British standard steel tube

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Product Description:

Specifications

BS4568
Standard: ASTM A53,BS1387,EN39,BS4568
Size:20-32mm
Thickness:1.2mm-3.25mm
Length:3.75meter or as required


BS4568

The British advanced technology, strict implementation of the BS4568-1970 standard, in line with national fire safety requirements.


Size(mm)

Outer Diameter

Thinkness

(mm)

Thread Length(mm)

Weight(g/m)

Min

Max

Min

Max

Min

Max

16mm

15.7mm

16.0mm

1.4±0.15

11.5mm

13.5mm

452g/m

531g/m

20mm

19.7mm

20.0mm

1.6±0.15

13.0mm

15.0mm

682g/m

862g/m

25mm

24.6mm

25.0mm

1.6±0.15

16.0mm

18.0mm

860g/m

1095g/m

32mm

21.6mm

32.0mm

1.6±0.15

18.0mm

20.0mm

1133g/m

1432g/m

40mm

39.5mm

40.0mm

1.6±0.15

19.0mm

22.0mm

1.36g/m

1.52g/m

50mm

49.5mm

50.0mm

1.6±0.15

19.0mm

22.0mm

1.71g/m

1.91g/m

NOTE: All product length is 4 meters, or customized according to your requirements.


1. Class 4 pipe for the hot dip galvanized, inside and outside the re-grade anti-corrosion, warranty period more than 30 years.

2. Within the weld does not exceed 0.3mm.

3. Zinc coating thickness of 45μm.

4. This product can replace the gas pipes for underground water, air defense projects of line protection


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