ASTM A131 Grade A ASTM A131/A131M Introduction
Given its superior physical characteristics, ASTM A131 Grade A ASTM A131/A131M steel is used in a variety of applications in the military, oil and gas, and civil engineering. It is used to fabricate ships and other naval vessels; offshore support vessels; barges; and containment vessels. In oil and gas, the steel is used in downhole energy production and pipeline systems. ASTM A131 Grade A ASTM A131/A131M steel is also used in wind energy projects, transmission towers, and substation infrastructure.
Our company has steel products billets, steel products, hot-rolled sheets, cold-drawn sheets, seamless steel pipes, steel bars and other products. ASTM A131 Grade A ASTM A131/A131M has a good reputation in the market, high-quality products, and thoughtful service in the steel industry. ASTM A131 Grade A ASTM A131/A131M has complete specifications, and the products are widely used in aerospace, petrochemical, and construction projects, with low requirements for products, easy processing and low dimensional accuracy requirements. And provide cutting, bending, welding, drilling, and other processing services.
Application: Structural steel for seagoing.
Heat treated: 1373°C - 1769°C.
ASTM A131 Grade A ASTM A131/A131M Chemical Element
What is the chemical composition of ASTM A131 Grade A ASTM A131/A131M? For ASTM A131 Grade A ASTM A131/A131M element content, please contact us.
| Element | Min | Max | Similar |
|---|---|---|---|
| Si | - | 0.5000 | - |
| S | - | 0.0350 | - |
| P | - | 0.0350 | - |
| Ni | - | 0.0200 | - |
| Mo | - | 0.0200 | - |
| Mn | - | - | - |
| Cu | - | 0.0200 | - |
| Cr | - | 0.0200 | - |
| C+Mn/6 | - | 0.4000 | - |
| C | - | 0.2100 | - |
| Al | 0.0150 | - | - |
ASTM A131 Grade A ASTM A131/A131M Mechanical Properties
ASTM A131 Grade A ASTM A131/A131M steel is fabricated in either the hot or cold rolling process. Hot rolling involves shaping the steel at high temperatures, which ensures that the steel retains its strength and shape. Cold rolling uses a lower temperature to shape the steel and produces a higher-quality product with greater accuracy in shape and thickness.
More detailed information about ASTM A131 Grade A ASTM A131/A131M steel Mechanical Properties, please refer to the following table:
| 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) |
|---|---|---|---|---|---|---|
| 638 (≥) | 495 (≥) | 41 | 31 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 |
ASTM A131 Grade A ASTM A131/A131M Physical Properties
The physical properties of ASTM A131 Grade A ASTM A131/A131M include high strength, low weight, durability, ductility and resistance to corrosion. Steel, as we all know, offers great strength though it is light in weight. In fact, the ratio of strength to weight for steel is the lowest than any other building material available to us.
| 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 |
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.31 | - | |||
| 439 | 454 | - | 22.3 | 342 | - | ||
| 761 | - | 34 | 41.2 | 142 | 334 |
