28Mn6 - DIN EN ISO 683-1-2018

Grade	28Mn6
Corresponding Standard	DIN EN ISO 683-1-2018 Heat-treatable steels,alloy steels and free-cutting steels--Part 1: Non-alloy steels for quenching and tempering
Classification	Carbon Steel

28Mn6 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.25	0.1	1.3	-	-	-	-	-	-	Cr+Mo+Ni≤0.63
Maximum Value	0.32	0.4	1.65	0.025	0.035	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

28Mn6 Mechanical Properties

	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	Impact Energy Absorption KV2 J
d≤16; t≤8	Quenching and Tempering	800~950	≥590	≥13	≥40		≥25
16＜d≤40；8＜t≤20	Quenching and Tempering	700~850	≥490	≥15	≥45		≥30
40＜d≤100；20＜t≤60	Quenching and Tempering	650~800	≥440	≥16	≥50		≥30
d≤16；t≤16	Normalizing (N)	≥630	≥345	≥17
16<d≤100；16＜t≤100	Normalizing (N)	≥600	≥310	≥18
100<d≤250；100＜t≤250	Normalizing (N)	≥590	≥290	≥18
All Sizes	Shearable Condition (+S)					≤255
All Sizes	Softening Annealing (+A)					≤223

New and Old Grade Replacement List

Approximate Comparison Table structural alloy steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
30Mn2	SCMn2	1527 Gr.1330	28Mn6	28Mn6	35Mn5	28Mn6	1.1170	30G 30G2	120M36 150H19 150M19 150M28

28Mn6 Corresponding Standards(Same grade name, different standards)

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