904L N08904 - ASTM A554-2026

Grade	904L
USA UNS	N08904
Corresponding Standard	ASTM A554-2026 Welded Stainless Steel Mechanical Tubing
Classification	Austenitic Stainless Steel

904L Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	19	23	1	4	-
Maximum Value	0.02	1	2	0.045	0.035	23	28	2	5	0.1

904L Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Annealing	≥517	≥207	≥35	HB：≤192 HRB：≤90

1 Approximate Comparison Table Austenitic Stainless Steel

China		Japan	United States		International Organization for Standardization		France	European Standard		Sweden	United Kingdom
GB	ISC	JIS	ASTM/AISI	UNS	ISO	Numerical Grade	NF EN/NF	EN	Numerical Grade	SS	BS EN/BS
015Cr21Ni26Mo5Cu2	S31782	SUS 890L	904L	N08904	X1NiCrMoCu25-20-5	4539-089-04-I	Z2NCDU25-20	X1NiCrMoCu25-20-5	1.4539	2562	904S13

2 Approximate Comparison Table Austenitic Stainless Steel

China	United States	International Organization for Standardization		European Standard
ISC	UNS	ISO	Numerical Grade	Numerical Grade
S39042	N08904	X1NiCrMoCu22-20-5-2	4656-089-04-I	1.4656①

904L Corresponding Standards(Same grade name, different standards)

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