中文版
Home Material ASTM A276/A276M-2017
简体 | 繁體
USA UNS S30900
ASTM
Specification or Grade		 309
Corresponding Standard ASTM A276/A276M-2017
Standard Specification for Stainless Steel Bars and Shapes
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value - - - - - 22 12
Maximum Value 0.2 1 2 0.045 0.03 24 15
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
%
all Annealing - Hot Finish Rolling (A) ≥515 ≥205 ≥40 ≥50
≤12.7 Annealing - Cold Precision Rolling (A) ≥620 ≥310 ≥30 ≥40
＞12.7 Annealing - Cold Precision Rolling (A) ≥515 ≥205 ≥30 ≥40
1 Approximate Comparison Table Austenitic Heat-Resistant Steel
China Taiwan, China Japan South Korea United States Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
16Cr23Ni13
(2Cr23Ni13) 		S30920 SUH 309 SUH 309 STR 309 309 S30900 X15CrNiSi 20-12 1.4828 Z15CNS 20-12 X15CrNiSi 20-12 1.4828 20Х20Н14С2 309S24
2 Approximate Comparison Table Austenitic Heat-Resistant Steel
China Japan United States Germany France European Standard Russia United Kingdom
GB JIS ASTM DIN EN/DIN NF EN/NF EN Numerical Grade GOST BS EN/BS
1Cr20Ni14Si2 SUH309 309 X15CrNiSi20-12 Z17CNS20-12 X15CrNiSi20-12 1.4828 20KH20N14S2 309S24

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!