GX2CrNiMoCuN25-6-3-3 1.4517 - ISO 4991-2024

Grade	GX2CrNiMoCuN25-6-3-3
ISO Numeric Designation	1.4517
Corresponding Standard	ISO 4991-2024 Steel castings for pressure purposes
Classification	Cast Steel

GX2CrNiMoCuN25-6-3-3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	24	5	2.75	2.5	0.12
Maximum Value	1	1	1.5	0.035	0.025	26.5	7	3.5	3.5	0.22

* For this steel grade a minimum value of the \"pitting index\" may be required as Pi = Cr+ 3,3Mo +16N ≥ 40.

GX2CrNiMoCuN25-6-3-3 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 Treated (+AT)	650~850	≥480	A: ≥22	-70℃ ≥35

GX2CrNiMoCuN25-6-3-3 Corresponding Standards(Same grade name, different standards)

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