ASTM A515 Grade 55 ASTM A515/A515M
Boiler and Pressure Vessel Steel Product Introduction
Our company has established long-term and stable cooperative relations with China Iron and Steel Association, Iron and Steel Association and iron and steel enterprises all over the year, ensuring the production of high-quality ASTM A515 Grade 55 ASTM A515/A515M steel and giving preferential prices. Our ASTM A515 Grade 55 ASTM A515/A515M steel products are exported to more than 70 countries and regions overseas and have received good reviews.
Application: Medium and high temperature pressure vessel plate, carbon steel.
Heat treated: 1212°C - 1441°C.
Boiler and Pressure Vessel Steel Product Details
ASTM A515 Grade 55 ASTM A515/A515M Chemical element
ASTM A515 Grade 55 ASTM A515/A515M is an alloy of iron and carbon and other elements. Because of its high tensile strength and low cost, it is a major component used in buildings, infrastructure, tools, ships, automobiles, machines, appliances. The ASTM A515 Grade 55 ASTM A515/A515M chemical composition determined by ladle analysis shall comply with the specified values of the following table.
| Element | Min | Max | Similar |
|---|---|---|---|
| Si | 0.1500 | 0.3000 | - |
| S | - | 0.0500 | - |
| P | - | 0.0400 | - |
| Mn | - | 0.9000 | - |
| C | - | 0.2000 | - |
ASTM A515 Grade 55 ASTM A515/A515M Mechanical properties
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 932 (≥) | 492 (≥) | 33 | 11 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 |
ASTM A515 Grade 55 ASTM A515/A515M Physical properties
Physical properties of ASTM A515 Grade 55 ASTM A515/A515M mainly cover modulus of elasticity, coefficient of thermal expansion, thermal conductivity, specific thermal capacity, electrical resistance value, density, poisson's ratio, etc.
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson's coefficient, ν |
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.31 | - | |||
| 984 | 925 | - | 23.3 | 322 | - | ||
| 455 | - | 34 | 33.2 | 333 | 234 |
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