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ASTM A240 904L stainless steel
ASTM A240 904L stainless steel
The “L” in 904L stands for Low Carbon, specifically, that carbon added to the alloy represents .03 percent or less. This means that 904L has very good welding properties. It is also an austenitic alloy, which means that a nonmagnetic solid solution of ferric carbide or carbon in iron is used to increase corrosion resistance.
ASTM A240 904L steel Chemical Composition:
Grade |
The Element Max (%) |
||||||
C |
Mn |
P |
S |
Si |
Cr |
Ni |
|
ASTM A240 904L |
0.020 |
2.0 |
0.045 |
0.035 |
1.0 |
19.0-23.0 |
23-38 |
Mo |
N |
Cu |
|||||
4.0-5.0 |
0.10 |
1.0-2.0 |
|||||
ASTM A240 904L steel Mechanical Property:
Grade |
ASTM A240 904L Mechanical Property |
||||
Yield |
Tensile |
Elongation |
Hardness, max |
||
ASTM A240 904L |
Min Mpa |
Mpa |
Min % |
Brinell |
Rockwell B |
220 |
490 |
35% |
90 |
||
The chemical processing industry makes extensive use of 904L stainless steel due to its broad corrosion resistance.