ASME SA213 TP316N Seamless heat exchanger tubes manufacturer

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ASME SA213 TP316N specification: This Standard Specification are for Seamless Ferritic and Austenitic Alloy-Steel Boiler Superheater and Heat-Exchanger Tubes.


This specification covers seamless ferritic and austenitic steel boiler, superheaterand heat-exchanger tubes. The Mainly Grade are TP201 TP202 XM19 TP309S TP309SL TO304H TP309SN TP309SLN TP309S TP309H TP310S, TP310H TP316,TP316L, TP316H, TP316TI, TP316N,TP316LN, TP317, TP317L, TP3221,TP321H, TP347 TP347H, TP348, TP348H andTP444.

Ryin Stainless factory is specialized in suppling welded pipe and seamless stainless pipes. All of SA213 TP316N tubes are made by the seamless process and are either hot finished or cold finished as specified. Heat treatment shall be carried out separately and in addition to heating for hot forming.
All of austenitic stainless tubes shall be furnished in the heat treatment condition and shall be heat treated in accordance with the requirement of SA213 Standards.

SA213 TP316N seamless tubes production range:

Thickness: 0.5mm to 50mm
OD:10mm to 2500mm


SA213 TP316N seamless tubes Tolerance:


Permitted Variations in Average Wall Thickness for Hot Formed Tubes
Tolerance in %, from specified
NPS [DN] Designator Over Under
1⁄8 to 21⁄2 [6 to 65] incl, all t/D ratiosA 20 12.5
Above 21⁄2 [65], t/D # 5 %A 22.5 12.5
Above 21⁄2 [65], t/D > 5 %A 15 12.5
A t = specified wall thickness D = specified outside diameter




SA213 TP316N seamless tubes Chemical Composition

Chemical Composition % Austenitic and Ferritic Stainless Seamless tube
Grade UNS C Mn P S Si Cr
SA213 TP316N S31651 0.08 2.0 0.045 0.030 1 16-18
Ni Mo N Ni Ti
10-14  2.0-3.0 0.1-0.16




SA213 TP316N seamless tubes Property:


Tensile and Hardness Requirements  SA213 TP316N Seamless pipes
Grade UNS Tensile Yield Elongation Hardness
SA213 TP316N S31651 min min mikn HBW HRB Max
550 240 35
192 90



SA213 TP316N Equal grade:

You can use the A213 TP316N or SA312 TP316N or A312 TP301 Seamless pipes


SA213 TP316N seamless tubes Delivery time: 20days.

If you have purchase requirement at SA213 TP316N seamless tubes, please feel free to contact us by email.