S82441 - ASTM A479/A479M-2018

USA UNS	S82441
Corresponding Standard	ASTM A479/A479M-2018 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
Classification	Duplex Stainless Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	2.5	-	-	23	3	0.1	1	0.2
Maximum Value	0.03	0.7	4	0.035	0.005	25	4.5	0.8	2	0.3

◎ 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 %	Hardness HBW
d＜11mm	Annealing	≥740	≥540	in 2 in.[50 mm] or 4D ≥ 25	≤290
d ≥ 11mm	Annealing	≥680	≥480	in 2 in.[50 mm] or 4D ≥ 25	≤290

◎ d-diameter, t-thickness

Approximate Comparison Table Austenitic-Ferritic Stainless Steel

United States	International Organization for Standardization		European Standard
UNS	ISO	Numerical Grade	EN	Numerical Grade
S82441	X2CrNiMnMoCuN24-4-3-2	4662-824-41-X	X2CrNiMnMoCuN24-4-3-2	1.4662

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