JIS G3445 STKM13C Introduce
The introduction of the JIS G3445 steel standard has revolutionized the steel engineering industry by providing a unified set of standards for the manufacturing and processing of cold rolled steel tubes. It provides guidance and specifications for different materials and operations, as well as testing and inspection requirements, which helps to ensure that the produced steel tubes are of a high quality and meet the required safety and performance standards. Overall, the JIS G3445 steel standard has been of tremendous benefit to the steel engineering industry and has improved the quality of steel tubes produced.
Smelting temperature:1173°C - 1836°C
Application:Carbon steel pipe for mechanical structure
JIS G3445 STKM13C Material Mechanical Properties
JIS G3445 STKM13C steel is a popular choice for many industrial applications due to its excellent performance characteristics. It has a carbon content of 0.6 - 0.9%, which makes it a medium carbon steel, and it exhibits well-balanced strength, ductility, weldability, fatigue resistance, and corrosion resistance. The alloy is also relatively easy to heat-treat, making it suitable for many types of applications. It is also known to have cost-effectiveness, making it a cost-efficient choice for many applications.
The mechanical properties of the JIS G3445 STKM13C steel are as follows:
| YieldRp0.2 | ≤ 295 (MPa) |
| TeileRm | ≤ 736 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 42% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 241 |
JIS G3445 STKM13C Material Thermal Properties
The thermal performance parameters of the JIS G3445 STKM13C steel are as follows:
| Temperature (°C) | 11 | 769 | 248 |
| Modulus of elasticity (GPa) | - | 712 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 41 |
| Thermal conductivity (W/m·°C) | - | 21.3 | 44.2 |
| Specific thermal capacity (J/kg·°C) | - | 331 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.21 | - | - |
| Deity (kg/dm³) | - | - | 242 |
| Poisson’s coefficient, ν | - | - | 243 |
JIS G3445 STKM13C Material Machining Technology
JIS G3445 STKM13C steel is a widely used specification for tubing. It is machined through a number of different operations, with the end use determining the specific operations employed. The cutting parameters must be set correctly and the tools must be of the correct type and quality. Additionally, appropriate practices must be employed to prevent common problems such as tool wear and overheating. With the correct tools and parameters, JIS G3445 STKM13C steel can be machined successfully and with good accuracy.