Grade ML18
Corresponding Standard GB /T 5953.1-2009
Steel Wire for Cold Heading and Cold Forging— Part 1: Intended for Heat Treatment
Classification Carbon Steel
ML18 Mechanical Properties
diameter
d
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Reduction of Area
ψ
%
Hardness
HBW
d≤6 SALD 440~640 ≥55
6<d≤12 SALD 400~580 ≥55
12<d≤25 SALD 380~530 ≥50 HRB
≤83
d≤25 SA 350~500 ≥60 HRB
≤80
ML18 Corresponding Standards(Same grade name, different standards)

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