What is the difference between TP317LN and TP317L stainless Welded pipe?


TP316 and TP317 Physical Properties: The physical property data which follows represent the iron-chromium-nickel-molybdenum class of stainless steels. For all practical purposes, the data are applicable to Stainless welded pipe 317LN and Stainless welded pipe Alloy 317L stainless steels. All properties are at room temperature (20degree) unless stated otherwise.


SA312 TP317L is the Grade of SA312 specification for welded and seamless pipe. China Ryin stainless factory supply offers both seamless and welded TP317L line pipe. This Stainless welded pipe  use for pipeline transportation systems.

Customers depend on us for on-time deliveries, the industry’s best test reports, and quality control systems. Now we bring this same extraordinary customer experience to welded stainless steel pipe, welded stainless steel tubing, welded stainless steel structural shapes, welded nickel alloy pipe, welded nickel alloy tubing, and welded nickel alloy structural shapes.


We also provide Standard certificates like EN 10204 3.1, EN10204 3 and additional requirement like. FERRIT CONTENT as per norms if requested by clients.

Search results may not reflect all products, sizes or tolerances of our 60,000 tons of products in stock. Contact a sales rep for the most accurate information.


Stainless Steel TP316/316L Welded pipes and tubes are available in both seamless and welded form in OD and NB sizes. In addition to standard sizes, which are available in stock, our specialty is to Supplier and supply custom size TP317/317L cold drawn seamless tubes from our factory.

Spectacle blinds consist of a connected ring (spacer) and a plate (spade). If a piece of equipment needs to be inspected or removed from service ,then the plate covers the ring to form an airtight seal which consequently isolates a section of line or the piece of equipment. It provides a permanent or long-term isolation device.


We export SA312 TP317 and SA312 TP317L Welded pipe in China. If any requirement, please feel free to contact us.


SA312 TP317L TP317LN stainless Welded pipe

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