ZG40Mn2 - HB 5001-1992

Grade	ZG40Mn2
Corresponding Standard	HB 5001-1992 Technical Standards for Structural Steel Investment Castings
Classification	Cast Steel

ZG40Mn2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	W	V
Minimum Value	0.37	0.2	1.4	-	-	-	-	-	-	-	-
Maximum Value	0.45	0.37	1.8	0.035	0.035	0.3	0.4	0.3	0.2	0.4	0.2

ZG40Mn2 Mechanical Properties

test	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
Hot Cast Sample	880 ± 20°C Annealing	≥590	-	≥10	-	HB indentation diameter mm: 4.5~3.9	-
Cold Cast Sample	880 ± 20°C Annealing	≥590	-	≥12	-	HB Indentation Diameter mm: 3.8~3.3	-
Hot Cast Sample	860 ± 10°C Oil Quenching, 600~650°C Tempering	≥735	≥390	≥10	≥20	HB Indentation Diameter (mm): 4.15~3.8	≥24
Cold Cast Sample	860 ± 10°C Oil Quenching, 600~650°C Tempering	≥735	≥390	≥12	≥30	HB Indentation Diameter (mm): 4.15~3.8	≥31
Hot Cast Sample	860 ± 10°C Oil Quenching, 550~600°C Tempering	≥885	≥590	≥7	≥10	HB indentation diameter mm: 3.8~3.5	≥13
Cold Cast Sample	860 ± 10°C Oil Quenching, 550~600°C Tempering	≥885	≥590	≥8	≥15	HB indentation diameter mm: 3.8~3.5	≥16

ZG40Mn2 Corresponding Standards(Same grade name, different standards)

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