ML15MnVB A73154 - GB /T 6478-2015

Grade	ML15MnVB
China ISC	A73154
Corresponding Standard	GB /T 6478-2015 Steels For Cold Heading And Cold Extruding
Classification	Alloy Steel
Properties	Forgability

ML15MnVB Chemical Element Composition Content (%)

Component	C	Si ^c	Mn	P	S	V	B ^b	Al ^a
Minimum Value	0.13	0.1	1.2	-	-	0.07	0.0008	0.02
Maximum Value	0.18	0.3	1.6	0.025	0.025	0.12	0.0035	-

ML15MnVB Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
d=25 (Sample diameter)	Quenching temperature 860~900°C oil quenching, tempering temperature 340~380°C	≥900	≥720	≥10	≥45	Hot Rolled State ≤207

ML15MnVB Corresponding Standards(Same grade name, different standards)

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