Grade SWRCH22A
Corresponding Standard JIS G 3507-1-2005
Carbon steels for cold heading -- Wire rods
Classification Carbon Steel
SWRCH22A Chemical Element Composition Content (%)
Component C Si Mn P S Al
Minimum Value 0.18 - 0.7 - - 0.02
Maximum Value 0.23 0.1 1 0.03 0.035 -
SWRCH22A Mechanical Properties
diameter
d
mm
Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Reduction of Area
ψ
%
Hardness
HBW
3 < d≤4 SWCH22A(K) D D ≥690 ≥45
4 <d≤5 SWCH22A(K) D D ≥570 ≥45
d > 5 SWCH22A(K) D D ≥470 ≥45 HRB
≤98
d < 20 SWCH22A(K) DA DA ≥440 ≥55 HRB
≤88
1 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
Japan International Organization for Standardization European Standard
JIS ISO EN Numerical Grade
SWRCH22A C20C C20C 1.0411
2 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany European Standard
GB ISC JIS ASTM ISO DIN EN/DIN W-Nr. EN Numerical Grade
ML20Mn U41208 SWRCH22A 1022 CE20E4 C17E2C 1.1147 C17E2C 1.1147
3 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
Japan International Organization for Standardization European Standard
JIS ISO EN Numerical Grade
SWRCH22A C20C C20C 1.0411

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