Grade SWRCH20A
Classification Carbon Steel
SWRCH20A 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 -
1 Approximate Comparison Table
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM ISO EN Numerical Grade
ML20Al U40208 SWRCH20A 1020 CC21A C20C 1.0411
2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
China Japan United States International Organization for Standardization European Standard
YB GB JIS ASTM ISO EN
QML20Al ML20Al SWRCH20A 1020 C20E2C C20E2C
3 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
China Japan United States International Organization for Standardization European Standard
GB JIS ASTM ISO EN
ML20Al SWRCH20A 1020 C20E2C C20E2C
SWRCH20A Corresponding Standards(Same grade name, different standards)

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