Specification :

Black Pipe / ERW Steel Pipe/ Galvanized Pipe

Out Diameter: 10.3mm - 406.4mm
Thickness: 0.6mm 20.0mm

Steel Grade: Q195-Q345, S235JR, S275JR, S355JR, Gr. B-D

Standard: GB/ T 3091-2001, BS1387-1985, DIN EN10025, EN10219, ASTM SCH40, ASTM SCH80

Surface Finish: hot dipped galvanized, electro galvanized, black

Out Diameter Wall Thickness
Inch mm
1/ 2 21.3mm 0.6mm-3.0mm

3/ 4 26.9mm 0.6mm-3.0mm
1 33.4mm 1.0mm-3.0mm
1-1/ 4 42.3mm 1.0mm-4.0mm
1-1/ 2 48.3mm 1.0mm-4.0mm
2 60.3mm 1.5mm-4.0mm
2-1/ 2 76.1mm 1.5mm-4.0mm
3 88.9mm 1.5mm-9.5mm
4 114.3mm 2.0mm-9.5mm
5 141.3mm 3.0mm-9.5mm
6 168.3mm 3.0mm-12.0mm
8 219.1mm 3.2mm-12.0mm
10 273mm 3.2mm-12.0mm
12 323.8mm 6.0mm-15.0mm
14 355.6mm 8.0mm-15.0mm
16 406.4mm 8.0mm-20.0mm
Note: Pre-galvanized round hollow section with OD 19mm-100mm and thickness 1mm-2.3mm are also available.The general length is 6 meter.

Our company, Changsha Xiangjia Metal Material Co., Ltd. was founded in the mid-1990s and has grown to be a leading enterprise characterizing both as a manufacturer and international trader of steel products in China.

We are specializing in producing and selling black pipes and galvanized pipes. We have devoted more than 35% resources to manufacture the pipes. We can delivery 1000 tons black pipes to Tianjin port within 7 days. If you need galvanized pipes, we can delivery 1000 tons pipes to Tianjin port within 10 days. We have 40 lines to produce pipes and 24 lines to produce the galvanized pipes. Our annual production capacity of the steel pipes can reach to 240, 000 tons.