G32NiCrMo8-5-4 1.6570 - ISO 14737-2021

Grade	G32NiCrMo8-5-4
ISO Numeric Designation	1.6570
Corresponding Standard	ISO 14737-2021 Carbon and Low Alloy Cast Steels for General Applications
Classification	Cast Steel

G32NiCrMo8-5-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.28	-	0.6	-	-	1	1.6	-	0.3	-
Maximum Value	0.35	0.6	1	0.02	0.015	1.4	2.1	0.3	0.5	0.05

G32NiCrMo8-5-4 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤100	Quenching + Tempering (+QT1) Quenching temperature 880~920°C , Tempering temperature 600~650°C	850~1000	≥700	≥16	≥50
100＜t≤250	Quenching + Tempering (+QT1) Quenching temperature 880~920°C , Tempering temperature 600~650°C	820~970	≥650	≥14	≥35
t≤100	Quenching + Tempering (+QT2) Quenching temperature 880~920°C , Tempering temperature 500~550°C	1050~1200	≥950	≥10	≥35

G32NiCrMo8-5-4 Corresponding Standards(Same grade name, different standards)

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