GX5CrNiNb19-11 1.4552 - ISO 4991-2024

Grade	GX5CrNiNb19-11
ISO Numeric Designation	1.4552
Corresponding Standard	ISO 4991-2024 Steel castings for pressure purposes
Classification	Cast Steel

GX5CrNiNb19-11 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	More
Minimum Value	-	-	-	-	-	18	9	-	Nb:8C~1
Maximum Value	0.07	1.5	1.5	0.04	0.03	20	12	0.5	Nb:8C~1

GX5CrNiNb19-11 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t ≤ 150	solution treated (+AT) solution temperature 1050~1150°C	440~640	Rp1.0 ≥200	A: ≥25

Approximate Comparison Table Cast Steel

China	United States	International Organization for Standardization
GB	UNS	ISO	Numerical Grade
ZG07Cr19Ni11Nb	J92710	GX5CrNiNb19-11	1.4552

GX5CrNiNb19-11 Corresponding Standards(Same grade name, different standards)

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