Steel Standards
Below is a lists of the most common steel grades that are readily available in stock. Steel properties comparison is explained in the table on page 12.
1. Chinese Standard (GB)
¨ Carbon Structural Steel: Q235, Q275
¨ Low-Alloy High-Tensile Structural Steel: Q345, Q390, Q420, Q460, Q490
2. American Standard (ASTM)
¨ L290 or X42, L320 or X46, L360 or X52, L390 or X56, L415 or X65, L458 or X70
3. European Standard (EN)
¨ Hot Rolled Non-Alloyed Steel : S235JR, S235J0, S235J2, S275R, S275J0, S275J2, S355JR, S355J0, S355J2, S355K2, S450J0
4. Japanese Standard (JIS)
¨ General Structural Steel: SS400, SS490, SS540
1. Chinese Standard (GB)
¨ Carbon Structural Steel: Q235, Q275
¨ Low-Alloy High-Tensile Structural Steel: Q345, Q390, Q420, Q460, Q490
2. American Standard (ASTM)
¨ L290 or X42, L320 or X46, L360 or X52, L390 or X56, L415 or X65, L458 or X70
3. European Standard (EN)
¨ Hot Rolled Non-Alloyed Steel : S235JR, S235J0, S235J2, S275R, S275J0, S275J2, S355JR, S355J0, S355J2, S355K2, S450J0
4. Japanese Standard (JIS)
¨ General Structural Steel: SS400, SS490, SS540