Cold-finished, electric-welded, finned tubes

“Sumy NPO” PJSC has a great experience in tubulars manufacture and currently manufactures tubes by cold rolling; by welding of carbon steels, stainless steels and non-ferrous metals and bimetallic finned tubes, which are used for heatexchangers.

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Cold-finished seamless tubes

Tube diameter, mm from 8 to 76
Wall thickness, mm from 1 to 10
Tube length, m to 23
Material different grades of steel, non-ferrous metals and alloys of normal, high and precision accuracy, in particular according to GOST: 8733; 9567; 21729; 9941; 550; 617; 17217; 21646; 494; 22897. API 5L. ТУ – 14-3-460; 14-3-251; 14-3-501-76.

Electric-welded cold-finished  corrosion-resistant steel tubes :

Tube diameter, mm from 8 to 76 /102
Wall thickness, mm from 1 to 3
Tube length, m up to 23
Accuracy of manufacturing normal, high and precision accuracy as to ТУ 27.2-8-66-2003
Tube diameter, mm 25 mm
Wall thickness, mm 2,5 mm
Tube length, m up to 12 m