S355J0 is a European standard low-alloy high-strength structural steel plate, the implementation standard is EN10025. Among them, "S" represents structural steel, "355" represents its yield strength value of 355MPa, and "J0" refers to the impact energy test temperature of 0°C.
The specific chemical composition ratio of S355J0 is as follows:
| C |
Si |
Mn |
P |
S |
Cu |
| 0.12%~ 0.22% |
0.5%~ 1.0% |
1.6%~ 2.1% |
≤0.025% |
≤0.025% |
≤0.55% |
The characteristics of S355J0 steel plate are mainly reflected in the following aspects:
1. High strength: S355J0 steel plate has high yield strength and tensile strength. Its yield strength reaches more than 355MPa, and its tensile strength is between 470-630MPa, which can meet the material strength requirements of various complex projects.
2. Good toughness: This steel plate not only has high strength, but also has good impact toughness and bending properties, and can maintain stable performance in various complex environments.
3. Excellent welding performance: S355J0 steel plate has good welding performance and its low carbon equivalent reduces the risk of cracks during welding, making the steel plate perform particularly well in situations that require high-precision welding.
4. Good corrosion resistance: S355J0 steel plate also has certain corrosion resistance and wear resistance, which can maintain its stable performance for a long time and extend its service life.
5. Good processability: The steel plate is easy to process and form, and can be cut, bent, punched and other processing operations as needed, making it easy to use in various engineering projects.
The application range of S355J0 is very wide, mainly including the following fields: S355J0 is used in various building structures, such as high-rise buildings, factories, stadiums, etc. Used to make steel structure frames, beams, columns, floor slabs, etc. S355J0 is often used to make the main structure and deck pavement of pidges. S355J0 is used as a material for various mechanical parts and components, used in the manufacture of bearing seats, packets, robotic arms and other components, as well as various transmissions and mechanical devices. S355J0 is used to manufacture structures such as ship hulls and offshore platforms.
