ZG40Ni35Cr25Nb - HG /T 2601-2011

Grade	ZG40Ni35Cr25Nb
Corresponding Standard	HG /T 2601-2011 Centrifugal casting alloy tubes for service of pressure bearing at high temperature
Classification	Cast Steel

ZG40Ni35Cr25Nb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Nb
Minimum Value	0.35	-	-	-	-	24	32	0.6
Maximum Value	0.45	2	2	0.03	0.03	27	37	1.5

•The Si content of ethylene cracking furnace tubes shall be agreed upon by both the buyer and the seller.
• The contents of Sn, Pb and Zn all do not exceed 100 PPM (10 ⁻ ⁶).

ZG40Ni35Cr25Nb Mechanical Properties

product	Test Temperature	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
铸件	room temperature	≥441	ReL: ≥245	≥8
Castings		≥256		≥31
Castings		≥160		≥33
Castings		≥101		≥39
Castings		≥65		≥40

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