Hot dipped galvanized steel pipe owns thicker zinc coating than pre galvanized pipe,black pipe will be dipped into zinc pool for galvanized.zinc coating 275-600gm2. It is Widely used in structure,  Medical equipment; Sport equipment.

Out diameter:21.3mm~406.4mm (1/2"~16")

Thickness:0.6mm~20mm

Materail:Q235/Q195/Q345/Q355/STK400/STK500

Standard:GB/T3091,BS1387-1985,DIN EN 10025,EN10219

Length:1.0-5.8/6/12m or as customer require

Delivery:5-25days

MOQ:5TONS