.00-26.00%, Mo: 4.00-5.00%, Cu: 1.00-2.00% - Super austenitic stainless steel with exceptional corrosion resistance

All products undergo strict mechanical property testing to ensure stable and reliable performance in various environments.

• Tensile Strength (σb): 304/304L/316/316L/310S/321: ≥515MPa; 904L: ≥490MPa
• Yield Strength (σ0.2): 304/316/310S/321: ≥205MPa; 304L/316L: ≥170MPa; 904L: ≥240MPa
• Elongation (δ5): 304/304L/316/316L/310S/321: ≥40%; 904L: ≥45%
• Hardness: Brinell Hardness (HB): ≤201-220; Rockwell Hardness (HRB): ≤92
• Impact Toughness (Akv): ≥60J at room temperature; ≥40J at -196℃ for low-temperature grades

Advanced production processes including seamless pipe (hot rolling, cold rolling, cold drawing) and welded pipe (electric fusion welding, TIG welding, MIG welding) with strict dimensional accuracy control.

• 2B Surface: Smooth and flat with uniform luster (Ra≤0.8μm)
• BA Surface: Mirror-bright finish (Ra≤0.2μm)
• Polished Surface: 400#~1200# brightness options
• Pickled Surface: Uniform passive film for enhanced corrosion resistance
• Sandblasted Surface: Matte finish for optimal paint adhesion

• 304: Excellent resistance to atmospheric, fresh water, steam and weak acid corrosion
• 316/316L: Superior chloride ion, seawater, and salt spray corrosion resistance
• 310S: Exceptional high-temperature oxidation and corrosion resistance
• 321: Good intergranular and high-temperature corrosion resistance
• 904L: Super corrosion resistance against strong corrosive media

• Low-Temperature: 304L/316L/904L maintain stability at -196℃
• High-Temperature: 304/316: ≤800℃; 316L: ≤850℃; 321: ≤900℃; 310S: ≤1200℃

We provide comprehensive specifications and custom solutions according to customer requirements, compliant with ASTM standards.

• Pipe Types: Seamless (hot-rolled, cold-rolled, cold-drawn) and Welded (electric fusion, TIG, MIG)
• Outer Diameter: 6mm-630mm (seamless); 10mm-2000mm (welded)
• Wall Thickness: 0.5mm-50mm with ASTM SCH series specifications
• Length: Standard 6m, 12m or custom 1m-12m
• Cross-Section Shapes: Round, square, rectangular, oval, hexagonal
• Pressure Rating: 0.6MPa to 100MPa with hydrostatic testing

All products strictly adhere to ASTM standards including A312, A358/A358M-24, A213, and A480, with comprehensive testing and certification.

• Chemical Industry: Corrosive media transportation, reaction vessels
• Petrochemical Industry: Oil and gas transportation, refinery equipment
• Food & Beverage: Processing equipment, transportation pipelines
• Medical Industry: Medical equipment, sterile pipelines
• High-Temperature Industry: Boiler superheaters, furnace applications
• Marine Engineering: Offshore platforms, seawater desalination
• Construction: Building handrails, decorative pipelines
• Cryogenic Industry: Low-temperature storage, liquid nitrogen transport

Direct manufacturer pricing eliminates middlemen, saving 15-30% on procurement costs with large inventory for urgent orders.

All products include quality assurance certificates, test reports, and comprehensive documentation with replacement guarantees for non-human damage.

Full customization available for material grades, specifications, surface treatments, and pipe end forms with professional technical guidance.

Professional support team providing technical consultation, installation guidance, and maintenance with 24-hour response times.