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Home Material KS D 3697-2002
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Grade STS XM7
Other Names
Corresponding Standard KS D 3697-2002
Stainless Steel Wires for Cold Heading and Cold Forging
Classification Austenitic Stainless Steel
STS XM7 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu
Minimum Value - - - - - 17 8.5 3
Maximum Value 0.08 1 2 0.045 0.03 19 10.5 4
STS XM7 Mechanical Properties
diameter or thickness
d
mm		 Mark
Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
%
0.8＜d≤2 STS XM7-WSA 480~630 ≥30 ≥70
2＜d≤5.5 STS XM7-WSA 440~590 ≥40 ≥70
0.8＜d≤2 STS XM7-WSB 500~680 ≥20 ≥65
2＜d≤17 STS XM7-WSB 450~630 ≥25 ≥65
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard
GB ISC CNS JIS KS ASTM/AISI UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
06Cr18Ni9Cu3 S30488 XM7 SUS XM7 STS XM7 XM7 S30430 X3CrNiCu 18-9-4 4567-304-30-I X3CrNiCu 18-9 1.4567 Z3CNU 18-10 X3CrNiCu 18-9-4 1.4567
2 Approximate Comparison Table Stainless Steels for Cold Heading and Cold Extruding
China Japan South Korea United States International Organization for Standardization Germany
GB JIS KS ASTM/AISI ISO DIN EN/DIN
0Cr18Ni9Cu3 SUS302HQ STSXM7 XM7 X3CrNi18-9-4 X3CrNiCu18-9

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