4.2　Process

4.2.1　The production of cold rolled strip shall follow the processes below:

4.2.2　The production of coated/plated cold rolled strip shall follow the processes below:

4.3.1　The type selection of production lines shall be made in compliance with the relevant requirements in the current national standards GB 50629 Code for Design of Strip Rolling Process，GB 50713 Code for Design of Strip Finishing Process and GB 50486 Code for Design of Industrial Furnace in Iron and Steel Plant.

4.3.2　The type，lifting capacity，work class and control mode of cranes shall be selected in accordance with production and process requirements.

4.3.3　The crane should be equipped with maintenance hoist and maintenance platform.