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Comparison of advantages of stainless steel welded pipe and stainless steel seamless pipe

Now the production technology of stainless steel welded pipe is relatively perfect. It has replaced seamless steel pipes in many aspects, such as petroleum, automobile, paper making, air conditioning and so on, and its price is less than 1/5 of ...

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Hardness testing method for stainless steel pipe

How is the stainless steel pipe produced? Simply speaking, it is to pierced stainless steel ingots or stainless steel solid billets to form capillary pipes, and then to make them by hot rolling, cold rolling or cold dialing. There are ...

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Processing technology of super duplex stainless steel welded pipe

Because the offshore oil platform riser has long suffered the wave scour, it is necessary to have high strength and excellent resistance to point corrosion material. In all kinds of alternative materials, because super duplex stainless steel possesses austenite and ...

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Cause of cracking of 310S stainless steel pipe

The content of chromium and nickel in 310S stainless steel is higher, and its corrosion resistance is better than that of ordinary 18-8 stainless steel. In boiling nitric acid with a concentration above 68.4%, the corrosion resistance of ordinary 18-8 ...

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Add molybdenum element to the performance improvement of stainless steel pipe

Molybdenum is mainly used for production of iron and steel industry in many countries, basically accounted for more than 8 of the molybdenum is added as elements of steel, but only about 2 is used to produce metal molybdenum, super ...

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Correct welding process of stainless steel pipe

As a kind of metal pipe, the stainless steel pipe has the characteristics of corrosion resistance, high temperature and high strength, most of which are used in the process pipeline of newly built and expanded petrochemical equipment. However, the biggest ...

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Classification and terminal application of stainless steel pipe

Stainless steel pipe according to the material points are mainly ordinary carbon steel pipe, high-quality carbon structural steel pipe, alloy structural pipe, alloy steel pipe, bearing steel pipe, stainless steel pipe and bimetallic composite pipe, coating and coating pipe. Stainless ...

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Analysis of advantages and disadvantages of duplex stainless steel pipe

Duplex stainless steel pipe has better corrosion resistance than austenitic stainless steel pipe, and its practicability is wider. Because of ferrite structure in duplex stainless steel pipe, it has both the properties of ferrite and austenitic stainless steel pipe. The ...

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Performance damage and possible solutions for stainless steel pipes after cold processing

In order to enhance the performance of the stainless steel pipe, usually use some cold processing technology, such as cold drawing, cold rolling, cold rolling, cold, cold, cold expansion distortion, but finally achieve effect, also will inevitably suffer some damage, ...

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Problems encountered in welding thin wall stainless steel tubes

When welding thin wall stainless steel, the technical level requirements are very high, because in the welding of this kind of material, will face many problems, such as construction site problems, heat treatment problems, thermal expansion and cold contraction problems, ...

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