Introduction of common steel cold and hot rolling

Wire: 5.5-40 mm in diameter, coiled, all hot-rolled. After being cold drawn, it is a cold drawn material.

Round steel: except for the precision-sized bright material, it is generally hot-rolled, and there are also forged materials (with forging marks on the surface).

Strip steel: both hot-rolled and cold-rolled, cold-rolled products are generally thin.

Steel plates: cold rolled plates are generally thin, such as automotive plates; there are more hot rolled medium and thick plates, with similar thicknesses as cold rolled plates, and their appearance is obviously different.

Angle Steel: all are hot rolled.

Steel tube: welded hot rolled and cold drawn are available.

Channel steel and H-section steel: hot rolled.

Rebar: Hot rolled steel.

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