ASTM A29/A29M A29 15L66 Introduce
ASTM A29/A29M A29 15L66 steel is an alloy steel made up of iron, carbon, and other alloying elements. It has superior ductility, high tensile strength, hardness, toughness, and wear resistance. It is designed to meet a wide range of applications in the industrial, automotive, and aerospace industries.
Smelting temperature:1167°C - 1722°C
Application:Hot forged and cold worked carbon steel and alloy steel rods
ASTM A29/A29M A29 15L66 Material Mechanical Properties
Tensile strength is the maximum stress that a material can withstand without failure or permanent deformation. ASTM A29/A29M A29 15L66 steel typically has a tensile strength between 400 and 600 MPa, depending on the grade of steel and the heat treatment.
The mechanical properties of the ASTM A29/A29M A29 15L66 steel are as follows:
| YieldRp0.2 | ≤ 936 (MPa) |
| TeileRm | ≤ 941 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 14% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 214 |
ASTM A29/A29M A29 15L66 Material Thermal Properties
The thermal performance parameters of the ASTM A29/A29M A29 15L66 steel are as follows:
| Temperature (°C) | 31 | 467 | 768 |
| Modulus of elasticity (GPa) | - | 639 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 24 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 11.2 |
| Specific thermal capacity (J/kg·°C) | - | 313 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.41 | - | - |
| Deity (kg/dm³) | - | - | 311 |
| Poisson’s coefficient, ν | - | - | 313 |
ASTM A29/A29M A29 15L66 Material Machining Technology
ASTM A29/A29M A29 15L66 steel is an easy material to machine, but certain steps must be taken to ensure the final product meets the customer's requirements. The correct tooling and cutting strategies must be used in order to minimize wear, cutting forces, and heat generation in the cutting zone.