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Steel Tube
Chain Steel Chain Steel Chain Steel

   Electric resistance welded steel tube with sizes ranging from ½” to 6”, wall thickness from  0.65 mm. to 6.0 mm. Welded steel tubing is used in variety of applications such as structural  construction, automotive parts, home and office furnitures, mining industry, scaffolding, health and exercise machines, wheel chairs and walkers, racks, shopping carts, lawn mowers etc.

   Belowed are tables for all shapes and sizes of ERW tube manufactured.

   All tubing is produced to meet exactly domestic and international standards in which specified  types, sizes and tolerances, material and manufacture, requirements, sampling and criteria for conformity and testing. Quality is continuously monitored in-line to ensure weld integrity and dimensional characteristics and rigorously inspected by our experienced quality control parties .
Furniture Steel Tube
 Size ranging from 5/8" to 3"
with following wall thicknesses.
ROUND PIPE No. size (INCH.) Wall thickness (mm.)
1 5/8 0.65 - 2.0
2 3/4 0.65 - 2.0
3 7/8 0.65 - 2.0
4 1 0.75 - 2.0
5 1 - 1/4 1.0 - 1.4
6 1 - 3/8 1.2
7 1 - 1/2 0.75 - 1.4
8 1 - 5/8 0.85 - 2.0
9 1 - 3/4 1.2 - 2.0
10 1 - 7/8 1.4 - 2.0
11 2 1.4 - 1.9
12 2 - 1/2 1.4
13 3 1.4
Round Steel Tube
 Size ranging from 0.5" to 6"
with following wall thicknesses.
ROUND PIPE No. size (INCH.) Wall thickness (mm.)
1 1/2 1.0 - 2.0
2 3/4 1.0 - 2.0
3 1 1.0 - 3.0
4 1 - 1/4 1.2 - 3.0
5 1 - 1/2 1.2 - 3.0
6 2 1.2 - 3.0
7 2 - 1/2 1.6 - 3.0
8 3 1.4 - 3.0
9 3 - 1/2 2.5 - 5.0
10 4 1.9 - 6.0
11 5 3.0 - 6.0
12 6 3.0 - 6.0
Square Steel Tube
 Size ranging from 5/8 x 5/8" to 5x5"
with following wall thicknesses.
ROUND PIPE No. size (INCH.) Wall thickness (mm.)
1 5/8 x 5/8 1.0 - 1.4
2 1/2 x 1/2 1.0 - 1.4
3 3/4 x 3/4 0.9 - 2.0
4 1 x 1 0.9 - 3.0
5 1 1/4 x 1 1/4 1.0 - 2.0
6 1 1/2 x 1 1/2 1.0 - 3.0
7 2 x 2 1.0 - 3.0
8 3 x 3 1.4 - 3.0
9 4 x 4 1.7 - 4.5
10 5 x 5 3.0 - 4.5
Rectangular Steel Tube
 Size ranging from 3/4 x 1 1/2" to 6 x 2"
with following wall thicknesses.
ROUND PIPE No. size (INCH.) Wall thickness (mm.)
1 3.4 x 1 1/2 1.0 - 3.0
2 36 x 19 mm. 1.9 - 2.0
3 2 x 1 1.0 - 3.0
4 40 x 20 mm. 1.4 - 1.5
5 60 x 30 mm. 1.4 - 2.0
6 65 x 38 mm. 1.35 - 2.7
7 75 x 20 mm. 1.9 - 2.3
8 3 x 1 - 1/2 mm. 1.0 - 3.0
9 75 x 50 mm. 1.35 - 2.7
10 4 x 1 1/2 2.4 - 3.0
11 4 x 2 1.0 - 3.0
12 5 x 3 1.7 - 4.5
13 6 x 2 1.7 - 4.5
SPECIFICATION ON TUBE : JIS G 3445 STKM AND ASTM
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