What to do if SPCC sheet surfaces are easily scratched during processing?
A: Add a protective film during processing; ensure the mold surface is smooth and burr-free; wear gloves during operation to avoid contact with oil and sharp objects.
What problems might arise when using SPCC sheets in high-temperature environments?
A: High temperatures significantly reduce the strength and hardness of SPCC and may accelerate oxidation and corrosion, affecting service life and structural stability.
What are the effects of low-temperature environments on SPCC sheet performance?
A: Low temperatures reduce the toughness of SPCC, increase its brittleness, and make it prone to breakage upon impact. Proper insulation and protection are necessary.
What are the standard widths and roll weight ranges for SPCC sheets?
A: Width specifications cover 600-1500mm, and standard roll weights range from 7-15 tons, adaptable to different production line processing needs.
Why do some SPCC quality certificates only show tensile strength and not hardness values? A: The JIS standard provides corresponding references for tensile strength and hardness for SPCC with different tempering degrees. In practical applications, tensile strength is the core mechanical indicator. If hardness data is required, the conversion relationship in the standard appendix can be used for selection.