S275JR steel plate material grade comparison and standard

The material grade comparison and standard of S275JR steel plate can be listed as follows:

1. American ASTM/AISI standard: ASTM A36
2. Chinese GB standard: Q235B
3. European EN standard: S275JR (equivalent to S275JR steel in EN 10025-2 standard)
4. Japanese JIS standard: SS400

These are some common material grades and standards corresponding to S275JR steel plates. In different countries and regions, there may be different naming and standard correspondence.

S275JR steel sheet is a commonly used structural steel material with the following outlined characteristics:

1. Material composition: S275JR steel plate is a carbon structural steel, its chemical composition usually contains low carbon content, manganese, silicon and phosphorus and other elements. For example, the carbon content is generally around 0.24%.

2. Mechanical properties: It has good mechanical properties, including tensile strength, yield strength and extensibility. It usually has some strength and plasticity and is suitable for a variety of structural engineering applications.

3. Standard specifications: meet the requirements of EN 10025-2 (European standard). Depending on the manufacturer and requirements, the thickness, width and length will vary.

4. Application field: S275JR steel plate is often used in construction, bridge, machinery manufacturing, automobile manufacturing and other fields, especially suitable for some structural projects requiring high strength and stability.

5. Processing performance: With good welding, cutting and cold forming processing performance, suitable for various forms of processing and connection.

6. Surface treatment: hot dip galvanizing, painting and other surface treatment can be carried out to increase corrosion resistance and aesthetics.

7. Quality control: Manufacturers usually strictly control product quality according to relevant standards to ensure compliance with standard requirements.

Overall, the S275JR steel sheet is a common and practical structural steel material that has a wide range of applications in construction and mechanical manufacturing.