ASTM A573 steel standard covers structural quality carbon manganese silicon steel plates in three tensile strength. There are A573 Grade 58, A573 Grade 65 and A573 Grade 70. The steel of A573Gr58 shall be made by one or more of the following processes as open hearth,basic oxygen or electric furnace. All these carbon steel plates are engineered to be used in structural steel applications.
ASTM A573 structural carbon steel plate specification
Thickness |
3mm-150mm |
|
Width |
1200mm-4200mm |
|
Length |
5000mm-18000mm |
|
Shapes |
Carbon steel plates, mild steel sheets, hot rolled coils |
|
Surface Treatment |
Shot blasting and painting or coated |
|
Process |
Cutting, welding, drilling, grinding, machining |
ASTM A573 chemical composition (%)
Element |
Grade 58 |
Grade 65 |
Grade 70 |
|
Carbon, ≤1/2" Thick |
0.23 |
0.24 |
0.27 |
|
Carbon, >1/2"-1 1/2" Thick |
0.23 |
0.26 |
0.28 |
|
Manganese |
0.60-0.90 |
0.85-1.20 |
0.85-1.20 |
|
Phosphorus Max. |
0.03 |
0.03 |
0.03 |
|
Sulfur Max. |
0.03 |
0.03 |
0.03 |
|
Silicon |
0.10-0.35 |
0.15-0.40 |
0.15-0.40 |
ASTM A573 carbon steel mechanical properties
Grade |
Yield Strength |
Tensile Strength |
Elongation min.% |
Elongation min.% |
|
A573 Grade 58 |
220[32] |
400-490 |
21 |
24 |
|
A573 Grade 65 |
240[35] |
450-530 |
20 |
23 |
|
A573 Grade 70 |
290[42] |
485-620 |
18 |
21 |
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ASTM A573 steel standard covers structural quality carbon manganese silicon steel plates in three tensile strength. There are A573 Grade 58, A573 Grade 65 and A573 Grade 70. The steel of A573Gr58 shall be made by one or more of the following processes as
About mechanical property for A573 Gr70 carbon steel plate,the minimum yield strength shall above 290 Mpa and tensile strength shall within 485-620 Mpa. A573 Gr 70 steel is widely used in high temperature applications, medical devices, building materials,