ASME SA-29/SA-29M Grade 4161 Introduce
ASME SA-29/SA-29M Grade 4161 is an excellent carbon steel grade, with some of the best thermal properties in its class. It is particularly suitable for use in high-temperature applications, as it is able to resist temperatures up to 900°C and also has excellent thermal conductivity and expansion properties. As such, it is widely used in the aerospace, automotive and piping industries.
Smelting temperature:1725°C - 1673°C
Application:General requirements for hot working and cold finishing carbon steel and alloy steel bars
ASME SA-29/SA-29M Grade 4161 Material Mechanical Properties
ASME SA-29/SA-29M Grade 4161 steel has many desirable mechanical properties, including high strength, good ductility, and excellent impact resistance. The tensile strength of ASME SA-29/SA-29M Grade 4161 steel is specified as a minimum of 85,000 psi. This is considered a high strength steel, making it a great choice for applications that require parts that are strong and can withstand high levels of stress.
The mechanical properties of the ASME SA-29/SA-29M Grade 4161 steel are as follows:
| YieldRp0.2 | ≤ 721 (MPa) |
| TeileRm | ≤ 739 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 413 |
ASME SA-29/SA-29M Grade 4161 Material Thermal Properties
The thermal performance parameters of the ASME SA-29/SA-29M Grade 4161 steel are as follows:
| Temperature (°C) | 41 | 126 | 114 |
| Modulus of elasticity (GPa) | - | 539 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 33.3 | 24.2 |
| Specific thermal capacity (J/kg·°C) | - | 141 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.44 | - | - |
| Deity (kg/dm³) | - | - | 143 |
| Poisson’s coefficient, ν | - | - | 223 |
ASME SA-29/SA-29M Grade 4161 Material Machining Technology
ASME SA-29/SA-29M Grade 4161 steel is a high-strength, low-alloy steel carburized. It is one of the primary choices when it comes to carburizing steel. The material is composed of a combination of iron, chromium, vanadium, and molybdenum. It is also a low-cost and easily worked material, making it an ideal choice for a variety of applications.