PROCESS
PROCESS
01
Master hoops
in coils
Selection of Grade and Thickness of base metal according to conditions specified by user for finish processed.
Q.C. Check Point / Example
- Selection of Grade and Thickness of base metal according to conditions specified by user for finish processed.
- In case of SAE-1065, 1.00 mm in final product. base metal
02
Slitting
Slitting-Check on surface and Thickness
Q.C. Check Point / Example
- Check on surface and Thickness
- Tolerance of base metal: Within ±0.05mm
03
Rolling
Rolling – Check on Thickness
Q.C. Check Point / Example
- Check on Thickness
- Within ±0.03mm
04
Annealing
Annealing- Check on Hardness
Q.C. Check Point / Example
- Check on Hardness
- HV 170 Max.
- Microscopic Test
- Uniform structure
04-01
Rolling
Rolling – Check on Thickness
Q.C. Check Point / Example
- Check on Thickness
- Within ±0.03mm
04-02
Annealing
Annealing- Check on Hardness
Q.C. Check Point / Example
- Check on Hardness
- HV 170 Max.
- Microscopic Test
- Uniform structure
05
Complacence
Complacence – Good Job
Q.C. Check Point / Example