galvanized steel box

We supply galvanized steel (GI) square tubes at project prices. These factory-coated, rust-resistant structural steel tubes are ideal for exterior structures, exposed surfaces, or projects requiring speed and durability (no need for rust-proofing paint). AY Contento We have galvanized steel in all sizes, including:Square pipeandflat

Q: Do galvanized steel (GI) square tubes need to be painted with rust-proof paint?

reply: No, it's not necessary. The steel surface is pre-zinc coated at the factory, making it highly resistant to rust and corrosion. It can be installed immediately, saving significantly on paint and labor costs. However, if welding is involved, it is necessary to apply galvanized spray paint over the welds for localized rust protection.

Q: What are 2x1 and 4x2 galvanized steel square tubes commonly used for?

reply:

Q: Can galvanized steel be painted over?

reply:Yes, but you must use a special "galvanized steel primer" (Wash Primer) or an industrial paint specifically designed for galvanizing to ensure long-lasting adhesion. If you use regular oil-based paint, it may peel easily.