Will drilling cause chipping?
A: Possibly; Solution: Use a sharp drill bit, appropriate speed and feed, use a backing plate for support, and deburr the hole edges before applying rust prevention.
Limitations on bending/rolling?
A: The minimum roll diameter is limited by thickness and hardness; it is difficult to form in a hard state, so it is recommended to anneal before rolling, and relieve stress after rolling.
Why is it prone to rusting?
A: Without a protective oxide film, the surface easily absorbs moisture and contaminants, and rusting is faster in humid/salt spray environments.
Factory rust prevention method?
A: Apply rust-preventive oil; storage and transportation require moisture protection, avoidance of salt spray, and avoidance of exposed storage and scratches.
Common surface treatment solutions?
A: Electro-galvanizing, hot-dip galvanizing, electrophoresis, spraying, passivation, phosphating; choose according to corrosion resistance requirements and cost.