We are ASTM A358 TP202 Stainless Welded Pipes Supplier in China.


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Ryin Stainless welded pipes factory produces ASTM A358 TP202 Welded pipes, export ASTM A358 Grade TP202 stainless steel welded pipes and ASTM A358 TP202 Electric Fusion Welded Pipes

A358 TP202 Pipes Our production size:

OD12.7 to 2500mm, Thick:0.8mm-60mm, Length 500mm to 13000mm


What is ASTM A358 TP202 ?
ASTM A358 TP202 is standard specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications.

A358 TP202 Pipes Stainless delivery time:


A358 TP202 Chemical Composition

Chemical Composition % Austenitic and Ferritic Stainless Seamless tube
Grade UNS C Mn P S Si Cr
A358 TP202 S20100 0.15 7.5-10.0 0.06 0.03 1 17-19
Ni Mo N Ni Ti
4-6   0.025    




A358 TP202 Permissible Variations in Dimensions


Permissible Variations

The dimensions at any point in a length of pipe shall not exceed the following.

Outside Diameter

Based on circumferential measurement, 60.5 % of the specified outside diameter.


Difference between major and minor outside diameters, 1 %. Alignment—Using a 10-ft [3-m] straightedge placed. so that both ends are in contact with the pipe, 1⁄8 in. [3 mm] deviation from contact with the pipe.


The minimum wall thickness at any point in the pipe shall not be more than 0.01 in. [0.3 mm] under the nominal thickness.



A358 TP202 Production Marking:


  1. Nominal Pipe Size (Nominal Bore)
  2. Schedule (Wall Thickness)
  3. Specification
  4. Material Grade
  5. Method of Manufacture (Seamless or Welded)
  6. Heat Number
  7. Manufacturers Name or Symbol


ASTM A358 TP202 Welded pipes Referenced Documents


A240/SA240M Specification for Chromium and Chromium-

Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

A480/SA480M Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate,Sheet, and Strip

A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys

A999/A999M Specification for General Requirements for Alloy and Stainless Steel Pipe

E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)


ASTM A358 TP202 Related keywords


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