ASTM A29/A29M 5135 Introduce
ASTM A29/A29M 5135 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:1123°C - 1795°C
Application:Hot forged and cold worked carbon steel and alloy steel rods
ASTM A29/A29M 5135 Material Chemical Composition
The chemical composition of the ASTM A29/A29M 5135 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Chromium (Cr) | 0.8000 | 1.0500 |
| PhOsphorus (P) | - | 0.0350 |
| Sulfur (S) | - | 0.0400 |
| Manganese (Mn) | 0.6000 | 0.8000 |
| Silicon (Si) | 0.1500 | 0.3500 |
| Carbon (C) | 0.3300 | 0.3800 |
| Nickel (Ni) | - | 0.2500 |
| Molybdenum (Mo) | - | 0.0600 |
| Copper (Cu) | - | 0.3500 |
ASTM A29/A29M 5135 Material Mechanical Properties
Tensile strength is the maximum stress that a material can withstand without failure or permanent deformation. ASTM A29/A29M 5135 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 5135 steel are as follows:
| YieldRp0.2 | ≤ 961 (MPa) |
| TeileRm | ≤ 394 (MPa) |
| ImpactKV/Ku | 14(J) |
| ElongationA | 42% |
| Reduction in cross section on fractureZ | 42% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 421 |
ASTM A29/A29M 5135 Material Thermal Properties
The thermal performance parameters of the ASTM A29/A29M 5135 steel are as follows:
| Temperature (°C) | 24 | 175 | 333 |
| Modulus of elasticity (GPa) | - | 149 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 41 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 33.2 |
| Specific thermal capacity (J/kg·°C) | - | 113 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.21 | - | - |
| Deity (kg/dm³) | - | - | 244 |
| Poisson’s coefficient, ν | - | - | 324 |
ASTM A29/A29M 5135 Material Machining Technology
ASTM A29/A29M 5135 steel is extremely versatile, which is why it is frequently used in machining processes. The machining of ASTM A29/A29M 5135 steel requires the use of high speed steel, cobalt steel, and high performance cutting tools which is why it is important to understand the machining behaviors of this material in order to obtain the best part quality and productivity.