ASTM A240 S31803 belong to standard
ASTM A240/A240M, which specification covers chromium, chromium-nickel, and chromium-manganese-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications.
All requirements for orders for ASTM A240 S31803 orders should be furnished under ASTM A240/A240M shall conform to the appli- cable requirements of the current edition of Specification A 480/A 480M.
ASTM A240 S31803 chemical composition
|
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
N |
|
A240 S31803 |
0.03 |
2.0 |
0.03 |
0.02 |
1.0 |
21.0-23.0 |
4.5-6.5 |
2.5-3.5 |
0.08-0.20 |
ASTM A240 S31803 mechanical properties
|
Grade |
Tensile strength, min Mpa |
Yield strength, min Mpa |
Elongation in 2 in % |
Hardness, max |
|
Brinell |
Rockwell B |
|
A240 S31803 |
620 |
450 |
25 |
293 |
31 |
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