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Grade TP317
USA UNS S31700
Corresponding Standard ASTM A943/A943M-2001(R2019)
Standard Specification for Spray-Formed Seamless Austenitic Stainless Steel Pipes
Classification Austenitic Stainless Steel
TP317 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value - - - - - 18 11 3
Maximum Value 0.08 0.75 2 0.045 0.03 20 14 4
TP317 Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
≥515 ≥205 Longitudinal: ≥35
Transverse: ≥25
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States Germany United Kingdom
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr. BS EN/BS
06Cr19Ni13Mo3 S31708 317 SUS 317 STS 317 317 S31700 X5CrNiMo 17-13 1.4449 317S16
2 Approximate Comparison Table Austenitic Heat-Resistant Steel
China Taiwan, China Japan South Korea United States Germany United Kingdom
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr. BS EN/BS
06Cr19Ni13Mo3
(0Cr19Ni13Mo3) 		S31708 317 SUS 317 STS 317 317 S31700 X5CrNiMo 17-13 1.4449 317S16
3 Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization European Standard
ISC JIS UNS ISO Numerical Grade Numerical Grade
S31708 SUS317 S31700 X6CrNiMo19-13-4 4445-317-00-U (1.4445)
TP317 Corresponding Standards(Same grade name, different standards)
1 ASTM A409/A409M-2019
TP 317 S31700
2 ASTM A632-2019(2025)
TP 317 S31700
3 ASTM A943/A943M-2001(R2019)
TP317 S31700

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