S44700 - ASTM A479/A479M-2018

USA UNS	S44700
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	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	More
Minimum Value	-	-	-	-	-	28	-	-	3.5	-	(C+N)≤0.025
Maximum Value	0.01	0.2	0.3	0.025	0.02	30	0.15	0.15	4.2	0.02	(C+N)≤0.025

◎ 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	Elongation or Extension Rate δ %	Reduction of Area ψ %
All specifications	Annealing	≥485	≥380	in 2 in.[50 mm] or 4D ≥ 20	≥ 40 ①

◎ 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
S13091	SUS447J1	S44700	X1CrMo30-2	4135-447-92-C	(1.4135)

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