ZG27CrMnSiNiMo - HB 5001-1992 - H2ABC

中文版

Grade	ZG27CrMnSiNiMo
Corresponding Standard	HB 5001-1992 Technical Standards for Structural Steel Investment Castings
Classification	Cast Steel

ZG27CrMnSiNiMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	W	V
Minimum Value	0.24	0.5	0.9	-	-	0.7	1.4	-	0.2	-	-
Maximum Value	0.3	0.8	1.2	0.035	0.03	1	1.8	0.3	0.35	0.4	0.2

ZG27CrMnSiNiMo 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	890±10°C heating, 280~320°C isothermal quenching	≥1275	≥980	≥6	≥18	HB Indentation Diameter (mm): 3.20~2.85	≥16
Cold Cast Sample	890±10°C heating, 280~320°C isothermal quenching	≥1275	≥980	≥7	≥25	HB Indentation Diameter (mm): 3.20~2.85	≥20
Hot Cast Sample	890±10°C oil quenching, 200~240°C tempering	≥1470	≥1175	≥5	≥15	HB Indentation Diameter (mm): 3.00~2.70	≥16
Cold Cast Sample	890±10°C oil quenching, 200~240°C tempering	≥1470	≥1175	≥6	≥20	HB Indentation Diameter (mm): 3.00~2.70	≥20

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