Raw material purchase for carbon steel pipe fittings
Our company s carbon steel pipe parts are purchased on a quarterly basis The purchasing volume will be determined according to the export sales in previous years and the order plans of the old customers Material selection is very important in the more >>
The quality control of large-caliber seamless pipe
The quality control of large-caliber seamless pipe is not only the safe operation of production, but also the necessary factor to ensure the safety of operators more >>
Surface treatment technology of flat welding flange
Slip on flanges are generally suitable for connection of carbon steel pipes with nominal pressure not exceeding 2 5 MPa Flat-welded flanges can also be made into smooth, concave-convex and mortise-groove types more >>
Large diameter carbon steel flange market
Large-diameter carbon steel flanges have perforations on the flanges, which can be bolted so that the two flanges are tightly connected and the flanges are sealed with gaskets more >>
On November 19, 2018, our company received the designated third party inspection The detection unit is BV The inspection is mainly for the flange that meets our NACE standard for our customers Hydrogen sulfide stress corrosion cracking test SSC and more >>
Anti-corrosive spiral steel pipe
Anti-corrosion spiral steel pipe is widely used in petroleum, chemical industry, natural gas, heat, sewage treatment, water sources, bridges, steel structures, marine water transportation piling and other pipeline engineering fields more >>
The variety and function of socket weld pipe fitting
Generally the connection type of pipe fitting can be divided butt weld, threaded, socket weld and flanged Threaded and socket weld pipe fitting are produced through forging which also means that the production process is forged These forged pipe fitting more >>
The differences between socket weld fitting and butt weld fitting
Socket weld fitting and butt weld fitting all belong to pipe fittings connect different pipes or change the direction of fluid But they also have many differences, such as production process, sizes, connection types and prices more >>
The pipe flanges used in pipeline,using in the connection of steel pipe or steel elbow,pipe tee The pipe flanges also has SO flange,WN flange and Blind flang, you can choose different type flange to using in different pipe line more >>
Improved results of Large Diameter Welding neck Flange
In view of the flange deformation problem in Large Diameter Welding neck Flange welding, our company s production department has conducted in-depth research This problem has been thoroughly solved and the qualified rate of products has been raised more >>