202 Seamless Stainless Steel Tube
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202 stainless steel is one of the 200 series of stainless steel, gb model is 1Cr18Mn8Ni5N. 202 stainless steel is widely used in building decoration, municipal engineering, highway guardrail, hotel facilities, shopping malls, glass handrails, public facilities and other places.

It is made by high-precision automatic pipe making equipment through self-dissolution welding, roll-forming, and welding by filling gas protection (inside and outside of the pipe) without any metal filler. The welding method is TIG technology, and the online solution eddy current flaw detection is performed.

Chemical composition/%

brandHeat treatmentThe yield strength MpaTensile strength MpaModulus of elasticity  psiHBSHRBHV
2021010~1120Fast cooling≥275≥520≥400000≤207≤95≤218


Now the comparison table of some Austenitic stainless steels between Chinese and American brands is listed below:

Before is The Chinese GB brand, in parentheses is the American ASTM brand, (/) means there is no corresponding brand.

1Cr17Mn6Ni5N(201), 1Cr18Mn8Ni5N(202), 1Cr17Ni7(301),

1 cr18ni9 (302), Y1Cr18Ni9 Y1Cr18Ni9Se (303) 303 (se),

Cr19ni9, 0Cr18Ni9 (304), 0Cr19Ni10, 0Cr18Ni10(304L), 0Cr19Ni9N(304N1),

0Cr19Ni10NbN(304N2), 0Cr18Ni10N(304LN), 1Cr18Ni12, 1Cr18Ni12Ti(305),

0Cr23Ni13(309S), 0Cr25Ni20, 0Cr25Ni20Si2(310S), 0Cr17Ni12Mo2,

0Cr18Ni12Mo2Ti(/)00Cr17Ni14Mo2(316L), 0Cr17Ni12Mo2N(316N), 00Cr17Ni13Mo2N(316LN), 0Cr18Ni12Mo2Cu2(316J1), 00 cr18ni14mo2cu2 j1l (316), 0 cr19ni13mo3 (317).

1Cr18Ni12Mo3Ti(/), 0Cr18Ni12Mo3Ti(/), 00Cr19Ni13Mo3, 00Cr17Ni14Mo3 (317L),

0Cr18Ni16Mo5(317J1), 1Cr18Ni9Ti(321), 0Cr18Ni11Ti, 0Cr18Ni9Ti(321L),

0Cr18Ni11Nb(347), 0Cr18Ni9TiCu3(XM7), 0Cr18Ni13Si4(XM15J1)

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