2024-02-22 Anti-corrosion pipelines can be divided into two categories: lined anti-corrosion steel pipes and outer wall anti-corrosion steel pipes. The main anti-corrosion lining is cement mortar-lined anti-corrosion steel pipes, which are widely used and have lower costs. Cement mortar-lined anti-corrosion st
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2024-02-21 Forging steel: A pressure processing method that uses the reciprocating impact of a forging hammer or the pressure of a press to change the blank into the shape and size we require.Extrusion: It is a steel processing method in which metal is placed in a closed extrusion cylinder and pressure is appl
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2024-02-20 In today's industrial field, anti-corrosion large-diameter spiral steel pipes have attracted much attention due to their unique properties and wide range of applications.First, the characteristics of anti-corrosion large-diameter spiral steel pipes① Strong corrosion resistance: Anti-corrosion large-
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2024-02-19 Structural seamless steel pipes are seamless steel pipes used for general structures and mechanical structures. It is a variety of seamless steel pipes divided into different uses.Seamless steel pipes are divided into two types: hot-rolled (extruded) seamless steel pipes and cold-drawn (rolled) seam
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2024-02-18 1. Downhill forming methodDownslope shaping of welded pipe equipment can significantly reduce edge extension.2. Increase the middle extension of the billetDuring the forming process, the reduction of the opening hole pattern increases, making the gap between the upper and lower rollers slightly smal
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2024-02-02 1. How does edge gnawing of straight seam steel pipes occur? What impact does it have on welded pipes?The edge of the straight seam steel pipe usually occurs on the slitting strip roll. The edge of the straight seam steel pipe is a jagged and uneven phenomenon at the edge of the steel strip. The rea
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2024-02-01 1. Chemical composition analysis: chemical analysis method, instrumental analysis method (infrared C-S instrument, direct reading spectrometer, zcP, etc.).① Infrared C-S meter: Analyze ferroalloys, steelmaking raw materials, and C and S elements in steel.②Direct reading spectrometer: C, Si, Mn, P, S
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2024-01-31 What are the quality factors that affect seamless pipes & tubes? Let’s analyze them in detail:
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