Stainless Steel Seamless Heat Exchanger ‘U’-Tubes - Suraj Group

In addition to the production of Stainless steel seamless straight tubes and pipes to a wide range of Austenitic, Ferritic, Martensitic, Duplex & Super Duplex SURAJ is also having latest In-house “U” bending facility for manufacturing U-Tubes for the use in heat exchangers, condensers, pre-heaters and other applications. These U-Tubes are made in accordance with requirements of TEMA, ASTM A 688 and other statutory requirements or specifications.

“U” bending is done on seamless stainless steel straight tubes by cold working process. Depending upon the radius, which will be strictly according to drawing furnished by the customers, the straight tubes are bent on a pulley of known radius. Thereafter, the bend portion plus 6 inch leg length is stress relieved by resistance heating, The temperature is controlled and maintained with the help of suitable Pyrometer at required temperature and time. Inert gas is passed through it at the required flow rate to avoid inside oxidation.

Suraj having dedicated facilities for manufacturing ‘U’ Bend up to developed length of 30 metres.

We guarantee the quality of our U-tubes and the surface will be thoroughly cleaned to make double sure that the surface is perfect, free from any foreign materials and smooth without any deficiency in quality.

Grade: TP-304/304L, TP-304H, TP-316/316L,TP-316H, TP-316Ti, TP-317/317L,TP-321/321H,TP-347/347H,TP-405,TP-410, S31260, S31500, S31803, S32205, S32550, S32750, S32760.

Size: 6.00 mm OD to 50.8 mm OD

Thickness: 0.89 mm THK to 5.00 mm THK

Specifications: ASTM A-213, A-268, A-269, A-789, Equivalent to ASME, EN, JIS Etc.

Applications: Oil & Gas, Petrochemical & Refinery, Fertilizer, Power Plant & All major industries.

Stainless steels tube and their uses

Stainless steel is proof against corrosion and reaction in low and high temperature as a result of it contains metal. This is what makes stainless steel different from steel mild steel or any other steel. Although tubes are not the cheapest option on the market, they have many benefits. Apart from being resistant to corrosion, which enables them to be useful in thin wall piping, they have low fluid friction properties and are easy to maintain, making them cost effective. They have been used in the construction of safe and long-lasting structures, like factories.

Different types of stainless steel tubes are made to withstand different environments, with varying temperatures. Here are several types of such tubes:

• Austenitic - ductile, non magnetic and good for welding. It is accustomed make room wares, large scale piping and containers.

• Ferritic - same as austenitic, but a higher proof against corrosion. It is employed in indoor equipment, like washing machines.

• Austenitic-Ferritic (Duplex) - both sturdy and ductile. It is mainly used in industries like paper pulp industries and shipbuilding industries.

• Martensitic - contains 11-13% chromium, making it moderately resistant to corrosion. It is also sturdy and has magnetic properties. It is employed in making turbines.

• Heat resistant tubes - used for steaming where temperature is terribly high. They are proof against heat. They are employed in boilers.

• Heat exchanger tubes - high pressure resistant. They are additionally aggressive mediums like acids. They are used in several industries like chemical, fertilizers, petrochemical and therefore on.

• Duplex stainless steel tubes - have high strength and proof against corrosion. They also have high thermal conduction and low thermal expansion properties. They are used in chemical processes.

• High pressure tubes - mainly employed in unsteady temperature conditions. They are used in each condensers and boilers.

• U-Bend tubes - used in device systems like hot oil systems.

Stainless steel, which is integrated in tubes and pipes, has now become associate integral half of the producing trade. Stainless steel is used in producing industries for its high corrosion resistance, and it is available in varied sizes and diameters.

Steel pipes are also used in art decoration. These pipes come in many types, like round, rectangular, square and oval, depending on the use.

Apart from making a steel tube, stainless steel may also be used make a stainless steel sheet or a unstained steel box section. Steel sheets and steel box sections are used in several industries; for instance, a steel box section is used within the manufacture of trailers.

When steel chiefly consists of carbon, it is called steel. It is used make a gentle steel tube or a gentle steel sheet. Mild steel doesn't contain chromium. Consequently, a mild steel sheet or a mild steel tube corrodes simply, making them less effective than a unstained steel sheet and tube. However, a gentle steel tube or a mild steel sheet is most well-liked since it's a less expensive possibility.

I am manager of Suraj Group Ltd professional recommendation on uses and applications of steel. We are provide Specific and wide range of Stainless Steel Flanges. For more visit look: www.surajgroup.com