G9Ni14 1.5638 - ISO 4991-2024

Grade	G9Ni14
ISO Numeric Designation	1.5638
Corresponding Standard	ISO 4991-2024 Steel castings for pressure purposes
Classification	Cast Steel

G9Ni14 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.06	-	0.5	-	-	-	3	-	-	-
Maximum Value	0.12	0.6	0.8	0.02	0.015	0.3	4	0.3	0.2	0.05

G9Ni14 Mechanical Properties

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
Quenching + Tempering (+QT) Quenching temperature 820~900°C , Tempering temperature 590~640°C	500~650	≥360	A: ≥20	-90°C: ≥27

Approximate Comparison Table Cast Steel

China	United States	International Organization for Standardization
GB	UNS	ISO	Numerical Grade
ZG012Ni4	J31550	G9Ni14	1.5638

G9Ni14 Corresponding Standards(Same grade name, different standards)

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