S44627 - ASTM A479/A479M-2018

USA UNS	S44627
ASTM Specification or Grade	XM-27
Corresponding Standard	ASTM A479/A479M-2018 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
Classification	Ferritic Stainless Steel

Chemical Element Composition Content (%)

Component	C ^①	Si	Mn	P	S	Cr	Ni	Cu	Mo	N ^①	Cb	More
Minimum Value	-	-	-	-	-	25	-	-	0.75	-	0.05	(Ni+Cu)≤0.5
Maximum Value	0.01	0.4	0.4	0.02	0.02	27.5	0.5	0.2	1.5	0.015	0.2	(Ni+Cu)≤0.5

◎ New designations established in accordance with Practice E527 and SAE J1086 published jointly by ASTM and SAE. See ASTM DS-56C, available from ASTM Headquarters.

Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Reduction of Area ψ %	Hardness HBW
All specifications	Annealing	≥450	≥275	≥ 45 ①②	≤217

◎ d-diameter, t-thickness

Approximate Comparison Table Ferritic Stainless Steel

China	Japan	United States	International Organization for Standardization		European Standard
ISC	JIS	UNS	ISO	Numerical Grade	Numerical Grade
S12791	SUSXM27	S44627	X1CrMo26-1	4131-446-92-C	(1.4131)

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