ASTM A240/A240M S30909 Introduce
The ASTM A240/A240M S30909 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:1788°C - 1745°C
Application:Heat-resistant chrome and chrome-nickel stainless steel sheets, sheets and strips for pressure vessels
ASTM A240/A240M S30909 Material Mechanical Properties
Impact strength is a measure of the ability of a material to absorb sudden impacts and shocks without breaking or deforming. This ASTM A240/A240M S30909 steel typically has a high impact strength, allowing it to withstand shocks and sudden impacts without sustaining any damage or deforming. High impact strength is essential for use in construction applications where it may encounter sudden forces or impacts.
The mechanical properties of the ASTM A240/A240M S30909 steel are as follows:
| YieldRp0.2 | ≤ 398 (MPa) |
| TeileRm | ≤ 515 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 14% |
| Reduction in cross section on fractureZ | 14% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 212 |
ASTM A240/A240M S30909 Material Thermal Properties
The thermal performance parameters of the ASTM A240/A240M S30909 steel are as follows:
| Temperature (°C) | 33 | 916 | 586 |
| Modulus of elasticity (GPa) | - | 617 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 41.3 | 32.2 |
| Specific thermal capacity (J/kg·°C) | - | 211 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.12 | - | - |
| Deity (kg/dm³) | - | - | 242 |
| Poisson’s coefficient, ν | - | - | 422 |
ASTM A240/A240M S30909 Material Machining Technology
Machining ASTM A240/A240M S30909 steel is a challenging process that requires special knowledge, tools, and techniques to achieve the desired result. The material is highly resistant to corrosion, making it an ideal choice for industries that require a durable and long-lasting machine part. However, due to its high temperature strength and low ductility, machining ASTM A240/A240M S30909 requires specialized tools and setup to achieve a successful outcome. With the proper tools and techniques, machining this material will be a much smoother and successful process with long lasting results.