The Helicoid Tubes with seam saw are very sought after due to their high mechanical resistance and their cost-benefit.
They emerged in Sweden, and their manufacturing system has been used for more than 30 years in Europe and the United States.
They are manufactured from steel coils, formed by means of a continuous operation in an automatic machine, or left to you in the form of a spiral.
The process of manufacturing two Helicoid Tubes results in perfectly round tubes, without longitudinal deviation, with more mechanical resistance and without deformations.
The welding system used is the submerged-arc welding system, applied at the same time inside and outside, considered or more indicated for the manufacture of Helicoid Tubes.
All this process leaves a perfectly round tube, without longitudinal deviation, without deformations and with greater mechanical resistance, still following the standards ASTM A134, ASTM A139, AWWA C200 and NBR 9797.
Your Applications
The Helicoid Tubes with saw seam are used in various sectors of the industry and for various applications such as:
Civil Construction;
Sugar and Alcohol Plants;
Fuel refiners;
Basic Sanitation;
Hydroelectric Power Plants;
Irrigation Systems;
Liquid Pumping;
Fire Fighting Networks;
Compressed Ar Networks;
Hydraulics;
ventilation networks;
Stakes;
Structures and Metallic Montagens.
Materials and Dimensions of the Helicoid Tubes
There are many materials that can be used in the manufacture of Helicoid Tubes, we can mention:
Commercial Carbon Steel (SAE 1006 to 1012 or equivalents);
Structural carbon steel (ASTM A36 / ASTM A283 Gr.C / Civil 300 / Civil 350 or equivalents);
Their dimensions, thicknesses and compressions are also varied, as we place below:
Diameters: from 102mm (4") to 914mm (36");
Thicknesses: from 2.00mm to 9.50mm;
Compressions: 6 or 12 meters (standard), 5.8 or 11.6 meters for export, etc.
Its extremities receive specific finishes and pass through a hydrostatic test, with a pressure of up to 100 BAR. See below how your boards can be:
K10/K20 steel ring tube;
Cut Groove Tube;
Tube grooved by lamination;
flanged tube;
Smooth ponta tube or beveled tube for welding.
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