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Grade TP 316L
USA UNS S31603
Corresponding Standard ASTM A632-2019(2025)
Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service
Classification Austenitic Stainless Steel
TP 316L Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value - - - - - 16 10 2
Maximum Value 0.03 1 2 0.045 0.03 18 14 3
TP 316L Mechanical Properties
diameter or thickness
d or t
mm		 Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
d≥3.2 or t≥0.38 ≥485 ≥170 ≥35
d＜3.2 or t＜0.38 / / ≥25
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
022Cr17Ni12Mo2
(00Cr17Ni14Mo2) 		S31603 316L SUS 316L STS 316L 316L S31603 X2CrNiMo 17-12-2
X2CrNiMo17-12-3 		4404-316-03-I
4432-316-03-I 		X2CrNiMo 18-14-3
(X2CrNiMo 18-12) 		1.4435 Z2CND 17-13 X2CrNiMo 17-12-2
X2CrNiMo17-12-3 		1.4404
1.4432 		03Х17Н14М2 2353 316S11
316S12
2 Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
00Cr17Ni14Mo2 SUS316L 316L
TP316L 		Type19a X2CrNiMo18-14-3 Z3CND17-12-03
Z3CND18-14-03 		X2CrNiMo18-14-3 1.4435 03KH17N14M3 2353 316S13
316S14
3 Approximate Comparison Table Stainless Steels for Cold Heading and Cold Extruding
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade EN Numerical Grade
022Cr17Ni12Mo2
(00Cr17Ni14Mo2) 		S31603 SUS316L 316L S31603 X2CrNiMo17-12-2 4404-316-03-I X2CrNiMo17-12-2 1.4404
4 Approximate Comparison Table Stainless Steels for Cold Heading and Cold Extruding
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade EN Numerical Grade
022Cr17Ni12Mo2
(00Cr17Ni14Mo2) 		S31603 SUS316L 316L S31603 X2CrNiMo17-12-3 4432-316-03-I X2CrNiMo17-12-3 1.4432
TP316L Corresponding Standards(Same grade name, different standards)
1 YB /T 4323-2013
TP316L
2 ASTM A688/A688M-2018
TP 316L S31603
3 ASTM A409/A409M-2019
TP 316L S31603
4 ASTM A632-2019(2025)
TP 316L S31603
5 ASTM A943/A943M-2001(R2019)
TP316L S31603

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