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Application fields of food sanitary thin-walled stainless steel pipe
The polished thin-walled stainless steel pipe inside and outside on the one hand can be the water supply pipe used for drinking water pipes. It can transport cold water and hot water. This is installed in the water supply pipes of various buildings. The effect is very ideal and can meet the needs...Read more -
Industrial Steel Pipe Fitting type
There are many types of steel pipe fittings, which can be summarized into the following main types: 1. Variable diameter steel pipe fittings refer to the diameter reduction of the pipe end or part of the pipe; 2. Pipe fittings with variable wall thickness refer to change the wall thickness along ...Read more -
Technical requirements for steel pipe fittings
Geometrical dimensions include outer diameter, inner diameter, and wall thickness. It also requires to control the radius of curvature. For example, if the radius length is 1.5d, then the radius of curvature must be within the required tolerance range. Since most of these steel pipe fittings are ...Read more -
Surface processing of stainless steel pipe
There are roughly five basic types of surface processing that can be used for surface processing of stainless steel pipe. They can be combined and used to transform more final products. The five categories are rolling surface processing, mechanical surface processing, chemical surface processing,...Read more -
How to treat the surface of high frequency welded steel pipe
The anti-corrosion layer specification requires the surface of thick-walled steel pipes, and continuously improves the surface treatment methods of thick-walled steel pipes: 1.Cleaning. Solvents and emulsions are used to clean the surface of the steel to remove oil, grease, dust, lubricants, and ...Read more -
Submerged arc steel pipe forming method
Submerged arc steel pipe forming methods include continuous twist forming (HME), roll forming method (CFE), Uing Oing Expanding forming method (UOE), roll bending forming method (RBE), Jing Cing Oing Expanding forming method (JCOE), etc. However, three forming methods, UOE, RBE, and JCOE, are wid...Read more -
Main points of processing technology of large diameter straight seam steel pipes
① The large-diameter straight seam steel pipe, tooth shape, and pitch of the wire head of the processed steel reinforcement thread are consistent with the tooth shape and pitch of the connecting sleeve, and the matching gauge has passed the inspection. ②When processing reinforced threads, water-s...Read more -
Main technological characteristics of spiral steel pipe
a. During the forming process, the steel plate deforms evenly, the residual stress is small, and the surface does not produce scratches. The processed spiral steel pipe has greater flexibility in the size and specification range of diameter and wall thickness, especially in the production of high...Read more -
Welding technology and production method of large-diameter straight seam steel pipes
1. Control of the weld gap The strip steel is sent to the welded steel pipe unit, after rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank with an open gap, and the reduction of the squeeze roller is adjusted to control the weld gap to 1~3mm, And make t...Read more -
How to do electric welding of spiral steel pipe
When using spiral steel pipes, how to do the actual operation of electric welding? Next, let’s talk to friends. Before using spiral steel pipes, it is necessary to use deoxidizers to do deoxidation work. During the operation, the number and size of debris will be reduced. It should be understood ...Read more -
What should be done at the end of cooling of large-diameter steel pipes
(1) When the cooling is over, that is, when the temperature of the surface layer and the core part are all the same, the elastic deformation of the surface layer and the core part also disappears and return to the original state. Although instantaneous thermal stress is generated during the cooli...Read more -
What requirements should be met for weld repair of pressure steel pipes
(1) Before repair, the causes of steel pipe defects should be analyzed and corresponding repair measures should be proposed. (2) When reworked steel pipes require repair welding, qualified welding processes should be used and welded by qualified welders. (3) When the number of repairs for the sam...Read more