ASTM A240/A240M S43000 Introduce
ASTM A240/A240M S43000 is a valuable reference for anyone who has to procure stainless steel products for general and stress relieved pressure vessels. It also provides comprehensive product guidance and manufacturing instructions, making it an invaluable tool for engineers, quality control personnel, and stainless steel product manufacturers.
Smelting temperature:1347°C - 1177°C
Application:Heat-resistant chrome and chrome-nickel stainless steel sheets, sheets and strips for pressure vessels
ASTM A240/A240M S43000 Material Chemical Composition
The chemical composition of the ASTM A240/A240M S43000 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 1.0000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0400 |
| Nickel (Ni) | - | 0.7500 |
| Manganese (Mn) | - | 1.0000 |
| Chromium (Cr) | 16.0000 | 18.0000 |
| Carbon (C) | - | 0.1200 |
ASTM A240/A240M S43000 Material Mechanical Properties
Yield strength refers to the amount of force required to deform a material before it permanently deforms or changes shape. ASTM A240/A240M S43000 steel usually has a yield strength of about 30,000 psi and can be increased further through various treatments.
The mechanical properties of the ASTM A240/A240M S43000 steel are as follows:
| YieldRp0.2 | ≤ 441 (MPa) |
| TeileRm | ≤ 448 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 124 |
ASTM A240/A240M S43000 Material Thermal Properties
The thermal performance parameters of the ASTM A240/A240M S43000 steel are as follows:
| Temperature (°C) | 43 | 476 | 288 |
| Modulus of elasticity (GPa) | - | 827 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 24.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 224 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 123 |
| Poisson’s coefficient, ν | - | - | 214 |
ASTM A240/A240M S43000 Material Machining Technology
Machining ASTM A240/A240M S43000 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 S43000 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.