2026-01-30 Currently, the most common method for cutting spiral welded steel pipes is plasma cutting. This process generates a large amount of metal vapor, ozone, and nitrogen oxide fumes, severely polluting the surrounding environment. The key to solving the fume problem is how to completely draw the plasma f
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2026-01-29 First, what are some rust removal technologies for straight seam steel pipes?In the anti-corrosion construction of oil and gas pipelines, the surface treatment of straight seam steel pipes is one of the key factors determining the service life of the pipeline's anti-corrosion coating. It is a prereq
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2026-01-28 First, what are the technical requirements for straight seam steel pipes?According to GB3092 "Welded Steel Pipes for Low-Pressure Fluid Transportation" standard, the nominal diameter of straight seam steel pipes is 6~150mm, the nominal wall thickness is 2.0~6.0mm, and the length is usually 4~10 mete
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2026-01-27 First, what are the classifications of oil casing?Oil casing can be broadly classified according to its application into surface casing, intermediate casing, production casing, and drilling casing.(1) Surface Casing: Surface casing uses a casing head installed at the top to suspend and support subse
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2026-01-26 (1) During extrusion, the temperature of the inner lining of the spiral welded steel pipe continuously increases with the progress of the extrusion process. At the end of extrusion, the temperature in the area near the extrusion die on the inner wall of the lining is relatively high, reaching 631℃.
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2026-01-23 First, what are the chemical composition characteristics of SA-106Gr.C alloy steel pipe?Carbon: Content is generally between 0.27% and 0.33%. Carbon is one of the key elements determining the strength of steel. An appropriate carbon content allows the alloy steel pipe to achieve good strength after
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2026-01-22 Cold-drawn steel pipes are widely used in machinery manufacturing, automotive parts, hydraulic systems, and other fields due to their high precision and good surface quality. However, incorrect specification selection can easily lead to problems such as incompatibility and substandard performance, r
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2026-01-21 First, what is the chemical composition of A335P11 alloy steel pipe?(1) Carbon: Content between 0.05% and 0.15%. Carbon can improve the strength and hardness of steel, ensuring the structural stability of the steel pipe under high-temperature and high pressure environments.(2) Manganese: Generally 0
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