GB/T 700 U12755 Introduce
GB/T 700 U12755 carbon structural steel is an excellent choice for a variety of engineering and construction applications due to its superior strength, formability and weldability. It is suitable for use in bridges, roads, ships and trains, and for equipment used in manufacturing, workshops, and other industrial applications. Its low cost makes it even more attractive, making it an economically viable option for many projects.
Smelting temperature:1699°C - 1694°C
Application:Carbon structural steels
GB/T 700 U12755 Material Mechanical Properties
GB/T 700 U12755 steel is an all-round steel used for various metal constructions in China. It has excellent mechanical properties, including yield strength, tensile strength, toughness, elongation, and even overall ductility.
The mechanical properties of the GB/T 700 U12755 steel are as follows:
| YieldRp0.2 | ≤ 522 (MPa) |
| TeileRm | ≤ 326 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 113 |
GB/T 700 U12755 Material Thermal Properties
The thermal performance parameters of the GB/T 700 U12755 steel are as follows:
| Temperature (°C) | 13 | 513 | 842 |
| Modulus of elasticity (GPa) | - | 448 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 11.3 | 11.2 |
| Specific thermal capacity (J/kg·°C) | - | 124 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.42 | - | - |
| Deity (kg/dm³) | - | - | 124 |
| Poisson’s coefficient, ν | - | - | 331 |
GB/T 700 U12755 Material Machining Technology
The types of cutting tools that are used to machine GB/T 700 U12755 steel will depend on the type of machining that is being done. Generally, the typical cutting tools that are used include twist drills, reamers, taps, and milling cutters, which can be made of high-speed steel, carbide, or cobalt. Another type of cutting tool that is often used for machining GB/T 700 U12755 steel is a side milling cutter.