Grade ML20Al
China ISC U40208
Corresponding Standard GB /T 28906-2025
Hot Rolled Wire Rod for Cold Heading
Classification Carbon Steel
Properties Good Forgability
ML20Al Chemical Element Composition Content (%)
Component C Si Mn P S Al
Minimum Value 0.18 - 0.3 - - 0.02
Maximum Value 0.23 0.1 0.6 0.025 0.02 0.06
ML20Al Mechanical Properties
diameter
d
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Reduction of Area
ψ
%
d≤12 ≤530 ≥50
d>12 ≤530 ≥45
/ ≤490 ≥63
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 International Organization for Standardization European Standard
GB JIS ISO EN Numerical Grade
ML20Al SWRCH22A C20C C20C 1.0411
3 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
4 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
ML20Al Corresponding Standards(Same grade name, different standards)

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