07Cr18Ni11Nb - GB /T 5310-2017

Grade	07Cr18Ni11Nb
Corresponding Standard	GB /T 5310-2017 Seamless steel tubes and pipes for high pressure boiler
Classification	Austenitic Stainless Steel

07Cr18Ni11Nb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^①	More
Minimum Value	0.04	-	-	-	-	17	9	-	Nb：8C~1.1
Maximum Value	0.1	0.75	2	0.03	0.015	19	13	0.25	Nb：8C~1.1

* Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaseer, except for finishing the cast. The manufacturer shall take all appropriate measures to prevent the addition of these elements from scrap or other materials used in steelmaking, which may adversely affect the mechanical properties and usability.

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

China		United States	European Standard
GB	ISC	ASTM/AISI	EN
07Cr18Ni11Nb	S34779	SA-213 TP347H	X7CrNiNb18-10

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

1	GB /T 20878-2007
	07Cr18Ni11Nb S34779 (1Cr19Ni11Nb)
2	GB /T 3280-2015
	07Cr18Ni11Nb S34779 (1Cr19Ni11Nb)
3	GB /T 4238-2015
	07Cr18Ni11Nb S34779 (1Cr19Ni11Nb)
4	GB 5310-2008
	07Cr18Ni11Nb
5	GB /T 5310-2017
	07Cr18Ni11Nb
6	GB /T 4237-2015
	07Cr18Ni11Nb S34779 (1Cr19Ni11Nb)
7	GB /T 14975-2012
	07Cr18Ni11Nb S34779 (1Cr19Ni11Nb)
8	GB /T 14976-2012
	07Cr18Ni11Nb S34779 (1Cr19Ni11Nb)
9	GB /T 12771-2019
	07Cr18Ni11Nb S34779
10	GB /T 24511-2017
	07Cr18Ni11Nb S34779
11	GB /T 5310-2023
	07Cr18Ni11Nb S34779
12	GB /T 20878-2024
	07Cr18Ni11Nb S34779

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!