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Grade Type 347
USA UNS S34700
Corresponding Standard ASTM A580/A580M-2018
Stainless Steel Wire
Classification Austenitic Stainless Steel
Type 347 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Nb More
Minimum Value - - - - - 17 9 - Nb≥10C
Maximum Value 0.08 1 2 0.045 0.03 19 13 1.1
Type 347 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
%
A Cold Precision Rolling ≥620 ≥310 ≥30 ≥40
A Annealing ≥520 ≥210 ≥35 ≥50
1 Approximate Comparison Table
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/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
06Cr18Ni11Nb S34778 347 SUS 347 STS 347 347 S34700 X6CrNiNb 18-10 X6CrNiNb 18-10
(X10CrNiNb18-9) 		1.4550 Z6CNNb 18-10 X6CrNiNb 18-10 1.4550 08Х18Н12Б 2338 347S17
347S31
2 Approximate Comparison Table
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/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
06Cr18Ni11Nb
(0Cr18Ni11Nb) 		S34778 347 SUS 347 STS 347 347 S34700 X6CrNiNb 18-10 X6CrNiNb 18-10
(X10CrNiNb18-9) 		1.4550 Z6CNNb 18-10 X6CrNiNb 18-10 1.4550 08Х18Н12Б 2338 347S17
347S31
Type347 Corresponding Standards(Same grade name, different standards)
1 ASTM A194/194M-2016
Type 347 A194 Grade 8C S34700
2 ASTM A580/A580M-2018
Type 347 S34700
3 ASTM A194/A194M-2020
Type 347 A194 Grade 8CA S34700
4 ASME SA-194/SA-194M-2019
Type 347 SA194 Grade 8C S34700

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