ASTM A240/A240M Type 316H Introduce
The ASTM A240/A240M Type 316H steel is an incredibly versatile and economical metal that has been used in numerous industrial applications. It is suitable for a wide range of applications due to its unique properties which provide it with high strength and good corrosion resistance. It is also extremely ductile and malleable, which allows it to be easily formed into the desired shape and size. The ASTM A240/A240M Type 316H steel is available in various grades, sizes and shapes, making it an ideal choice for a wide range of industrial and construction applications.
Smelting temperature:1739°C - 1298°C
Application:Heat-resistant chrome and chrome-nickel stainless steel sheets, sheets and strips for pressure vessels
ASTM A240/A240M Type 316H Material Mechanical Properties
Due to the high chromium and nickel content, ASTM A240/A240M Type 316H steel is highly resistant to corrosion and has a high level of corrosion resistance over a wide range of corrosive environments. The molybdenum content improves the corrosion resistance of the steel and prevents pitting, crevice corrosion, and stress corrosion cracking.
The mechanical properties of the ASTM A240/A240M Type 316H steel are as follows:
| YieldRp0.2 | ≤ 412 (MPa) |
| TeileRm | ≤ 874 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 43% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 142 |
ASTM A240/A240M Type 316H Material Thermal Properties
The thermal performance parameters of the ASTM A240/A240M Type 316H steel are as follows:
| Temperature (°C) | 31 | 928 | 188 |
| Modulus of elasticity (GPa) | - | 683 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 14 |
| Thermal conductivity (W/m·°C) | - | 34.3 | 33.2 |
| Specific thermal capacity (J/kg·°C) | - | 333 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.41 | - | - |
| Deity (kg/dm³) | - | - | 331 |
| Poisson’s coefficient, ν | - | - | 141 |
ASTM A240/A240M Type 316H Material Machining Technology
When machining ASTM A240/A240M Type 316H 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.