Product Knowledge of 304 Stainless Steel Square Tube

Q1: What are the common specifications of 304 stainless steel square tube for foreign trade?

A1: The common specifications are 20×20×1.5mm, 30×30×2mm, 40×40×2.5mm, 50×50×3mm, etc. The length is usually 6 meters, and customized lengths (3-12 meters) are available. The maximum side length can reach 200mm.

Q2: What is the difference between welded and seamless 304 stainless steel square tubes?

A2: Welded square tubes are made by welding steel plates, with welds, low price and complete specifications, suitable for decoration and low-pressure scenarios; seamless square tubes are made by seamless process, no welds, high strength and pressure-bearing capacity, suitable for high-pressure and industrial scenarios.

Q3: Can 304 stainless steel square tube be used for outdoor decoration?

A3: Yes, it is very suitable for outdoor decoration such as building guardrails, handrails, billboard frames and scenic spot pavilions. It can resist atmospheric, rainwater and dust corrosion, and has a service life of more than 30 years without rust.

Q4: What is the welding performance of 304 stainless steel square tube?

A4: It has excellent welding performance, and can be welded by argon arc welding, electric arc welding and other methods. The welding joint is firm and smooth, and the corrosion resistance is close to the base metal, which is suitable for on-site installation and welding.

Q5: What is the packaging requirement for 304 stainless steel square tube in foreign trade?

A5: It is packaged with pearl cotton + non-woven fabric, and then fixed with steel strips on a wooden pallet. The surface is covered with moisture-proof film to prevent scratches and rust during transportation. Each package is marked with specifications and quantity.