ISO 3183 PSL2 Grade X70QO Introduce
ISO 3183 PSL2 Grade X70QO is a special type of steel known for its superior thermal properties. Its high melting point, thermal expansion, and thermal conductivity make it an ideal choice for engineering and construction needs. It is also resistant to temperature changes, making it suitable for use in a variety of environments. As a result, ISO 3183 PSL2 Grade X70QO is being used in a number of applications, from heavy machinery to aerospace.
Smelting temperature:1268°C - 1489°C
Application:Petroleum and natural gas industries -- Steel pipe for pipeline transportation systems
ISO 3183 PSL2 Grade X70QO Material Mechanical Properties
The mechanical properties of ISO 3183 PSL2 Grade X70QO are determined through the combination of chemistry, heat treatment, and mechanical processing. Generally speaking, the mechanical properties of ISO 3183 PSL2 Grade X70QO can be improved by increasing the levels of alloying elements, such as carbon and manganese. ISO 3183 PSL2 Grade X70QO is often classified as a medium carbon steel with a yield strength of at least 250 MPa (36 ksi). It is also classified as an alloy steel, which means it has a higher level of strength than low carbon steel and greater wear resistance than stainless steel. Generally, ISO 3183 PSL2 Grade X70QO has excellent weldability and is suitable for cold forming and bending.
The mechanical properties of the ISO 3183 PSL2 Grade X70QO steel are as follows:
| YieldRp0.2 | ≤ 515 (MPa) |
| TeileRm | ≤ 972 (MPa) |
| ImpactKV/Ku | 14(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 14% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 342 |
ISO 3183 PSL2 Grade X70QO Material Thermal Properties
The thermal performance parameters of the ISO 3183 PSL2 Grade X70QO steel are as follows:
| Temperature (°C) | 11 | 312 | 486 |
| Modulus of elasticity (GPa) | - | 132 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 24 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 44.2 |
| Specific thermal capacity (J/kg·°C) | - | 242 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 411 |
| Poisson’s coefficient, ν | - | - | 224 |
ISO 3183 PSL2 Grade X70QO Material Machining Technology
ISO 3183 PSL2 Grade X70QO is a specialized type of high-strength steel alloy constructed with a combination of chromium, manganese and molybdenum. ISO 3183 PSL2 Grade X70QO is highly malleable, making it suitable for a variety of machining operations. The machining of ISO 3183 PSL2 Grade X70QO is a complex process which can be carried out correctly and quickly to obtain a quality product.