Custom U-Stainless Steel Welded Pipe Tube

Custom U-Stainless Steel Welded Pipe Tube Factory

About Us

Huzhou Dingshang stainless steel Co., Ltd. is located in Huzhou city Zhejiang province, about one hour to Jiangsu, Shanghai and Hangzhou. DINGSHANG is professional China U-Stainless Steel Welded Pipe Tube Factory and Custom U-Stainless Steel Welded Pipe Tube Company, and is specializing in industrial stainless steel welded tube and special alloys tube, with annual production capacity up to 7,000 tons.We have two own foundries and one CNC machining factory, we also have our own international sales department. We produce and sell by ourselves.

Our U-stainless steel welded pipe/tube production complies with GB, ASTM/ASME, JIS, DIN, EN, GOST and ISO standards. It can also meet some special requirements of customers. Due to excellent technicians, advanced production equipment, satisfactory factory inspection, and testing equipment , and a perfect quality assurance system, DINGSHANG has got quality management system ISO9001, EU pressure equipment directive PED and AD2000 all issued by Lloyd's, and also Chinese national special equipment manufacturing license (TS certificate).

Our U-stainless steel welded pipe/tube is mainly exported to more than 30 countries such as the United States, Germany, Japan, Spain, Italy, the United Kingdom, South Korea, Australia, and Canada. Our customers include many OEM customers specializing in trains, automobiles, forklifts and construction machinery, and we have cooperated with more than 10 Fortune 500 companies and become one of their main casting suppliers in China.

Dingshang adheres to the business philosophy of excellence, trustworthiness and win-win. Based on reliable quality pipes and timely replies, Dingshang's materials have been sold all over the country and exported to more than 20 countries including the world's major economies. We promise to provide better products and better services in the future, and welcome customers to visit our factory.




What impact does reducing sensitization have on welded stainless steel pipe?


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Post-weld heat treatment (PWHT) offers several benefits for welded stainless steel pipe, particularly in specific applic...

How to improve the mechanical properties of welded stainless steel pipe?


Improving the mechanical properties of welded stainless steel pipe involves several factors, including proper welding te...

What is the passivation of welded stainless steel pipe?


Passivation of welded stainless steel pipe is a chemical process used to remove surface contaminants, including iron, ir...

U-stainless steel welded pipe/tube Industry Knowledge Extension

How to maintain U-stainless steel welded pipe tube?
Regular Cleaning: Regular cleaning is essential to prevent the buildup of dirt, grime, and contaminants on the surface of the stainless steel. Use a mild detergent, warm water, and a soft cloth or sponge to clean the surface. Avoid abrasive cleaners or scouring pads that could scratch the stainless steel.
Avoid Harsh Chemicals: Avoid using strong acids, bleach, or abrasive chemicals for cleaning, as these can damage the protective oxide layer on the stainless steel's surface.
Rinse and Dry: After cleaning, rinse the stainless steel with clean water to remove any residue. Make sure to dry the surface thoroughly to prevent water spots and staining.
Passivation: Passivation is a process that helps restore the passive oxide layer on the surface of stainless steel, enhancing its corrosion resistance. It involves applying a specific passivating solution according to the manufacturer's recommendations.
Avoid Contamination: Avoid contact with chlorides (such as salt) and other corrosive substances that can damage stainless steel. If your stainless steel welded pipe tubes are used in marine environments or areas with exposure to saltwater, consider using appropriate protective coatings.
Inspect for Damage: Regularly inspect the welded pipe tubes for signs of damage, such as corrosion, pitting, or cracking. Address any issues promptly to prevent further deterioration.
Proper Installation: Ensure that the stainless steel welded pipe tubes are installed correctly and securely. Improper installation can lead to stress, misalignment, and potential damage.
Avoid Mechanical Damage: Be cautious when handling and transporting stainless steel welded pipe tubes to prevent dents, scratches, and other mechanical damage.
Use Soft Brushes or Pads: When cleaning, use soft brushes, cloths, or pads to avoid scratching the surface of the stainless steel.
Protective Coatings: In environments with high levels of corrosive exposure, consider applying protective coatings or wraps that are compatible with stainless steel to provide an additional layer of protection.
Professional Maintenance: For complex systems or critical applications, consider engaging a professional maintenance service to ensure proper care and maintenance of the stainless steel welded pipe tubes.