The welded pipe products are made of cold and hot rolled band steel, which is processed with such procedures as edge trimming, forming in a forming machine, high frequency welding ,weld seam is scraping, straightening ,sizing ,and sawing etc. The
products are widely used in many fields such as automobile, construction, Furniture,
hardware products, container manufacture, guardrails, warehouse shelves, metal
structures, low pressure liquid transmission pipelines etc.
square pipe
|
(inch)
specification
|
20×20
|
25×25
|
30×30
|
38×38
|
40×40
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50×50
|
60×60
|
65×65
|
70×70
|
75×75
|
80×80
|
90×90
|
100×100
|
|
(mm)
Wall thickness
|
0.8~2.5
|
0.8~3
|
0.8~3
|
0.8~4
|
0.8~4
|
1.5~4
|
1.5~5
|
1.5~5
|
1.5~5
|
2~5
|
2~5
|
2~6
|
2~5
|
|
(inch)
specification
|
125×125
|
150×150
|
|
|
|
|
|
|
|
|
|
|
|
|
(mm)
Wall thickness
|
2~6
|
2.5~6
|
|
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