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Corrosion resistance of stainless steel pipe fittings in different environments

1. The atmospheric corrosionThe corrosion resistance of the stainless steel pipe fitting is basically the amount of chloride in the atmosphere. Therefore, it is extremely important to be near the ocean or other chloride sources to corrode stainless steel pipe fitting parts. A certain amount of rain is important only when the chloride concentration of the steel surface ACTS.The rural environment of 1Cr13, 1Cr17 ...

Hot bending method for stainless steel pipe fittings

Stainless steel pipe fittings in heating condition, to bend called hot bending. The bending of the stainless steel pipe fittings and can be divided into sand filling without buckling of hot bending and buckling is not filling sand hot bending.Without buckling filling sand hot bending under applicable to D400mm stainless steel pipe fittings, the bending radius R > 3.5 D,. Its main operations include line ...

The manufacturing process of stainless steel pipe fittings

The basic machining process of stainless steel pipe fittings is mainly composed of blanking, forming (welding), heat treatment, surface treatment, cutting processing, nondestructive testing, surface protection and marking.BlankingThe processing materials of stainless steel pipe fittings are usually stainless steel tubes, stainless steel plates and stainless steel bars, and the material properties are determined ...

Thread step and methods of stainless steel pipe fittings

Thread step and methods of stainless steel pipe fittings are as follows:The thread sets before the first choice corresponds to the diameter of the die, according to sequence number 4 will die to turn into the hinge plate die chamber. Prior to loading, pay attention to the hinge plate on the iron sweep.The pipe clamp is clamped firmly on the stainless steel pipe fittings, the stainless steel pipe fittings are in a ...

Some deformation characteristics of large diameter high pressure stainless steel pipe fittings

Reasonable material size determines the role of steel in the process of pressing and deformation. Some deformation characteristics of large diameter high pressure stainless steel pipe fittings:(1) large diameter high pressure stainless steel pipe fittings in the bending of the outer wall of the arc tube: Lane, the inner arc tube wall is compressed, its tensile and compression is not the same, generally bear the ...

The future developing trend for the stainless steel pipe fittings

Today, the best pipe fitting manufacturer which name is Yaang Pipe Industry Co., Limited would discuss with us about the future development for the industry of stainless steel pipe fittings. From the website of this company which URL is www.yaang.com , we could find that the future development of this industry could be reflected on three major industries which are automotive industry, water industry and the ...

The technical requirement of stainless steel pipe fittings

The technical requirements of stainless steel pipe fittings are clearly defined in various standards or technical agreements. The main contents include the following:(1) variety specification. Provisions of stainless steel pipe fittings should have the shape, size and its tolerance, the theory of trial, etc.. Round pipe specifications are usually expressed in DxS, such as 50mmx2mm stainless steel pipe diameter of ...

Pressure grading of cold pressed stainless steel pipe fittings

The pressing force of the cold pressed stainless steel pipe fittings can be drawn from the following conclusions:(1) the pipe bending force of cold pressed stainless steel pipe fittings can be roughly divided into eight stages.For example: Phi 32 to diameter 45 mm diameter pipe bending force for 30 tons of Phi Phi 57 to Pago mm diameter of pipe bending force of 40 tons; Phi 76 to Phi 89 mm diameter of pipe ...

The surface treatment of stainless steel pipe fittings after welding

The performance of stainless steel is obtained by its special chemical composition, and the main element is chromium. The chromium and oxygen combine to form a dense chromium oxide film that protects the stainless steel pipe fittings from corrosion. When the stainless steel pipe fitting has chrome oxide film, it is in the passive state, and the stainless steel pipe fittings can be corrosion-resistant. The ...

Corrosion during installation and use of stainless steel pipe fittings

Because the stainless steel pipe fittings in the chloride ion more widespread and corrosive medium environment, will destroy the surface passivation membrane, and formation of corrosion pits, combined with the surface of the part of the inclusions, poor chrome area, grain boundary and dislocation, the stainless steel surface is very susceptible to corrosion, form the rusty spot, make lose luster, around stainless ...

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