تامین لوله های EFW
A combination of specially designed equipments like 1600MT press brake machine, multiple rolls bending machine, welding installations for outside, inside and circumferential welding, size calibrating press, solution annealing furnace and a host of other related machinery, is employed to manufacture pipes used in critical applications like refineries, fertilizers, LNG terminals, cross country pipe lines etc.
EFW Pipes Product Range
These products can be supplied in the following grades:
Austenitic Grades: TP304, 304L, 316, 316L, 316Ti, 317L, 321, 321H, 347, 347H. Ferritic Grades: TP409
Duplex: UNS 31803, UNS 32205, UNS 32304, LDX2101
Edges of the Stainless Steel Plate cut to size are prepared and pre-bent followed by roll forming into pipes. It is prewelded and then the final welding is done using filler material. All welders, welding operators and weld procedures are qualified to the ASME Boiler and Pressure Vessel Code, Section-IX. Heat treatment is done on continuous roller hearth furnace or batch furnace. The pipe is nowsized, pickled & passivated.
FIVE CLASSES OF ASTM A-358/ A-358M SUMMARIZED REQUIREMENTS