ASTM A131/A131M Grade E Introduce
ASTM A131/A131M Grade E steel is an invaluable material for marine engineering, shipbuilding, and other water-based applications. Its chemical composition is tailored to its intended use, making it strong, corrosion-resistant, and weldable. This makes it an ideal building material for various applications.
Smelting temperature:1531°C - 1755°C
Application:Structural steel for seagoing
ASTM A131/A131M Grade E Material Mechanical Properties
ASTM A131/A131M Grade E steel is a special type of steel used in shipbuilding and marine engineering. This type of steel has a unique set of chemical and physical properties that make it an excellent choice for these applications. Many of its characteristics also make ASTM A131/A131M Grade E steel an appealing building material for other industries as well.
The mechanical properties of the ASTM A131/A131M Grade E steel are as follows:
YieldRp0.2 | ≤ 747 (MPa) |
TeileRm | ≤ 447 (MPa) |
ImpactKV/Ku | 21(J) |
ElongationA | 33% |
Reduction in cross section on fractureZ | 23% |
As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
Brinell hardness (HBW) | 121 |
ASTM A131/A131M Grade E Material Thermal Properties
The thermal performance parameters of the ASTM A131/A131M Grade E steel are as follows:
Temperature (°C) | 23 | 917 | 658 |
Modulus of elasticity (GPa) | - | 283 | - |
Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
Thermal conductivity (W/m·°C) | - | 21.3 | 31.2 |
Specific thermal capacity (J/kg·°C) | - | 243 | - |
Specific electrical resistivity (Ω mm²/m) | 0.31 | - | - |
Deity (kg/dm³) | - | - | 332 |
Poisson’s coefficient, ν | - | - | 412 |
ASTM A131/A131M Grade E Material Machining Technology
Drilling is another common operation used to form small holes in ASTM A131/A131M Grade E steel. A range of drill bits, such as twist drills, countersinks, and reamers can be used for this type of operation. Again, it is important to use the right type of cutting tool when drilling ASTM A131/A131M Grade E steel.