1:Material Control 

1.1:Confirm Info ：

1.1.1:Check steel mill tag information ，

1.1.2:Check whether the information on the original steel tag is consistent with the incoming information :

Steel mill ,Material Code ,Furnace No. ,Weight ,Diameter

1.2 Size and appearance quality inspection :

1.2.1 Size :

Confirm Diameter tolerance levels comply with the requirements .

Confirm Roundness tolerance levels comply with the requirements .

1.2.2 Appearance ：

Check Rusting Level 

1.2.2 Physical and chemical propertie :

Cut :Cut Material Head and End ；

Coldupsetting Test :The material can not crack after pressing to 1/2 height ；

Heat erosion :No visible crack after corrosion by hydrochloric acid ；

1.2.3 Microstructure ：

To detect the chemical composition of incoming materials with spectrograph, it must meet the standard requirements 

1.3 Material Storage ：

Incoming material shall be properly stored after incoming inspection confirms that the product is qualified；

The storage location requires a pad to prevent wear and tear；

Different materials are divided into regions；

Avoid wear and tear of forklift rack and material during transportation；

Materials stacked to prevent high extrusion deformation of each other；

Material inspection before receiving.