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Application scope of alloy butt-welded fittings
23 May,2025
Alloy butt-weld fittings refer to fittings made of alloy steel material, connected to pipelines by butt welding, commonly used in pipeline systems under harsh conditions such as high temperature, high pressure, and corrosion resistance. Common types include butt-weld elbows, tees, reducers, and caps, widely applied in industries such as petroleum, chemical, electric power, boilers, and nuclear power.
Alloy: refers to a metal formed by melting two or more metallic elements (sometimes including non-metallic elements) together, aiming to obtain superior properties compared to a single metal, such as higher strength, better corrosion resistance, or high-temperature resistance. Common alloying elements in steel include chromium (Cr), nickel (Ni), molybdenum (Mo), vanadium (V), etc.
Butt welding: is a welding method where the ends of two pipes or fittings are aligned, pressure is applied, and they are heated to a certain temperature to fuse together. The characteristic of butt-welded joints is that the weld seam is flush with the surface of the pipe or fitting, forming a smooth transition.
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