The steel pipes are accoding to ASTM A53A, BS1387, JIS G3444 and related standars. The raw material is high quality Q235B or Q355B. Round, oval, sqaure and rectangular shapes are available. All can be done according to your demand. The anti-rusting surface can be galvanized, painting or powder coating. Both hot dipped galvanized and pre-galvanized are done depending on your using condition.
1/2" to 8"
16x16mm to 100x100mm square
They are scaffolding, structure, support purpose
The steel pipes tubes were soled to North America, Europe, Japn and Australia as the highlest quality.