07Cr18Ni11Nb S34779 1Cr19Ni11Nb - GB /T 20878-2007

Grade	07Cr18Ni11Nb
China ISC	S34779
Old Grade
Corresponding Standard	GB /T 20878-2007 Stainless and heat-resisting steels - Designation and chemical composition
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance

07Cr18Ni11Nb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	More
Minimum Value	0.04	-	-	-	-	17	9	Nb：8C~1.1
Maximum Value	0.1	1	2	0.045	0.03	19	12	Nb：8C~1.1

1 Approximate Comparison Table

China		Japan	United States		International Organization for Standardization		France	European Standard
GB	ISC	JIS	ASTM/AISI	UNS	ISO	Numerical Grade	NF EN/NF	EN	Numerical Grade
07Cr18Ni11Nb (1Cr19Ni11Nb)	S34779	SUS347H	347H	S34709	X7CrNiNb18-10	4912-347-09-I	Z2CND17-11 Z2CND18-13 Z8CNNb18-10	X7CrNiNb18-10	1.4912

2 Approximate Comparison Table Seamless steel tubes and pipes for high pressure boiler

07Cr18Ni11Nb Corresponding Standards(Same grade name, different standards)

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