Lloyds LR Type 455
shipbuilding steel plate Product Introduction
Lloyds LR Type 455 Material, LR Type 455 steel,LR Type 455 steel hardness, LR Type 455 plate weight, LR Type 455 plate size, LR Type 455 plate thickness, Lloyds LR Type 455 Germany DIN equivalent, Lloyds LR Type 455 steel manufacturer in China, Lloyds LR Type 455 steel mechanical properties, Lloyds LR Type 455 steel in Malaysia, Lloyds LR Type 455 steel in Dubai
Application: Alloy steel gear wheel and rim forgings.
Heat treated: 1658°C - 1686°C.
shipbuilding steel plate Product Details
Lloyds LR Type 455 Chemical element
Lloyds LR Type 455 chemical composition has significant on Lloyds LR Type 455 mechnical properties. Among all the Lloyds LR Type 455 elements. Carbon is hardening element. Silicon helps to strengthen the strength. Manganese is the important austenite stabilizing elements contribute to the formation of texture structure and increase the firmness, strength and wear resistance. Phosphorus reduces the plasticity and toughness and appearing cold brittleness. Meanwhile, It can significantly increase the strength of steel, and improve the atmospheric corrosion stability. Sulfur makes the hot brittleness of steel high.
| Element | Min | Max | Similar |
|---|---|---|---|
| Ni | 0.4000 | - | - |
| Mo | 0.1500 | - | - |
| Cr | 0.4000 | - | - |
| Cu | - | 0.3000 | - |
| P | - | 0.0350 | - |
| S | - | 0.0350 | - |
| Mn | 0.3000 | - | - |
| Si | - | 0.4500 | - |
| C | - | 0.4500 | - |
| Si | - | 0.4500 | - |
| S | - | 0.0350 | - |
| P | - | 0.0350 | - |
| Ni | 0.4000 | - | - |
| Mo | 0.1500 | - | - |
| Mn | 0.3000 | - | - |
| Cu | - | 0.3000 | - |
| Cr | 0.4000 | - | - |
| C | - | 0.4500 | - |
Lloyds LR Type 455 Mechanical properties
| 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) |
|---|---|---|---|---|---|---|
| 884 (≥) | 143 (≥) | 13 | 11 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 |
Lloyds LR Type 455 Physical properties
Physical performance parameters of Lloyds LR Type 455 are mainly indicated by density, poisson's ratio, thermal conductivity, specific thermal capacity, coefficient of thermal expansion, modulus of elasticity, electrical resistance value, etc.
| 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 |
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.33 | - | |||
| 962 | 975 | - | 11.3 | 214 | - | ||
| 395 | - | 41 | 22.2 | 122 | 232 |
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