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This Corrosion Resistant 316L Seamless Stainless Steel Pipe is produced from high purity 316L (UNS S31603 / EN 1.4404) austenitic stainless steel billet using the cold drawn and hot finished seamless process. Its molybdenum bearing chemistry and fully dense, weld free wall deliver excellent resistance to chlorides, acids and general atmospheric corrosion, which makes it a dependable choice for chemical plants, petrochemical lines and desalination systems that handle aggressive media every day. Every length is pickled and annealed, dimensionally inspected and hydro tested before shipment so that buyers receive a clean, uniform product ready for installation.
Available in outside diameters up to 630 mm and wall thickness from 0.5 mm to 30 mm, this pipe can be cut, bevelled and threaded to suit your project drawings. Because the 316L seamless stainless steel pipe carries no longitudinal weld, it withstands higher working pressures than welded alternatives and keeps a uniform microstructure along its full length. Random lengths of 6 m or 12 m, as well as fixed cut to length orders, are both supported, giving procurement teams flexible options for large pipeline projects and small replacement jobs alike.
Technical Specifications
Parameter
Value
Material Grade
316L / UNS S31603 / EN 1.4404
Standard
ASTM A312 / ASME SA312
Outer Diameter
6 mm - 630 mm
Wall Thickness
0.5 mm - 30 mm
Length
6 m / 12 m or cut to length
Manufacturing Process
Cold drawn and hot finished seamless
Surface Finish
Pickled and annealed
Ends
Plain, bevelled or threaded
Key Advantages
Molybdenum bearing 316L chemistry resists chlorides, acids and pitting far better than standard 304 pipe.
Seamless, weld free body allows higher working pressures and safer performance in critical lines.
Pickled and annealed surface is clean and passive so it resists corrosion from the first day of service.
Wide OD and wall thickness range covers both large transmission pipe and small instrument pipe.
Full traceability with mill test certificate and third party inspection reports available on request.
Custom cutting, bevelling and threading shorten downstream fabrication time for the buyer.
Typical Applications
Chemical and petrochemical process pipelines
Desalination and seawater handling systems
Heat exchanger and condenser tube bundles
Pharmaceutical and food grade transfer lines
Pulp, paper and fertilizer plant piping
Frequently Asked Questions
What makes this pipe corrosion resistant?
The 316L grade adds 2-3 percent molybdenum to the chromium nickel base, which significantly improves resistance to chloride pitting and crevice corrosion. Combined with a seamless, pickled and annealed body, the pipe performs reliably in aggressive chemical and marine environments.
What sizes and lengths can you supply?
Outside diameter ranges from 6 mm to 630 mm and wall thickness from 0.5 mm to 30 mm. Standard lengths are 6 m and 12 m, and we also cut to your exact drawing length.
Do you provide test certificates?
Yes. Each shipment can be supplied with a mill test certificate to EN 10204 3.1 and third party inspection by SGS or BV on request.
What is the delivery time and minimum order?
Stock items ship in 7 to 15 days, while production orders take 20 to 30 days. The minimum order quantity is 1 ton, and sample quantities can be discussed. Please contact us for a quotation tailored to your project.
TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ... TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ...
