A283 Grade A steel plates furnished shall conform to the requirements of the current of specification a6/a6m. In the process, A283 Grade A shall be made by one or more of following processes: open hearth, basic oxygen or electric furnace.
A283 Grade A Chemical Composition
|
Grade |
The Element Max (%) |
|||||
|
C |
Si |
Mn |
P |
S |
Cu (min) |
|
|
A283 GR.A |
0.14 |
0.15-0.40 |
0.90 |
0.035 |
0.04 |
0.20 |
A283 Grade A Mechanical Property
| Grade |
Thickness |
Yield |
Tensile |
Elongation |
|
A283 GR.A |
mm |
Min Mpa |
Mpa |
Min % |
|
t≦50 |
310-415 |
165 |
30 |
|
|
50<t≦200 |
310-415 |
165 |
27 |
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