ASME SA-29/SA-29M Grade 4621 Introduce
ASME SA-29/SA-29M Grade 4621 steel is one of the most widely used materials in the manufacturing industry due to its low cost and ease of use. The steel has been used for automotive, construction, building, industrial, and aerospace applications for decades. The mechanical properties of this material make it a preferred choice for various applications.
Smelting temperature:1773°C - 1866°C
Application:General requirements for hot working and cold finishing carbon steel and alloy steel bars
ASME SA-29/SA-29M Grade 4621 Material Mechanical Properties
The ductility of ASME SA-29/SA-29M Grade 4621 steel is also rated very highly. The steel exhibits good plasticity and can be bent, twisted, and stretched without failure. This makes it an ideal choice for applications that require parts to be formed and shaped. The impact resistance of ASME SA-29/SA-29M Grade 4621 steel is also noteworthy. The steel is capable of absorbing a high amount of energy before failure, making it an ideal choice for applications that require resistance to shock and vibration.
The mechanical properties of the ASME SA-29/SA-29M Grade 4621 steel are as follows:
| YieldRp0.2 | ≤ 242 (MPa) |
| TeileRm | ≤ 911 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 141 |
ASME SA-29/SA-29M Grade 4621 Material Thermal Properties
The thermal performance parameters of the ASME SA-29/SA-29M Grade 4621 steel are as follows:
| Temperature (°C) | 31 | 582 | 981 |
| Modulus of elasticity (GPa) | - | 219 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 31.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 422 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.33 | - | - |
| Deity (kg/dm³) | - | - | 224 |
| Poisson’s coefficient, ν | - | - | 433 |
ASME SA-29/SA-29M Grade 4621 Material Machining Technology
ASME SA-29/SA-29M Grade 4621 steel is a high-strength and low-alloy steel which is known for its exceptional weldability and toughness. It is a common choice for industries that require a combination of strength and durability, such as automotive and aerospace. The machining process is a crucial part of achieving the desired outcome with ASME SA-29/SA-29M Grade 4621 steel, as it helps to shape and optimize the material to the desired specifications.