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  • Boier tube,Alloy steel pipe,ASTM A106 steel pipe
  • Boier tube,Alloy steel pipe,ASTM A106 steel pipe
  • Boier tube,Alloy steel pipe,ASTM A106 steel pipe
  • Boier tube,Alloy steel pipe,ASTM A106 steel pipe

Galvanized Steel Pipe

Category : Coating Steel Pipe

size:Outside diameter:Round pipe: 17mm-273mm

square pipe:15mm x 15mm - 400mm x 400mmRectangular pipe: 10mm x 20mm -200mm x 400mmwall thickness:

Round pipe: 0.6mm-12mmsquare pipe:0.6mm-20mmRectangular pipe: 0.6mm-20mm

Length:2m-5.8m/6m/12m ( We can adjust length according to your request)

Zinc Coating: 120~500 g/m2 (3oum~7oum)

Packing:steel Strips bundled,Plastic Caps plugged,Waterproof Paper wrapped etc.

  • Description
  • Specification
  • Standard
  • Process
  • Packing

Galvanized pipes have a wide range of uses. n addition to oil and other low-pressure fluid pipelines,it is also used as oil well pipes in the petroleum industry, especially in offshore oil fields, oil heaters in chemical coking equipment,coal distilation, and oil washing

converter pipes, bridges, etc. Pipe pile, mining tunnel support frame with pipe, etc. Developed countries in the world started to develop new pipes and continuously banned galvanized pipes.

Zinc Coating:

Pre-galvanized steel pipe:60-150g/m2

hot dipped galvanized steel pipe:200-460g/m2

Surface treatment:Cold galvanizing. Hot-dipped galvanized

Regulation

grid OD

Wall thickness mm

Minimum wall

Nominal inner diameter

 inch mm


Thick mm

DN15

1/2    21.3

2.8

2.45

DN20

3/4    26.9

2.8

2.45

DN25

1       33.7

3.2

2.8

DN32

1.25  42.4

3.5

3.06

DN40

1.5    48.3

3.5

3.06

DN50

2       60.3

3.8

3.325

DN65

2.5    76.1

4

3.5

DN80

3      88.9

4


DN100

4      114.3

4


DN125

5      140

4.5


DN150

6      168.3

4.5


DN200

8      219.1

6 (welded pipe)


DN200

8      219.1

6.5 hot-dip galvanizing


ASTM Standards

1.ASTM A123/A123M: Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products Single pieces of steel or fabrications with different types of steel products

2.ASTM A153/A153M: Standard Specification for Zinc Coating (Hot-Dip) on Iron and Hardware Fasteners and small products that are centrifuged after galvanizing to remove excess zinc

3.ASTM A767/A767M: Standard Specification for Zinc-Coated (Galvanized) Steel Bars for Concrete Reinforcement Reinforcing steel or rebar

Other Galvanizing Standards

1.CSA G164: Hot-Dip Galvanizing of Irregularly Shaped Article (Note: The scope of this standard was revised in 2018 to include products intended or primarily for use in electrical and communication systems only.)

2.ISO 1461: Hot-Dip Galvanized Coatings on Fabricated Iron and Steel Assemblies Specifications and Test Methods

3.AASHTO M111 (ASTM A123): Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

AASHTO M232 (ASTM A153): Zinc Coating (Hot-Dip) on Iron and Steel Hardware

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