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Types, classification, quotation and characteristics of commonly used stainless steel pipes

Stainless steel pipe is a kind of hollow long steel. which is used as a pipeline for conveying fluids. such as oil. natural gas. water. gas. steam. etc. In addition. when the bending and torsional strength are the same. the ...

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Characteristics, welding technology and requirements of stainless steel pipe fittings

Stainless steel pipe fittings are one kind of pipe fittings. They are made of stainless steel, so they are called stainless steel pipe fittings. They include: stainless steel elbows, stainless steel tees, stainless steel crosses, stainless steel reducers, stainless steel caps, ...

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The whole process of seamless steel pipe production

1. The introduction of seamless steel pipe The seamless steel pipe is a circular, square, rectangular steel with a hollow section and no seams around it. The seamless steel pipe is formed by perforating a steel ingot or a solid ...

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Formula for calculating the weight of stainless steel pipe fittings

1. The weight calculation of stainless steel plate Weight calculation formula for stainless steel plate/stainless steel belt: weight (kg) = length (m) * width (m) * thickness (mm) * density. 304, 304L, 305, 321, 201, 202, 301, 302 Density: 7.93 ...

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Application of stainless steel pipe in petroleum and petrochemical

1 Types of stainless steel According to the chemical composition, stainless steel can be divided into Cr stainless steel, Cr-Ni stainless steel and Cr-Ni-Mo stainless steel. According to the application field, it can be divided into medical stainless steel, atmospheric ...

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Material selection for chemical pipelines

There are many factors affecting the choice of pipeline materials: process design conditions, material properties, economy, processability, contamination of the final product, process safety, corrosion resistance, etc. Cast iron pipe: Ordinary cast iron pipe: It is mainly used for water ...

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The method of identifying the poor quality stainless steel pipe

The stainless steel pipe in the passivated state still has a certain reaction ability because its passivation film is always in a state of dynamic equilibrium of dissolution and repair and repassivation. When the stainless steel pipe is in an ...

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Method for distinguishing inferior stainless steel pipes

Due to the excellent performance of seamless stainless steel pipes, the use is very popular and the price is very reasonable. Therefore, in the downstream spot market, there are counterfeit and seamless stainless steel pipes, which are fluid pipes. In ...

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What are the problems that the stainless steel pipe will encounter in welding

When welding stainless steel pipes, the requirements for the welding process are very high, because when welding them, many problems need to be solved, such as heat treatment, cold shrinkage and thermal expansion, and also attention should be paid to ...

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Cleanliness testing technology of stainless steel pipe

The cleanliness of stainless steel pipe refers to the degree of contamination of the steel pipe by impurities. It is expressed by the quality, size and quantity of the impurity particles collected from the specified characteristic parts by a prescribed ...

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