GX3CrNi13-4 1.6982 - ISO 4991-2024

Grade	GX3CrNi13-4
ISO Numeric Designation	1.6982
Corresponding Standard	ISO 4991-2024 Steel castings for pressure purposes
Classification	Cast Steel

GX3CrNi13-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	-	-	-	-	-	12	3.5	-	-	-
Maximum Value	0.05	1	1	0.035	0.015	13.5	5	0.3	0.7	0.08

GX3CrNi13-4 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 ≤ 300	Quenching + Tempering (+QT) Quenching temperature 1000~1050°C , Tempering temperature 670~690°C + 590~620°C	700~900	≥500	A: ≥15	Room temperature: ≥50 -120°C: ≥27

Approximate Comparison Table Cast Steel

China	United States	International Organization for Standardization
GB	UNS	ISO	Numerical Grade
ZG05Cr13Ni4Mo	J91550	GX3CrNi13-4	1.6982

GX3CrNi13-4 Corresponding Standards(Same grade name, different standards)

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