ASTM A516 Grade 55 is a low-carbon steel plate material specified for use in welded pressure vessels for moderate and lower temperature service, known for its excellent weldability and toughness.
Chemical Composition of ASTM A516 Gr 55
The ASTM A516 Gr 55 steel plate chemical composition is optimized for weldability and performance in low-pressure environments.
|
Grade |
Thickness (mm) |
C (Max %) |
Si (Max %) |
Mn (Max %) |
P (Max %) |
S (Max %) |
|---|---|---|---|---|---|---|
|
A516 Gr 55 |
<12.5 |
0.18 |
0.13-0.45 |
0.55-0.98 |
0.035 |
0.035 |
|
A516 Gr 55 |
12.5-50 |
0.20 |
0.13-0.45 |
0.55-0.98 |
0.035 |
0.035 |
|
A516 Gr 55 |
50-100 |
0.22 |
0.13-0.45 |
0.55-0.98 |
0.035 |
0.035 |
|
A516 Gr 55 |
100-200 |
0.24 |
0.13-0.45 |
0.55-0.98 |
0.035 |
0.035 |
| ASTM A516 | Tensile Strength(MPa) | Minimum yieldstrength (MPa) | Minimum elongation (%) In agauge length of: | |
|---|---|---|---|---|
| 50mm | 200mm | |||
| Grade 55 | 380-515 | 205 | 23 | 27 |
|
Grade |
Thickness (mm) |
Yield Strength (Min MPa) |
Tensile Strength (MPa) |
Elongation (Min %) |
|---|---|---|---|---|
|
A516 Gr 55 |
6-40 |
205 |
380-515 |
27% |
|
A516 Gr 55 |
40-100 |
205 |
380-515 |
23% |
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