pre-galvanized scaffolding tube/hot-dipped galvanized scaffolding tube
1. Standard: BS1139, EN39, EN10219, GB/T13793,JIS G3444
2. Out diameter: 27mm, 38mm, 42mm, 48.3-48.6mm
3. Wall thickness: 2.5mm, 2.75mm, 3.0mm, 3.25mm, 3.5mm, 3.75mm, 4.0mm.
4. Length: 5.8m, 6.0m, 6.4m, 6.5m,0.3-18m
5. Surface: black or galvanized.