G30NiCrMo2-2 1.6778 - ISO 14737-2021 - H2ABC

中文版

Grade	G30NiCrMo2-2
ISO Numeric Designation	1.6778
Corresponding Standard	ISO 14737-2021 Carbon and Low Alloy Cast Steels for General Applications
Classification	Cast Steel

G30NiCrMo2-2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.28	-	0.6	-	-	0.4	0.4	-	0.15	-
Maximum Value	0.33	0.6	1	0.035	0.03	0.6	0.7	0.3	0.25	0.05

G30NiCrMo2-2 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	Normalizing + Tempering (+NT) Normalizing temperature 900~980°C , Tempering temperature 600~650°C	630~780	≥270	≥18	≥10
t≤100	Quenching + Tempering (+QT1) Quenching temperature 900~980°C , Tempering temperature 600~650°C	820~970	≥540	≥14	≥25
t≤100	Quenching + Tempering (+QT2) Quenching temperature 900~980°C, Tempering temperature 550~600°C	900~1050	≥630	≥11	≥25

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!