Seamless Stainless Steel Tubing

High-performance 316LN austenitic seamless stainless steel tubing in 2.5-5 inch diameters with excellent intergranular corrosion resistance. Manufactured to ASTM A312, A213, A269 standards with comprehensive testing and BV, PED, ISO9001 certifications. Available in standard lengths of 6000mm and 12000mm for industrial applications.

Premium ASTM seamless stainless steel tubing in grades 304 and 316, featuring 10-600mm outer diameter and 0.3-100mm wall thickness. Certified to ASTM A312/A269/A213 standards with high-pressure capabilities, corrosion resistance, and multiple surface finishes for industrial applications in petrochemical, pharmaceutical, and power generation sectors.

TP304L/S30403/1.4307 seamless stainless steel tubing manufactured to ASTM A312, A269, and A213 standards. Available in sizes from 0.23" to 48" OD with wall thickness 0.04" to 2". Features corrosion resistance, multiple surface finishes, and global certifications. ISO certified with 20+ years manufacturing experience and extensive inventory for prompt delivery.

Premium 316L austenitic seamless stainless steel tubing available in 1.5", 2", 2.5", and 3" sizes with 6000mm standard length. Features superior corrosion resistance for marine and industrial applications, certified to ISO9001, BV, and PED standards. Ideal for heat exchangers, processing equipment, and coastal installations.

High-quality 317LN austenitic seamless stainless steel tubing in 4-7 inch sizes, manufactured to ASTM and EN standards. Features excellent corrosion resistance with 3.0-4.0% molybdenum content, available in various wall thicknesses. Certified with BV, PED, and ISO9001 for aerospace, oil & gas, and chemical processing applications.

High-quality 316 austenitic seamless stainless steel tubing available in 1-2 inch sizes with maximum 12000mm length. Features excellent oxidation resistance, multiple international certifications (BV, PED, ISO9001), and comprehensive quality testing. Ideal for heat exchangers, industrial piping, and coastal applications with strict ASTM, European, and Japanese standard compliance.

Cold drawn AISI 310S seamless heat resistant stainless steel tubing with 25-28% chromium and 19-22% nickel content. Available in round (6-760mm OD), square, and rectangular shapes with wall thickness from 0.5-80mm. Certified to ASTM, ASME, and international standards for boilers, heat exchangers, power plants, and petrochemical applications. Custom sizes and finishes available.

High-quality stainless steel seamless tubing and ERW welded tubes available in multiple grades including 200, 300, 400, 600 series, duplex, and specialty alloys. Features corrosion resistance with chromium content up to 26%, bright annealed heat treatment, and compliance with ASTM A213 standards. Ideal for heat exchangers, industrial furnaces, and chemical processing applications.

High-quality ASTM A269 316L stainless steel seamless tubing with bright annealed finish. Available in diameters from 4.76mm to 14mm with various wall thicknesses. Features excellent corrosion resistance, mechanical properties, and meets multiple industry standards. Ideal for chemical, oil & gas, medical, and food processing applications with competitive pricing and reliable performance.

High-temperature resistant 310S stainless steel seamless tubes in 15mm diameter with 10/12 inch specifications. Manufactured to ASTM A312 standards with comprehensive certifications including PED, ISO, SGS, TUV, and ABS. Features 24-26% chromium and 19-22% nickel composition for superior corrosion resistance in chemical, petroleum, and industrial applications.

Zheheng Steel offers thick and thin wall seamless stainless steel tubing in sizes 1.5 inch, 10mm to 18mm. Made from grades 304, 316L, and duplex. Cold drawn/rolled, polished finish. Ideal for boilers, pressure vessels, and chemical equipment. Mill test certificate and free samples available.

High-quality cold drawn seamless stainless steel tube in grades 304, 316, 316L. OD 6-1000mm, wall 1.0-6.0mm. Meets ASTM A249, A269, A312. Custom shapes and sizes available. Competitive pricing and fast delivery.

Cold drawn 316H stainless steel square tubing for exhaust systems. Seamless construction ensures durability and leak resistance. High temperature tolerance and corrosion resistance. Custom sizes available. Certified quality with QC inspection. Ideal for automotive, marine, and industrial exhaust applications.

Cold-drawn stainless steel seamless tubing with precise dimensional tolerances (OD ±0.2mm, thickness ±0.02mm). Available in multiple grades including 304, 316, 316L with various surface finishes. Certified to ASTM standards for petroleum, chemical, pharmaceutical, and architectural applications. Bright annealed with comprehensive quality testing.

2507 duplex seamless tubing offers exceptional pitting and stress corrosion resistance. High strength, 6-630mm OD. Certified to ASTM/ASME SA789/790M with PED, ISO, TUV. Custom cutting and surface treatment available.

High-strength duplex stainless steel seamless tubing in S32205/2205/1.4462. Cold drawn, annealed & pickled. ASTM A789/A790 certified. Resists corrosion in chemical, marine, and oil refinery applications. Custom sizes and processing available.

Premium small diameter seamless stainless steel tubing with bright annealed finish for food grade applications. Available in 1-250mm outer diameter and wall thickness 0.01-20mm. Features excellent corrosion resistance, meets ASTM standards, and suitable for food, medical, chemical, and industrial applications. Custom sizes up to 18 meters available.

High-strength S32750 super duplex pipe, ASTM A790 certified. Resists corrosion and cracking. Custom sizes from 1/2" to 28". Seamless or welded. Ideal for chemical, marine, and oil & gas applications. ISO 9001, PED approved.

High-quality 150mm welded duplex steel pipe in grade 2205 S32750. Features polished surface, excellent durability, and corrosion resistance. Ideal for decoration, construction, and upholstery. Custom sizes available. Complies with ASTM A789 standards.

High-temperature resistant 310S stainless steel seamless tube, compliant with ASTM A249. Available in SCH40 and SCH140 schedules. Features ultrasonic and eddy current testing. Ideal for heat exchangers, chemical engineering, and industrial applications. Custom sizes and certifications available.