GX2CrNiMoN26-7-4 1.4469 - ISO 4991-2024

Grade	GX2CrNiMoN26-7-4
ISO Numeric Designation	1.4469
Corresponding Standard	ISO 4991-2024 Steel castings for pressure purposes
Classification	Cast Steel

GX2CrNiMoN26-7-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	25	6	-	3	0.12
Maximum Value	0.03	1	1	0.035	0.025	27	8	1.3	5	0.22

GX2CrNiMoN26-7-4 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 ≤ 150	Solution Treatment (+AT) 1140~1180°C	650~850	≥480	A: ≥22	-70℃ ≥35

Approximate Comparison Table Cast Steel

China	United States	International Organization for Standardization
GB	UNS	ISO	Numerical Grade
ZG03Cr26Ni7Mo4N	J93404	GX2CrNiMoN26-7-4	1.4469

GX2CrNiMoN26-7-4 Corresponding Standards(Same grade name, different standards)

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