4130 Carbon steel plate

The 4130 carbon steel plate is usually used in the quenched and tempered state. When the carbon content is at the lower limit, the steel can also be used as the carburized steel with higher central strength.

S355 Carbon steel plate

S355  Carbon steel plate is a carbon steel used in buildings, bridges, ships, vehicles and other structures, which must have a certain strength and require impact performance and welding performance when necessary.

ST12 Cold Rolled Steel Sheet

ST12 is German standard (DIN1623), It's ordinary cold rolled steel. In principle, ST12 can only be bent and formed, and no stamping is allowed.