Marine engineering

Supplying P911 Boiler Pipe & Seamless hot finished tubes and pipes for utility boilers, industrial boilers and heat recovery steam generators. The P911 Pipe and pipes are supplied in random lengths or in fixed lengths to be analysed and agreed at time of order, in the range between 4,000 mm and 26,000 mm depending on the size.

A finned tube is a kind of heat exchange element. It is a kind of heat exchanger tube to improve the heat transfer efficiency, usually by adding fins on the surface of the heat exchanger tube to increase the external surface area (or internal surface area) of the heat exchanger tube, so as to achieve the purpose of improving the heat transfer efficiency.

1.4841 is a high-temperature stainless steel material mainly used to manufacture high-temperature-resistant equipment and parts, such as boilers, chimneys, heat exchangers, etc.

The production process of DIN 1629 steel pipe supplied by GNEE includes heating of pipe billet, piercing, three-roller cross rolling or continuous rolling, tube stripping, sizing (or reducing), cooling, straightening, hydrostatic test (or flaw detection), marking and warehousing.