ASTM A240/A240M A240 S32101 Introduce
The ASTM A240/A240M A240 S32101 steel is widely used in a range of products and applications. Some of the common applications include refrigerators, tanks and boilers, pressure vessels, heat exchangers and chemical processing equipment. It is also used in structural and infrastructure projects such as bridges, buildings and other constructions.
Smelting temperature:1947°C - 1978°C
Application:Heat-resistant chrome and chrome-nickel stainless steel sheets, sheets and strips for pressure vessels
ASTM A240/A240M A240 S32101 Material Chemical Composition
The chemical composition of the ASTM A240/A240M A240 S32101 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 1.0000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0400 |
| Nickel (Ni) | 1.3500 | 1.7000 |
| Nitrogen (N) | 0.2000 | 0.2500 |
| Molybdenum (Mo) | 0.1000 | 0.8000 |
| Manganese (Mn) | 4.0000 | 6.0000 |
| Copper (Cu) | 0.1000 | 0.8000 |
| Chromium (Cr) | 21.0000 | 22.0000 |
| Carbon (C) | - | 0.0400 |
ASTM A240/A240M A240 S32101 Material Mechanical Properties
The mechanical properties of ASTM A240/A240M A240 S32101 steel can vary greatly depending on the cold working that has been applied to it. The tensile strength of the steel ranges from 515 MPa to 785 MPa, depending on the amount of cold working. The yield strength is also dependent on the amount of cold working, ranging from 275 MPa to 525 MPa. This steel is also very tough and resistant to stress corrosion cracking.
The mechanical properties of the ASTM A240/A240M A240 S32101 steel are as follows:
| YieldRp0.2 | ≤ 216 (MPa) |
| TeileRm | ≤ 123 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 24% |
| Reduction in cross section on fractureZ | 24% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 311 |
ASTM A240/A240M A240 S32101 Material Thermal Properties
The thermal performance parameters of the ASTM A240/A240M A240 S32101 steel are as follows:
| Temperature (°C) | 41 | 448 | 826 |
| Modulus of elasticity (GPa) | - | 146 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 23.3 | 33.2 |
| Specific thermal capacity (J/kg·°C) | - | 314 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.33 | - | - |
| Deity (kg/dm³) | - | - | 123 |
| Poisson’s coefficient, ν | - | - | 444 |
ASTM A240/A240M A240 S32101 Material Machining Technology
When machining ASTM A240/A240M A240 S32101 steel, chip formation should be monitored closely to ensure that no warping or surface defects occur. Chip breakers may be used to help reduce chip formation, while depth of cut, feed rate, and cutting speed should all be set to minimize the load applied to the tool.