20MnMoNi55 - H2ABC

20MnMoNi55 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	As	N	Ti	V	Al	Sn
Minimum Value	0.15	0.1	1.15	-	-	-	0.45	-	0.4	-	-	-	-	0.01	-
Maximum Value	0.25	0.35	1.55	0.015	0.012	0.2	0.85	0.15	0.55	0.025	0.013	0.03	0.02	0.05	0.011

20MnMoNi55 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
Steel plate	Normalizing + Tempering (NT)	570~740	≥450	≥18	≥40
Steel plate	Quenching and Tempering	590~760	≥450	≥18	≥34

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