ASTM A515 Grade 60
ASTM A515 Grade 60 introduction
Steel for pressure vessels and boilers differ from other carbon-manganese structural steels due to their high resistance to pressure at all temperatures (ambient, low or high).
The fundamental property of steels for pressure vessels is their ability to withstand high pressure at different temperatures. They have good weldability, as well as excellent toughness, and are suitable for normalisation annealing and stress-relief annealing (both treatments neutralise local hardening caused by welding).
ASTM A515 Grade 60 general
| Property |
Value |
Comment |
| Elongation |
Elongation of 21 % |
min. | for thickness 5-80 mm | A8 | Transverse |
| - |
Elongation of 25 % |
min. | for thickness 5-80 mm | A2 | Transverse |
| Tensile strength |
Tensile strength of 415 - 550 MPa |
for thickness 5-80 mm | Transverse |
| Yield strength |
Yield strength of 220 MPa |
min. | for thickness 5-80 mm | Transverse |
ASTM A515 Grade 60 chemical
| Property |
Value |
Comment |
| Carbon |
Carbon of 0.24 % |
max. | for thickness 5-25 mm |
| - |
Carbon of 0.27 % |
max. | for thickness 25-50 mm |
| - |
Carbon of 0.29 % |
max. | for thickness 50-80 mm |
| Manganese |
Manganese of 0.9 % |
max. | for thickness 5-80 mm |
| Phosphorus |
Phosphorus of 0.025 % |
max. | for thickness 5-80 mm |
| Silicon |
Silicon of 0.15 - 0.4 % |
for thickness 5-80 mm |
| Sulfur |
Sulfur of 0.025 % |
max. | for thickness 5-80 mm |
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