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Grade A401 9254
USA UNS G92540
Corresponding Standard ASTM A401/A401M-2018
Steel Wire, Chromium-Silicon Alloy
Classification Alloy Steel
A401 9254 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.51 1.2 0.6 - - 0.6
Maximum Value 0.59 1.6 0.8 0.035 0.04 0.8
A401 9254 Mechanical Properties
Tensile Strength
σb
ksi 		Reduction of Area
ψ
%
0.032 300~325
0.041 298~323
0.054 292~317
0.062 290~315
0.080 285~310
0.092 280~305 ≥45
0.120 275~300 ≥45
0.135 270~295 ≥40
0.162 265~290 ≥40
0.177 260~285 ≥40
0.192 260~283 ≥40
0.219 255~278 ≥40
0.250 250~275 ≥40
0.312 245~270 ≥40
0.375 240~265 ≥40
0.438 235~260 ≥35
0.500 230~255 ≥35
0.562 228~253 ≥30
0.625 226~251 ≥30
0.687 224~249 ≥30
Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
55SiCrA A21553 SUP12 SUP12 SPS8 9254 G92540 55SiCr6-3 54SiCr6 1.7102 54SiCr6
(55S7) 		55С2 54SiCr6

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