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Welded Pipe

Steel pipes are not only used to transport fluids and powdered solids, exchange heat, manufacture machinery parts and containers, but also an economical steel. It can reduce weight, save 20-40% of metal and realize industrialized mechanized construction. Making highway bridges with steel pipes can not only save steel and simplify construction, but also greatly reduce the area of protective coatings and save investment and maintenance costs.

Shape:
Thickness:
Color:
  • Q195-Q235, SS400, ST37-2, STK400, STK500
  • AIYIA GROUP

Welded Pipe 

inch

OD

ON

standard

grade

1/2”

21mm

15mm

GB/T3091-93-2008,
 ASTM A53BS1387-1985

Q195-Q235, SS400, ST37-2,
STK400, STK500, 16Mn

3/4”

26mm

20mm

1”

33mm

25mm

1-1/4”

42mm

32mm

1-1/2”

48mm

40mm

2”

60mm

50mm

2-1/2”

76(73)mm

65mm

3”

89mm

80mm

4”

114mm

100mm

5”

140mm

125mm

6”

165mm

150mm

8”

219mm

200mm

10”

273mm

250mm

12”

325mm

300mm

14”

377mm

350mm

16”

426mm

400mm

Welded pipe


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