JIS SM 50 B JIS G3106 low alloy steel
high strength low alloy structural steel Product Introduction
Welding JIS SM 50 B JIS G3106 is easy because it is highly weldable. The most common welding methods are arc welding, gas welding, and electric resistance welding. Preheat temperatures must be observed in order to prevent cracks, warping, and other defects. It is important to select the right filler material to ensure good welds. In general, low-hydrogen electrodes are recommended for welding JIS SM 50 B JIS G3106. The type of electrode and the size of the electrode should be selected carefully in order to achieve the desired results.
Our company has established long-term and stable cooperative relations with China Iron and Steel Association, Iron and Steel Association and iron and steel enterprises all over the year, ensuring the production of high-quality JIS SM 50 B JIS G3106 steel and giving preferential prices. Our JIS SM 50 B JIS G3106 steel products are exported to more than 70 countries and regions overseas and have received good reviews.
Application: Steel rolling stock for welded structure.
Heat treated: 1883°C - 1999°C.
high strength alloy steel Product Details
JIS SM 50 B JIS G3106 Chemical Element
For JIS SM 50 B JIS G3106 datasheet and JIS SM 50 B JIS G3106 chemical composition, please see the table below.
| Element | Min | Max | Similar |
|---|---|---|---|
| Si | - | 0.5500 | - |
| S | - | 0.0350 | - |
| P | - | 0.0350 | - |
| Mn | - | 1.6000 | - |
| C | - | 0.1800 | - |
JIS SM 50 B JIS G3106 Mechanical Properties
Yield strength is the yield limit of JIS SM 50 B JIS G3106 when yielding occurs, that is, the stress resisting micro-plastic deformation. The external force greater than the yield strength will make the JIS SM 50 B JIS G3106 parts permanent failure and unable to recover. Less than this, the JIS SM 50 B JIS G3106 parts will return to their original shape.
Tensile strength is the critical value of transition from uniform plastic deformation to locally concentrated plastic deformation. It is also the maximum load-carrying capacity of JIS SM 50 B JIS G3106 under static tension. Tensile strength is the resistance that characterizes the maximum uniform plastic deformation of JIS SM 50 B JIS G3106. The deformation of tensile specimens is uniform before they bear the maximum tensile stress, but beyond that, the JIS SM 50 B JIS G3106 begins to neck, i.e. concentrate deformation.
| 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) |
|---|---|---|---|---|---|---|
| 391 (≥) | 596 (≥) | 33 | 22 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 |
JIS SM 50 B JIS G3106 Physical Properties
The JIS SM 50 B JIS G3106 material physical properties shall comply with the values given in the following table.
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.34 | - | |||
| 347 | 448 | - | 22.3 | 213 | - | ||
| 171 | - | 31 | 44.2 | 113 | 224 |
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