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20#Carbon Steel Elbow
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- 商品名稱: 20#Carbon Steel Elbow
20# carbon steel elbow refers to the elbow made of 20# seamless steel pipe as the base material. Carbon steel has good performance and economy, and is a commonly used elbow in fluid pipeline construction. Other commonly used carbon steel materials are 20#, A3, Q235, Q235A, Q235B, ASTM A234WPB, A105, etc. 20# carbon steel elbow is a pipe fitting that changes the direction of the pipeline in the pipeline system. There are three types of elbows commonly used in fluid pipeline engineering construction: 45°, 90°, and 180°. Mark elbow. Elbow connection methods include: direct butt welding, flange connection, threaded connection and socket connection. The elbow production process can be divided into: welding elbow, stamping elbow, push elbow, casting elbow, etc. Carbon steel elbow is a very commonly used pipe fittings and is widely used in chemical, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, electricity, aerospace, shipbuilding and other basic projects.
Commonly used materials for carbon steel elbows: (20#, A3, Q235, Q235A, Q235B, 20G, 16Mn, ASTM A234WPB, etc.);
20# carbon steel elbow is divided according to its radius of curvature: it can be divided into long radius elbow and short radius elbow. The long radius elbow refers to the outer diameter of the pipe whose radius of curvature is equal to 1.5 times, that is, R=1.5D. Short radius elbow means that its radius of curvature is equal to the outer diameter of the pipe, that is, R=1.0D. (D is the diameter of the elbow, and R is the radius of curvature).
According to the pressure level: there are about seventeen kinds, which are the same as the American pipe standards, including: Sch5s, Sch10s, Sch10, Sch20, Sch30, Sch40s, STD, Sch40, Sch60, Sch80s, XS; Sch80, SCH100, Sch120 , Sch140, Sch160, XXS; the two most commonly used are STD and XS.
20# carbon steel elbows can be divided into: grooved elbows, ferrule elbows, double bearing elbows, flanged elbows, reducing elbows, fixed seat elbows, internal and external tooth elbows according to different shapes and uses , Stamping elbow, push elbow, socket elbow, butt welding elbow, inner wire elbow, etc.
Chinese pipe fittings manufacturing standard:
GB/T12459-2017 Steel Butt Welding Seamless Pipe Fittings
GB/T13401-2017 Butt welded pipe fittings made of steel plate
SH/T3408-2012 Steel Butt Welding Seamless Pipe Fittings
SH/T3409-1996 Butt welded pipe fittings made of steel plate
SH/T3410-2012 Forged Steel Socket Welded Pipe Fittings
GB/T10752-1995 Marine steel pipe butt welding joint
GB/T12772-1999 Flexible interface cast iron pipes and fittings for drainage
American pipe fittings manufacturing standard:
ASME/ANSI B16.9 Factory Manufactured Seamless Steel Tube Butt Weld Fittings
ASME/ANSI B16.11 Socket Weld and Threaded Forged Fittings
ASME/ANSI B16.28 Steel Butt Welded Small Radius Elbows and Backbends
ASME/ANSI B16.5 Pipe Flanges and Flange Fittings
MSS SP-43 Forged Stainless Steel Butt Weld Fittings
MSS SP-83 Socket Weld and Threaded Union
MSS SP-97 Integral Reinforced Socket for Socket Weld, Threaded and Butt Weld Ends- 20#Carbon Steel Elbow
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