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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2026-01-20 1. Welding cracks in stainless steel pipes is caused by overheating. Hot cracks are cracks that occur during the high-temperature stage of the welding cooling process and mainly exist in the weld metal. A small number also occur near the joint, and they are classified as crystallization (solidificat
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2026-01-19 The main standards for St52.4 cold-drawn precision seamless steel pipes include the following:First, what are the main standards for St52.4 cold-drawn precision seamless steel pipes?St52.4 cold-drawn precision seamless steel pipes typically follow the following main standards:1) DIN 2391: This is a
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2026-01-16 First, what are the mechanical properties of SA106B seamless steel pipe?SA106B seamless steel pipe exhibits excellent mechanical properties, including high strength, high yield strength, and good toughness. Its main mechanical property indicators are as follows: Tensile strength: ≥415MPa, Yield stre
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2026-01-15 Coated steel pipes, also known as plastic-coated pipes, steel-plastic composite pipes, or plastic-coated composite steel pipes, are steel-plastic composite pipes formed by fusing a layer of plastic anti-corrosion coating onto the inner and outer surfaces of a steel pipe through processes such as spr
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