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Hot dip galvanized steel pipe

Pre-galvanized steel pipe

We can produce and supply to you various steel pipes according to international standard. Pre-galvanized steel pipes are used in the following fields, steel structure, build structure, guard rail, fence, metal furniture etc. our products are exported to about 50 countries in the world, we get a lot of recognition from many customers since our good quality and service.
Index:
Production standard: ASTM, JIS, BS, DIN, EN, API, GB
Section type: round, square, rectangular, oval and other special section type.

Pre-galvanized steel pipes
Pre galvanized Rectangular tubes

Pre galvanized Rectangular tubes are the industry standard for fence framework, Contractors, architects, engineers. Architects and landscape architects have used steel fencing to design a variety of shelters, lighting standards and decorative sculptures for street-scapes, parks, bus and light rail stops, shopping centers, malls, sports stadiums, office buildings, parking lots and other facilities. Steel fence post are carefully designed with clean lines, structural integrity and ease of installation. These fences are available in variety of heights and widths in multiple configurations.

Threaded galvanized pipe
Threaded galvanized pipe

Threaded galvanized pipe refers to welded tube which undergo degreasing,rush removal,phosphorization,zand drying processes before galvanization.
The treatments before galvanization allow the product to be conveniently plated with a zinc coating,and also ensure uniform coating thickness,strong coating adhesion,and improved corrosion resistance.

How to Produce this Pre Galvanized Round Pipe?

RAW Material-Pre Galvanized Steel Strip
  RAW Material-Pre Galvanized Steel Strip

British Standard (BS1387-85) Thin thickness pipe specification
Outside Diameter (mm) Weight of Black Pipe (kg/m)
Nominal Size (DN) Screw Identifiers Maximum Minimum Thickness Plain end pipe Threaded and With Coupler
15 1/2 21.4 21.0 2.0 0.947 0.956
20 3/4 26.9 26.4 2.3 1.38 1.39
25 1 33.8 33.2 2.6 1.98 2.00
32 11/4 42.5 41.9 2.6 2.54 2.57
40 11/2 48.4 47.8 2.9 3.23 3.27
50 2 60.2 59.6 2.9 4.08 4.15
65 21/2 76.0 75.2 3.2 5.71 5.83
80 3 88.7 87.9 3.2 6.72 6.89
100 4 113.9 113.0 3.6 9.75 10.0
Normal steel pipe size
Outside Diameter (mm) Weight of Black Pipe (kg/m)
Nominal Size ( DN) Screw Identifiers Maximum Minimum Thickness Plain end pipe Threaded and With Coupler
15 1/2 21.7 21.1 2.6 1.21 1.22
20 3/4 27.2 26.6 2.6 1.56 1.57
25 1 34.2 33.4 3.2 2.41 2.43
32 11/4 42.9 42.1 3.2 3.10 3.13
40 11/2 48.8 48.0 3.2 3.57 3.61
50 2 60.8 59.8 3.6 5.03 5.10
65 21/2 76.6 75.4 3.6 6.43 6.55
80 3 89.5 88.1 4.0 8.37 8.54
100 4 114.9 113.3 4.5 12.2 12.5
125 5 140.6 138.7 5.0 16.6 17.1
150 6 166.1 164.1 5.0 19.7 20.3


About Sunny Steel

Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

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