JIS G3101 SS50 Introduce
The JIS G3101 SS50 steel is a popular steel material used for construction and engineering purposes. It is often used for structural components such as bridge beams, beam connections, and columns, as well as for mechanical components, pressure vessels, and shipbuilding. Because of its versatility, it has been used in a variety of applications across many different industries.
Smelting temperature:1153°C - 1731°C
Application:General structure rolling steel
JIS G3101 SS50 Material Mechanical Properties
JIS G3101 SS50 steel, like all steels, has a certain degree of resistance to weathering and corrosion. The degree of protection provided by the steel depends on the environmental conditions it is exposed to and the type of protective coating if any, that is applied to the steel. In areas with high levels of humidity and other environmental factors, regular maintenance is recommended to ensure the structural integrity of the steel.
The mechanical properties of the JIS G3101 SS50 steel are as follows:
| YieldRp0.2 | ≤ 913 (MPa) |
| TeileRm | ≤ 961 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 44% |
| Reduction in cross section on fractureZ | 44% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 444 |
JIS G3101 SS50 Material Thermal Properties
The thermal performance parameters of the JIS G3101 SS50 steel are as follows:
| Temperature (°C) | 14 | 965 | 817 |
| Modulus of elasticity (GPa) | - | 914 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 13.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 213 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 444 |
| Poisson’s coefficient, ν | - | - | 233 |
JIS G3101 SS50 Material Machining Technology
Coolant is also important when machining JIS G3101 SS50 steel in order to provide additional lubrication and reduce heat. The coolant should be used generously and allowed to run continuously during machining to ensure that the chips do not get stuck in the tool. The coolant should also be changed regularly in order to keep it effective for longer periods of time.