ASTM A506 E4340 Introduce
ASTM A506 E4340 steel is also highly resistant to corrosion. It contains a high-level of chromium and low levels of sulfur, which helps it resist rusting. This makes it an excellent choice for applications where saltwater or other corrosive materials are common, such as marine applications or coastal environments.
Smelting temperature:1354°C - 1942°C
Application:Hot-rolled and cold-rolled alloy steel sheets and strips of regular quality and high quality structure
ASTM A506 E4340 Material Mechanical Properties
The mechanical properties of the ASTM A506 E4340 steel are as follows:
| YieldRp0.2 | ≤ 949 (MPa) |
| TeileRm | ≤ 327 (MPa) |
| ImpactKV/Ku | 43(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 33% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 241 |
ASTM A506 E4340 Material Thermal Properties
The thermal performance parameters of the ASTM A506 E4340 steel are as follows:
| Temperature (°C) | 34 | 691 | 395 |
| Modulus of elasticity (GPa) | - | 814 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 11.3 | 11.2 |
| Specific thermal capacity (J/kg·°C) | - | 114 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.33 | - | - |
| Deity (kg/dm³) | - | - | 321 |
| Poisson’s coefficient, ν | - | - | 134 |
ASTM A506 E4340 Material Machining Technology
When machining ASTM A506 E4340 steel, there are certain effects that must be taken into consideration. The most common of these effects is the heat generated from the cutting process. Heat can cause the steel to weaken and distort its shape, so it should be monitored and managed throughout the machining process. It is also important to consider the amount of stress being placed on the steel when machining. This can lead to cracking and breakage if too much force is placed on the material when cutting.