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  • Diameter expansion technology and detection method of straight seam steel pipe

    Diameter expansion technology and detection method of straight seam steel pipe

    Expanding technology of straight seam steel pipe: 1. Preliminary rounding stage: the fan-shaped blocks are opened until all the fan-shaped blocks touch the inner wall of the steel pipe. At this time, the radius of each point in the inner tube of the steel pipe within the step range is almost the ...
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  • Advantages and installation precautions of steel-plastic composite steel pipe

    Advantages and installation precautions of steel-plastic composite steel pipe

    In recent years, the status of ordinary steel pipes has declined rapidly. The fundamental factor is that environmental corrosion is serious. Even if the wall thickness of the steel pipe is large, it is always unrealistic to use the wall thickness to slow down the corrosion, because the wall layer...
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  • Introduction And Application Of Spiral Welded Pipe

    Introduction And Application Of Spiral Welded Pipe

    Spiral welded pipe in the economy as a whole the application scope is extremely broad,played a great role in conveying gas, transportation and as a structure. What is the Spiral Welded Pipe? Spiral welded pipe(SSAW pipe, also called HSAW pipe). The pipe is formed by spiral submerged arc welding ...
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  • 8 Different Types of Stainless Steel Flanges You Should Know About

    8 Different Types of Stainless Steel Flanges You Should Know About

    The following are the top 8 stainless steel flanges used in stainless steel pipelines: Weld Neck Flanges: These flanges are distinguished by their protruding necks. The weld neck flanges have the same bevel and thickness of the pipe. This flange is considered for severe service conditions such a...
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  • Brief Introduction to Stainless Steel Seamless Tube

    Brief Introduction to Stainless Steel Seamless Tube

    Stainless steel tube in the economy as a whole the application scope is extremely broad, big to the nuclear power station, ship tube, small to the kitchen utensils,Stainless steel tube is an important product of iron and steel industry. What is stainless steel seamless tube? Stainless steel seaml...
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  • Differences in Seamless & Welded Stainless Steel Pipes

    Differences in Seamless & Welded Stainless Steel Pipes

    Length: The seamless steel pipe is fairly short in length, while the welded tubes can be produced in long continuous lengths. Corrosion: The seamless steel pipe usually shows no signs of corrosion until and unless it is exposed to a highly corrosive condition, whereas the welding area of the wel...
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