316L Stainless Steel Pipe
316L stainless steel pipe is low-carbon molybdenum-containing austenitic steel with supreme anti-corrosion performance. It resists chloride, acid & seawater erosion far better than 304 stainless pipe. Ideal for high-end chemical, pharmaceutical, marine desalination and oil & gas pipeline projects. It delivers the highest profit & order value among stainless steel tubing products, supporting full bulk wholesale with complete industrial certifications.
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Product Description
Product Name 316L Stainless Steel Pipe
Standard ASTM,JIS,DIN,GB,AISI,DIN,EN
Grade/Alloy316L
TechniqueCold drawn, Hot rolled, Cold   rolled and Others.
Standard Sizes

Outer Diameter (OD) Range 6mm – 630mm / 1/8" – 36" nominal diameter (DN6 – DN900) 

Wall Thickness & Schedule Metric: 0.5mm – 25mm 

ASME Schedule: SCH 5S, 10S, 40S, 80S, 160, XXS 

Standard Length 6 meters fixed length; custom cut 3m–12m available

Main Pipe State / Type

Seamless SMLS Pipe; ERW Welded Pipe

EFW Large Diameter Welded Pipe;  Cold Drawn Precision Tube

Surface Treatment

Annealed & Pickled (AP): Matte industrial finish for general chemical & pipeline use

 Bright Annealed (BA): Smooth mirror finish for sanitary pharmaceutical pipelines 

320 / 400 / 600 grit polished: Decorative & clean internal surface 

Electropolished: Ultra-smooth hygienic surface for high-purity medical fluid

Exported to

Southeast Asia, Middle East, Latin America; 

Core Strength of Haiwo 316L Stainless Steel Pipe:


  • Ultra low carbon (≤0.03%) avoids welding sensitization, no intergranular corrosion after welding
  • Molybdenum alloy ingredient delivers outstanding resistance to chloride, saltwater & acidic fluid

  • Superior high-temperature mechanical property, stable under high pressure industrial operation

  • Full compliance with ASTM A312 / A213 / A269 international industrial standards

  • High reorder & high unit price, long service life cuts client maintenance replacement cost

  • Available seamless & welded production, full stock & customized cutting service

  • Complete MTC test certificate for global import customs clearance


Main Application of 316L Stainless Steel Pipe:


  • Chemical industry: Corrosive acid, solvent & chemical medium transmission pipelines
  • Pharmaceutical & biotech: Sanitary sterile fluid delivery system

  • Marine & desalination plant: Seawater intake, drainage & offshore platform piping

  • Oil & gas project: Offshore crude, natural gas & corrosive well fluid pipelines

  • Food & beverage processing: Sanitary food-grade transport tubing

  • High-temperature energy equipment: Heat exchanger & boiler tubes



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316L Stainless Steel Pipe


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316L Stainless Steel Pipe


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