GX10NiCrSiNb32-20 1.4859 - ISO 4991-2024

Grade	GX10NiCrSiNb32-20
ISO Numeric Designation	1.4859
Corresponding Standard	ISO 4991-2024 Steel castings for pressure purposes
Classification	Cast Steel

GX10NiCrSiNb32-20 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Nb
Minimum Value	0.05	0.5	-	-	-	19	31	-	-	0.5
Maximum Value	0.15	1.5	2	0.04	0.03	21	33	0.5	0.5	1.5

GX10NiCrSiNb32-20 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	As-cast	440~640	≥180	A: ≥22	≥27

GX10NiCrSiNb32-20 Corresponding Standards(Same grade name, different standards)

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