How is SPCC manufactured?
Hot-rolled coil → Pickling → Cold rolling → Annealing → Leveling → Oiling.
17. SPCC surface quality grades?
Ordinary (U)
Phosphating (P)
Chromate passivation (K)
18. SPCC dimensional accuracy?
Thickness tolerance within ±0.05mm, high flatness.
19. Common SPCC thickness?
0.2–3.2mm (commonly 0.5–2.0mm).
20. SPCC specific gravity/density?
7.85 g/cm³