First. the domestic common steel plate brand

1. Q235 series: Q235A, Q235B, Q235C, Q235D, is a general steel plate, mainly used in construction, machinery manufacturing and other fields.

2. Q345 series: Q345A, Q345B, Q345C, Q345D, is a high quality low alloy structural steel plate, suitable for construction, Bridges, ships, oil pipelines and other fields.

3.08 series: 08AL, 08F, 08Yu, is the representative of cold rolled thin steel plate, mainly used in automobile manufacturing, home appliances, digital appliances and other fields.

4. 10 series: 10, 10Mn2, 15Cr, 20Cr, 20Mn2, etc., is the representative of cold rolled medium plate, widely used in construction, machinery manufacturing, automobile manufacturing and other fields.

5. 65Mn: 65Mn steel plate is a spring steel plate, suitable for automotive, machinery, batteries, electronics and other fields.

Second, foreign common steel plate grades

1. ASTM A36: It is an American standard general structural steel plate, suitable for construction, machinery manufacturing, Bridges, ships and other fields.

2. S235JR: is a European standard structural steel plate, suitable for construction, machinery manufacturing, Bridges and other fields.

3. SS400: is a Japanese standard general structural steel plate, suitable for construction, machinery manufacturing and other fields.

4. SPCC: It is a Japanese standard cold-rolled plate, which is suitable for home appliances, electronics, automobiles and other fields.

Three, the main material composition

The material composition of common steel plate grades is different, generally including carbon (C), silicon (Si), manganese (Mn), sulfur (S), phosphorus (P) and other elements, of which carbon is the main factor affecting the strength and hardness of steel plate