Home > Products > Furnace accessories > electric resistance welding studded tube-32
electric resistance welding studded tube-32
- 5000 Carton / Cartons per Month
- shanghai port for electric resistance welding studded tube-32
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Product Details
Place of Origin: | Jiangsu, China | Brand Name: | Keheng | Model Number: | Studded tube |
Type: | Boiler Tube |
Packaging Details
steel frame or wooden case for electric resistance welding studded tube-32
Product Description
electric resistance welding studded tube-32
Specification of studded Tube
Base Tube O.D | Base Tube Thickness (mm) | Tube Height | Tube Length (meter) |
60 mm ~219 mm | 4.0 mm ~20 mm | 10 mm ~ 38 mm | 1-25m |
Base Tube Material: A106GrB, A335 P5/P9 A204 TP304 | |||
Stud Material: CS ANSI 410, SS304 5%Cr-1/2Mo |
Application of studded pipe
1.Increase efficiency in the process of heat recovery and direct flame hostile atmospheres.
2.Reduce the amount of bare pipes used in these processes. (Heat transfer surface of one studded pipe is equivalent to surface of 4 to 10 bare pipes).
3.Ideal for processes applications where dirty fuels are used and harsh environments in terms of temperature and / or corrosion.
Stud Material
1.Carbon steel ASTM A510 grade 1005 to 1010.
2.Alloy steels normally used in steel studs.
3.ASTM A193 Grade: B6, B6X, B8, B8a, B8M, B8C, etc.
4.AISI 304, 316, 410, 347, 321.
Test of studded tubes:
Welding tests are carried out as a matter of course to ensure the effectiveness of the stud to pipe bond. Heat treatment of the completed studded
tube is carried out where necessary. Should fouling eventually reduce the process performance of the equipment, the studded surface can be
cleaned efficiently by shot blasting without damage to the materials.
An electric current is applied by connect on the stud and tube and theresistance in this circuit produces the heat necessary for welding. Maximum
resistance and therefore maximum heating occurs at the interface Between the Stud and the tube. Pressure to forge the Stud and the tube together
at the point of maximum heating is applied by various forms of tooling. These resistance welding processes produce a strong metallurgical bond
between the stud and the tube while minimizing the heat affected zone (HAZ) in the tube. The use of pressure to forge the fin and the tube
together helps to minimize the heat input necessary to make the weld. This Product is used in Fired Heaters under Very High Pressure &
Temperature mainly in Petroleum refineries.
Studding of pipes up to 8 inch dia and stud diameter up to 18mm can be supplied in Carbon steel, alloy steel and stainless steel pipes.
Advantages of Steel studs :
1)Satisfying connection surface, little heat loss .
2)Welding connection rate higher than 90 percent.
3)No need of welding power, hardly any welding tumor .
4)Narrow heated zone on the surface, no melted pool, without destroying the tissue of basic tube.
5) Welding parameters are strictly set to ensure the quality of bulk studded tube and avoid the instability of manual operation
For a rapid quotation requested following information:
Base tube : Diameter, thickness, length and material specification and whether ends are plain or weld prepped.
Studs : Diameter, length or height, number per circumferential row/or circumferential pitch, plus vertical pitch and material specification.
Number of rows of studs and plain end length
Materials
Producing facility
Occupying the market with product quality | Gaining the client with corporate reputation |
JiangSu KeHeng Petrochemical & Electrical Machinery Co., Ltd. formerly JiangYin Petrochemical & Electrical Machinery Factory, founded in 1989, with the area of 26,500 square meters, total construction 15,500 square meters. Located in Jiangyin city, being in Yangtze River Delta economic zone, enjoy convenient transportation access. |
Certificates
Exhibitions
Sales network
Company Profile
KeHeng Petrochemical & Electrical Machinery is a high-tech enterprise specialized in R&D, manufacturing and sales of petrochemical electrical equipment, the company's total assets is 120 million yuan, has more than 200 employees, mainly engaged in producing petrochemical heating furnace, waste heat recovery system, power plant desulfurization equipment, waste water treatment system, mixer and other products. The products are widely used in Petro-chemical, Refining Chemical, coal chemical industry, metallurgy, electric power, food, medicine, etc.. At present, KeHeng Petrochemical & Electrical Machinery factory plant area covers an area of 26500 square meters, total construction 1.55 square meters, having a lot of processing equipments, such as CK1440A of CNC machine tools, CNC machine tools, YK7232 CK6163, a large universal bending machine, shearing machine, automatic cutting machine, automatic box drilling machine, and fully automatic CNC pipe bending machine processing equipment, with an annual output of 12000 tons of production capacity.
Contact Us
- Jiangsu Keheng Petro Chemical & Electrical Machinery Co., Ltd.
- Contact nameFrey yin
- Phone86-512-56310228
- Address14 Xiyuan Road, Xinqiao Town
Compensator | Expansion joint | Furnace accessories | Heat recovery system |
Heating furnace | Mixer | New Products | Oil rigger gloves |
Reducer | Spring hanger | Wastewater treatment system |
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