JIS SB450M JIS G3103
Boiler and Pressure Vessel Steel Product Introduction
JIS SB450M JIS G3103 steel is not as brittle as many other steels due to its higher strength. The strength and hardness of the steel is increased by heat-treating, which makes it more suitable for use in applications with higher temperatures and pressures.
Our company is world class raw iron and steel materials supplier. JIS SB450M JIS G3103 is one of our main steel products. Other than fresh production, we also have large JIS G3103 stocks to meet urgent demands of clients. The JIS SB450M JIS G3103 is available in a variety of standard sizes and can also be customized according to customer needs. In addition, we provide processing services, such as: cutting, bending, drilling, welding and other processing services.
Application: Carbon steel and molybdenum alloy steel sheets for boilers and pressure vessels.
Heat treated: 1921°C - 1268°C.
Boiler and Pressure Vessel Steel Product Details
JIS SB450M JIS G3103 Chemical element
For JIS SB450M JIS G3103 datasheet and JIS SB450M JIS G3103 chemical composition, please see the table below.
| Element | Min | Max | Similar |
|---|---|---|---|
| V | - | 0.0300 | - |
| Ti | - | 0.0300 | - |
| Si | 0.1500 | 0.4000 | - |
| S | - | 0.0200 | - |
| P | - | 0.0200 | - |
| Ni | - | 0.4000 | - |
| Nb | - | 0.0200 | - |
| Mo | 0.4500 | 0.6000 | - |
| Mn | - | 0.9000 | - |
| Cu | - | 0.4000 | - |
| Cr | - | 0.3000 | - |
| C | - | 0.1800 | - |
| B | - | 0.0010 | - |
JIS SB450M JIS G3103 Mechanical properties
The JIS SB450M JIS G3103 material mechanical properties shall comply with the values given in the following table.
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 157 (≥) | 169 (≥) | 12 | 21 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 |
JIS SB450M JIS G3103 Physical properties
The physical properties of JIS SB450M JIS G3103 steel incorporate high quality, low weight, solidness, ductility and protection from erosion.
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson's coefficient, ν |
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.41 | - | |||
| 371 | 752 | - | 42.3 | 112 | - | ||
| 929 | - | 22 | 13.2 | 444 | 423 |
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