ASTM A29/A29M A29 E52100 Introduce
ASTM A29/A29M A29 E52100 steel is a family of low alloy steels that are commonly used in the manufacture of mechanical components and parts. It is composed primarily of iron, with small amounts of other alloying elements such as manganese, silicon, and carbon. The low carbon content and tight control over chemical composition in ASTM A29/A29M A29 E52100 steel help to produce a very uniform, heat-treatable steel. The alloying elements and low carbon content also contribute to making ASTM A29/A29M A29 E52100 steel very ductile, strong, and resistant to wear and fatigue. ASTM A29/A29M A29 E52100 steel is widely used for applications that require superior mechanical properties, such as parts for machinery, automotive and aerospace applications.
Smelting temperature:1556°C - 1641°C
Application:Hot forged and cold worked carbon steel and alloy steel rods
ASTM A29/A29M A29 E52100 Material Chemical Composition
The chemical composition of the ASTM A29/A29M A29 E52100 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Chromium (Cr) | 1.3000 | 1.6000 |
| PhOsphorus (P) | - | 0.0250 |
| Sulfur (S) | - | 0.0250 |
| Manganese (Mn) | 0.2500 | 0.4500 |
| Silicon (Si) | 0.1500 | 0.3500 |
| Carbon (C) | 0.9800 | 1.1000 |
| Nickel (Ni) | - | 0.2500 |
| Molybdenum (Mo) | - | 0.0600 |
| Copper (Cu) | - | 0.3500 |
ASTM A29/A29M A29 E52100 Material Mechanical Properties
Elasticity, or the ability of a material to return to its original shape after being subjected to a load, is an important property of ASTM A29/A29M A29 E52100 steel. The elasticity of ASTM A29/A29M A29 E52100 steel depends on the grade of steel, the heat treatment, and the load applied; it typically ranges from 200 to 500 MPa.
The mechanical properties of the ASTM A29/A29M A29 E52100 steel are as follows:
| YieldRp0.2 | ≤ 173 (MPa) |
| TeileRm | ≤ 245 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 24% |
| Reduction in cross section on fractureZ | 22% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 132 |
ASTM A29/A29M A29 E52100 Material Thermal Properties
The thermal performance parameters of the ASTM A29/A29M A29 E52100 steel are as follows:
| Temperature (°C) | 31 | 242 | 774 |
| Modulus of elasticity (GPa) | - | 778 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 11.3 | 41.2 |
| Specific thermal capacity (J/kg·°C) | - | 313 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.44 | - | - |
| Deity (kg/dm³) | - | - | 213 |
| Poisson’s coefficient, ν | - | - | 231 |
ASTM A29/A29M A29 E52100 Material Machining Technology
When machining ASTM A29/A29M A29 E52100 steel, it is important to select the correct tooling for the job. High speed steel (HSS) and cobalt steel tools are the most commonly used for these materials. HSS tools that have been coated with titanium aluminum nitride (TiAlN) offer the best combination of cutting performance and tool wear resistance. For some operations, special-purpose cutting tools may be necessary in order to obtain the desired machining performance.