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  • What are the surface defects in 5310 high-pressure boiler tubes
    What are the surface defects in 5310 high-pressure boiler tubes
    2026-04-09
    5310 high-pressure boiler tubes refer to steel tubes that are open at both ends and have a hollow cross-section, with a large length-to-circumference ratio. They can be classified into seamless steel pipes and welded steel pipes according to their production methods. The specifications of 5310 high-
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  • What preparations should be made when welding steel pipes
    What preparations should be made when welding steel pipes
    2026-04-08
    When welding steel pipes, the following preparations should be made for the pipe ends:(1) Remove loose rust, dirt, and grease from the joints of the welded steel pipes.(2) When welding steel pipes using gas welding or mechanical cutting, the cross-section should be straight to ensure concentricity a
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  • How is the product quality of alloy steel pipes determined
    How is the product quality of alloy steel pipes determined
    2026-04-07
    The methods for determining the product quality of alloy steel pipes are as follows:1. Test the key components, such as Cr and C, in the alloy steel pipe.2. Test the compressive strength of the hardened surface layer of the alloy steel pipe.3. Check the surface flatness of the alloy steel pipe and w
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  • What are the processing methods for steel pipes
    What are the processing methods for steel pipes
    2026-04-03
    First, steel pipe loading into the furnace:1. Steel pipes prone to deformation during heat treatment should be heated using a special fixture.2. The steel pipe should be placed within the effective heating zone.Second, steel pipe preheating:1. For steel pipes with complex shapes, abrupt changes in c
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