ASME SA-29/SA-29M 1140 Introduce
ASME SA-29/SA-29M 1140 steel has several advantageous properties that make it suitable for various applications. It is strong, yet ductile and malleable, making it suitable for a variety of parts needing to handle high pressure or vibration. Additionally, it offers excellent resistance to both corrosion and wear, making it suitable for outdoor applications.
Smelting temperature:1579°C - 1935°C
Application:General requirements for hot working and cold finishing carbon steel and alloy steel bars
ASME SA-29/SA-29M 1140 Material Chemical Composition
The chemical composition of the ASME SA-29/SA-29M 1140 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Sulfur (S) | 0.0800 | 0.1300 |
| PhOsphorus (P) | - | 0.0400 |
| Manganese (Mn) | 0.7000 | 1.0000 |
| Carbon (C) | 0.3700 | 0.4400 |
ASME SA-29/SA-29M 1140 Material Mechanical Properties
ASME SA-29/SA-29M 1140 steel has many desirable mechanical properties, including high strength, good ductility, and excellent impact resistance. The tensile strength of ASME SA-29/SA-29M 1140 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 1140 steel are as follows:
| YieldRp0.2 | ≤ 148 (MPa) |
| TeileRm | ≤ 262 (MPa) |
| ImpactKV/Ku | 21(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 14% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 433 |
ASME SA-29/SA-29M 1140 Material Thermal Properties
The thermal performance parameters of the ASME SA-29/SA-29M 1140 steel are as follows:
| Temperature (°C) | 21 | 737 | 544 |
| Modulus of elasticity (GPa) | - | 626 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 23 |
| Thermal conductivity (W/m·°C) | - | 31.3 | 41.2 |
| Specific thermal capacity (J/kg·°C) | - | 132 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 134 |
| Poisson’s coefficient, ν | - | - | 434 |
ASME SA-29/SA-29M 1140 Material Machining Technology
ASME SA-29/SA-29M 1140 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.