JIS G3101 SS330 Introduce
JIS G3101 is a Japanese steel standard used for industrial and construction applications. This steel is notable for its combination of high strength, excellent weldability and good formability. Production of the steel is done primarily through hot-rolling, cold-rolling and extrusion processes. The steel has a wide variety of chemical and mechanical properties that make it suitable for a wide range of construction applications.
Smelting temperature:1632°C - 1346°C
Application:General structure rolling steel
JIS G3101 SS330 Material Chemical Composition
The chemical composition of the JIS G3101 SS330 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Sulfur (S) | - | 0.0500 |
| PhOsphorus (P) | - | 0.0500 |
JIS G3101 SS330 Material Mechanical Properties
The mechanical properties of JIS G3101 SS330 steel can vary depending on the grade and thickness of the material. The chemical composition, yield strength, tensile strength, elongation, impact test values and corrosion/weathering resistance of this steel are all important considerations when assessing its suitability for use in a project.
The mechanical properties of the JIS G3101 SS330 steel are as follows:
| YieldRp0.2 | ≤ 479 (MPa) |
| TeileRm | ≤ 246 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 13% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 141 |
JIS G3101 SS330 Material Thermal Properties
The thermal performance parameters of the JIS G3101 SS330 steel are as follows:
| Temperature (°C) | 42 | 678 | 482 |
| Modulus of elasticity (GPa) | - | 319 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 33.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 212 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 443 |
| Poisson’s coefficient, ν | - | - | 314 |
JIS G3101 SS330 Material Machining Technology
JIS G3101 SS330 steel is a type of low-alloy structural steel. It is specifically designed for welded structures, bridges, ships, and other large structures and is a high-strength material with excellent weldability properties. It is also important to know that JIS G3101 SS330 steel needs to be machined correctly in order to achieve the desired performance and operational characteristics. Machining JIS G3101 SS330 steel can be challenging due to its high strength and toughness. Therefore, it is important to have a good understanding of the machining process, the tools and techniques required, and the best practices for successful machining of JIS G3101 SS330 steel.