A358 Grade 347H Class1 S34709 - ASTM A358/A358M-2024

Grade	A358 Grade 347H Class1
USA UNS	S34709
Corresponding Standard	ASTM A358/A358M-2024 Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications
Classification	Austenitic Stainless Steel

Approximate Comparison Table Austenitic Stainless Steel

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

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