Q: What processing techniques are suitable for SPCC?
A: Suitable for bending, stamping, shearing, simple stretching, and arc welding/resistance welding. Not suitable for high-strength structural parts.
Q: How to avoid cracking and springback during bending?
A: Bending radius ≥ 1.0t (t is plate thickness), low-speed bending, annealing pretreatment, and adjusting die clearance if necessary to reduce springback.
Q: Welding precautions for SPCC?
A: Use low-carbon welding wire/electrode, control heat input to prevent deformation, lightly grind after welding, and in humid environments, pre-weld rust removal and post-weld rust prevention are required.
Q: Common defects and countermeasures during stamping?
A: Cracking → increase fillet radius, optimize lubrication; wrinkling → adjust blank holder force; scratches → check die surface finish, improve conveyor protection.
Q: Typical application areas of SPCC?
A: Automotive body panels, appliance housings, furniture accessories, instrument housings, hardware stamping parts, etc.