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Contact SupplierMother tubes or hollows are procured from reputed manufacturers in India and abroad, and are subjected to a thorough chemical analysis with rigorous physical and mechanical tests.
The best quality mother tubes are then cold-rolled on pilger machines and/or cold-drawn on draw benches with precise pull forces, achieving the desired dimensions and a smooth finish. Tubes are then solution annealed, straightened, pickled, passivated before they are inspected, tested and released for dispatch. Polishing is also done wherever required by a customer.
Type | OD | Wall Thickness | Length | Specification Etc | Others |
---|---|---|---|---|---|
Pipes | ¼" NB to 8" NB (13.70 to 219.1mm) | Sch 5s, 10s, 20, 40s | 4.5 to 6.1 mtrs standard | ASTM A312 | In Solution Annealed condition. Finish - Pickled. Polishing done on request. |
Heat Exchanger/ Condenser Tubes - Straight or U-Bent | 5/8" to 2" (15.88 to 50.8mm) | Sch 5s, 10s, 20, 40s | Upto 15mtrs; U tubes as per customers' requirements | ASTM A213, A269, DIN 17456, 17458 | In Solution Annealed condition. Finish - Pickled or Polishing as per customer requirement. |
Small Diameter/ Instrumentation/ | 5/16" to 5/8" (8 to 16mm) | 1.0 to 2.11mm | Upto 15 mtrs | ASTM A213, A269, DIN 17456, 17458 | In Solution Annealed condition. Finish - Pickled |
Heating Element Tubing | or Polishing as per customer requirement. |