Tinplate Production Process

Tinplate starts as black plate. The line pickles, cold-rolls, anneals, flattens, trims, coats and cuts it. Standing inventory is 3,000–10,000 mt.

1. 1

   Pickling

   1 line

   To clean the raw materials.

   

2. 2

   Cold rolling

   5 lines

   To control the thickness.

   

3. 3

   Grinder for cold rollers

   5 sets

   To polish cold rolling rollers.

   

4. 4

   Cleaning and degreasing

   3 lines

   To clean the strip surface after cold rolling.

   

5. 5

   Batch annealing

   44 sets

   To control the temper.

   

6. 6

   Flattening

   3 lines

   To flatten the black plate.

   

7. 7

   Edge trimming

   4 lines

   To control the width. Black plate is finished after this process.

   

8. 8

   Coatings

   3 lines, on-line pinhole detector

   Coating, passivation and DOS oiling is finished here.

   

   

9. 9

   Cutting

   3 lines, on-line pinhole detector

   To control the cutting length.

   

10. 10

    Lamination

    To produce laminated steel.

    

11. 11

    Storage and dispatch

    Standing inventory: 3,000–10,000 mt

    All products are carefully packed and stored before shipment.

    

    

    

Related: Tinplate sheet · Tinplate coil