ML30MnB - GB /T 5953.1-2009

Grade	ML30MnB
Corresponding Standard	GB /T 5953.1-2009 Steel Wire for Cold Heading and Cold Forging— Part 1: Intended for Heat Treatment
Classification	Alloy Steel

ML30MnB Chemical Element Composition Content (%)

Component	C	Si ^ⓐ	Mn	P	S	B ^ⓑ	Al ^ⓒ
Minimum Value	0.28	0.1	0.9	-	-	0.0008	0.02
Maximum Value	0.33	0.3	1.2	0.025	0.025	0.0035	-

ML30MnB Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Reduction of Area ψ %	Hardness HBW
d≤25	SALD	≤660	≥55	HRB ≤93
d≤25	SA	≤610	≥65	HRB ≤90

Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

ML30MnB Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!