JIS G3127 SL9N590 Introduce
JIS G3127, the Japanese Industrial Standard for cold-rolled steel products, is one of the most comprehensive and comprehensive standards in the world. It was established by the Japan Iron and Steel Federation (JISF) and applies to flat steel products such as strips, coils, and sheets used in various industrial applications. It includes not only standardized steel grades but also detailed information of required mechanical properties, manufacturing processes and product form for a range of applications.
Smelting temperature:1147°C - 1817°C
Application:Nickel steel plate for low temperature pressure vessel
JIS G3127 SL9N590 Material Chemical Composition
The chemical composition of the JIS G3127 SL9N590 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.3000 |
| Sulfur (S) | - | 0.0250 |
| PhOsphorus (P) | - | 0.0250 |
| Nickel (Ni) | 8.5000 | 9.5000 |
| Manganese (Mn) | - | 0.9000 |
| Carbon (C) | - | 0.1200 |
JIS G3127 SL9N590 Material Mechanical Properties
The mechanical properties of JIS G3127 SL9N590 are largely determined by its chemical composition. Due to its low carbon content, the steel displays excellent strength, toughness, good ductility, and excellent weldability. The combination of these features helps to make it an ideal choice for applications where high strength and low weld distortion are desired.
The mechanical properties of the JIS G3127 SL9N590 steel are as follows:
| YieldRp0.2 | ≤ 442 (MPa) |
| TeileRm | ≤ 248 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 42% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 214 |
JIS G3127 SL9N590 Material Thermal Properties
The thermal performance parameters of the JIS G3127 SL9N590 steel are as follows:
| Temperature (°C) | 12 | 784 | 635 |
| Modulus of elasticity (GPa) | - | 197 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 23 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 344 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 324 |
| Poisson’s coefficient, ν | - | - | 342 |
JIS G3127 SL9N590 Material Machining Technology
{standards} steel is an alloy steel produced by the Japanese Industrial Standards (JIS) group. It is one of their most widely used grade of steel and its use has been increasing in recent years. This alloy steel is composed of chromium, tungsten, cobalt, and molybdenum as its primary alloying elements, with additions of vanadium, silicon, and nickel as well. The steel has a good combination of strength and toughness and is most often used to make automotive components, piping and storage vessels, military equipment, and general machining applications.