ASTM A29/A29M 10L75 Introduce
ASTM A29/A29M 10L75 steel is a popular material choice among machine manufacturers due to its relative strength and ductility. It is an alloy of carbon and iron, and it has been used in machinery such as transmissions, gears, and bearings for many years. As with all metals, the mechanical properties of ASTM A29/A29M 10L75 steel depend on various factors, including composition, heat treatment, and other environmental conditions.
Smelting temperature:1345°C - 1128°C
Application:Hot forged and cold worked carbon steel and alloy steel rods
ASTM A29/A29M 10L75 Material Chemical Composition
The chemical composition of the ASTM A29/A29M 10L75 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Sulfur (S) | - | 0.0500 |
| Lead (Pb) | 0.1500 | 0.3500 |
| PhOsphorus (P) | - | 0.0400 |
| Manganese (Mn) | 0.4000 | 0.7000 |
| Copper (Cu) | 0.2000 | - |
| Carbon (C) | 0.7000 | 0.8000 |
ASTM A29/A29M 10L75 Material Mechanical Properties
Yield strength is the ability of a material to withstand stress without permanent deformation or cracking. The yield strength of ASTM A29/A29M 10L75 steel is typically between 250 and 400 MPa, depending on the grade of steel and the heat treatment. This strength provides a good balance of strength and ductility suitable for many applications.
The mechanical properties of the ASTM A29/A29M 10L75 steel are as follows:
| YieldRp0.2 | ≤ 291 (MPa) |
| TeileRm | ≤ 537 (MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 24% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 114 |
ASTM A29/A29M 10L75 Material Thermal Properties
The thermal performance parameters of the ASTM A29/A29M 10L75 steel are as follows:
| Temperature (°C) | 31 | 998 | 694 |
| Modulus of elasticity (GPa) | - | 753 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 23.2 |
| Specific thermal capacity (J/kg·°C) | - | 211 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.13 | - | - |
| Deity (kg/dm³) | - | - | 244 |
| Poisson’s coefficient, ν | - | - | 234 |
ASTM A29/A29M 10L75 Material Machining Technology
The cutting forces and heat generated during machining should be kept at a minimum to prevent part deformation. The use of moderate amounts of cutting fluid can help to reduce cutting forces and promote chip evacuation. It can also improve tool life by preventing wear and heat damage to the cutting edges.