SS540 is also the Japanese standard carbon steel plate, where "S" means steel, the second "S" means "structure", and "540" is the lower limit tensile strength of 400MPa, and the overall tensile strength is 540 MPa ordinary structural steel.
The chemical composition includes carbon C, silicon Si, manganese Mn, phosphorus P and sulfur S.
| C |
Si |
Mn |
P |
S |
| ≤0.22% |
≤0.35% |
≤1.40% |
≤0.045% |
≤0.050% |
The production method of SS540 mainly includes the following steps: smelting, rolling, heat treatment. After heat treatment, the SS540 carbon structural steel plate needs to be quality tested to ensure that its performance meets the requirements. Commonly used testing methods include tensile testing, etc.
The characteristics of SS540 are mainly reflected in the following aspects:
1. Strength and hardness: SS540 has high yield strength and tensile strength, and its lower limit of tensile strength is usually 540 MPa. This allows the SS540 to perform better when subjected to load.
2. Plasticity and toughness: SS540 has certain plasticity and toughness. This means that when subjected to external force, SS540 can deform to a certain extent without peaking easily, showing good impact and vipation resistance.
3. Weldability: SS540 has good weldability and can be connected with other metal materials through welding and other processes. This gives SS540 greater flexibility in the manufacturing process and can meet various complex structural design requirements.
4. Corrosion resistance: SS540 has good resistance to corrosion under general environmental conditions. However, for special environments or highly corrosive media, additional protective measures may be required.
5. Economy: As a carbon structural steel, SS540 is relatively low-priced and easy to process and manufacture. This makes SS540 have poad application prospects in construction, pidges, machinery manufacturing and other fields.
6. Processability: SS540 is easy to process and cut, and can be formed by cold processing, hot processing, etc. This allows the SS540 to be machined into various shapes and sizes as needed during the manufacturing process.
The application range of SS540 is very wide, mainly including the following fields: SS540 carbon structural steel plate is widely used in the field of machinery manufacturing to manufacture various parts, such as gears, shafts, packets, etc. In the construction field, SS540 carbon structural steel plates can be used to manufacture various structural parts, such as pidges, support structures of high-rise buildings, etc. SS540 is used to make steel structures, building frames, etc. SS540 carbon structural steel plate can be used to manufacture body, chassis and other components in the automotive field.
