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  • Selection guide for stainless steel pipes

    Selection guide for stainless steel pipes

    First, what material stainless steel pipes are currently on the market, and what are the differences in their quality? At present, there are mainly 304, 201, and 301 materials on the market. The difference is mainly due to the different contents of chromium and nickel. Material 304 contains 18 ch...
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  • Do you know the three hardnesses of stainless steel pipes

    Do you know the three hardnesses of stainless steel pipes

    Rockwell hardness The Rockwell hardness test of stainless steel pipes is the same as the Brinell hardness test, which is an indentation test method. The difference is that it measures the depth of the indentation. The Rockwell hardness test is a widely used method at present. Among them, HRC is s...
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  • Causes and preventive measures of undercutting of single and double sides of submerged arc welded steel pipe

    Causes and preventive measures of undercutting of single and double sides of submerged arc welded steel pipe

    1. Reasons for the formation of submerged arc welded steel pipes ① Welding wire joint: Due to the change in the diameter and smoothness of the welding wire joint, the wire feeding speed will change suddenly when the welding wire joint passes through the wire feeding wheel, which will cause the in...
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  • A brief introduction to the role of the flange

    A brief introduction to the role of the flange

    Flanges are parts that are connected between steel pipes and steel pipes and are generally used for connection between pipe ends. Flanges are mainly used in industry and play an important role in industrial manufacturing. Therefore, the market demand for flanges is relatively large. As an industr...
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  • Performance of 316 capillary stainless steel tube

    Performance of 316 capillary stainless steel tube

    Capillary stainless steel tubes generally refer to thin tubes with an inner diameter of less than or equal to 1mm. Because such tubes are as thin as a hair, they are called capillary tubes. Its use occasions include medicine, building materials, automatic instrument signal tubes, instrument wire ...
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  • Straight seam steel pipe implementation standards and technological progress

    Straight seam steel pipe implementation standards and technological progress

    Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or steel strip after crimping and welding. Welded steel pipe has a simple production process, high production efficiency, many varieties and specifications, and less equipment investment, but its general strength is...
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