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A brief introduction to the manufacturing process of marine elbows.
Release time:
Oct 20,2020
Marine elbows are commonly used pipe fittings in plumbing installations. They are employed at pipe bends to change the direction of the pipeline. Other names for marine elbows include 90° elbows, right-angle elbows, stamped elbows, pressed elbows, machined elbows, and welded elbows. The primary purpose of marine elbows is to connect two pipes with either the same or different nominal diameters, enabling the pipeline to make turns at angles of 90°, 45°, 180°, and various other degrees. If the bending radius of a marine elbow is less than or equal to 1.5 times the pipe diameter, it is classified as an elbow; if the bending radius exceeds 1.5 times the pipe diameter, it is classified as a bend.
Marine elbow It is a commonly used pipe fitting in plumbing installations, employed at pipe bends to change the direction of the pipeline. Marine elbow Other names: 90 °Elbows, right-angle elbows, stamped elbows, pressed elbows, machined elbows, welded elbows, and more.
Marine elbow Its primary purpose is to connect two pipes with the same or different nominal diameters, enabling the pipeline to... 90 °、 45 °、 180 ° and turns of various degrees. Marine elbow whose bending radius is less than or equal to the pipe diameter. 1.5 Belongs to the multiple. Elbow , larger than the pipe diameter 1.5 The double is part of the bend.
Marine elbow Production Process A brief introduction:
1 Welding electrodes should be kept dry during use; titanium-calcium type electrodes should be… 150 ℃ dry 1 Hours, low-hydrogen type should be subjected to 200-250 ℃ dry 1 Hours (do not repeatedly dry the electrodes, otherwise the flux coating may easily crack and flake off). Prevent the electrode flux coating from getting contaminated with oil or other dirt, which could lead to... Marine elbow The weld seam increases the carbon content and affects the quality of the welded component. Marine elbow During welding, repeated heating causes the precipitation of carbides, which reduces both corrosion resistance and mechanical properties. After welding, the material exhibits significant hardening, making it prone to cracking. Marine elbow If welding with the same type of electrode is adopted, it is mandatory to perform... 300 Preheating above ℃ and post-welding 700 Slow cooling treatment at around ℃. If the welded component cannot undergo post-weld heat treatment, chromium-nickel stainless steel welding electrodes should be selected.
2 To improve Marine elbow Appropriately increase the amount of stabilizing elements to enhance corrosion resistance and weldability. You 、 Nb 、 My Wait—weldability is somewhat better. When using chromium stainless steel electrodes of the same type, it is necessary to perform... 200 Preheating above ℃ and post-welding 800 Tempering treatment at around ℃. If the welded component cannot undergo heat treatment, chromium-nickel stainless steel welding electrodes should be selected.
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