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Stainless Steel Elbow
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- Description
- Parameters
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- 商品名稱: Stainless Steel Elbow
Stainless steel elbows do not simply refer to one type of elbows, but represent more than one hundred industrial stainless steel elbows, each of which has good performance in its specific application field. The first is to figure out the purpose of the stainless steel elbow, and then determine the correct stainless steel grade. Commonly used stainless steel elbow materials are 304, 304L, 316, 316L and so on. They all contain chemical components such as chromium and nickel. For example, adding molybdenum can further improve atmospheric corrosion, especially the corrosion resistance of chloride-containing atmosphere. Stainless steel elbows are pipe fittings that change the direction of the pipeline in the pipeline system. There are three kinds of elbows commonly used in the construction of fluid pipeline engineering: 45°, 90°, and 180°, and other non-standard elbows such as 60° are customized according to the needs of the project. 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, electric power, aerospace, shipbuilding and other basic projects.
⑴. Commonly used materials for stainless steel elbows: (304, 304L, 316, 316L, S30408, S30403, S31608, S31603, SUS304, ASTM A403, TP321, TP317L, 347, 0Cr18Ni9, 00Cr19Ni10, 00Cr17Ni14Mo2, 1Cr18Ni9, 22Cr17Ni12Mo12, etc.)
⑵. According to the production method, it can be divided into pushing, pressing, forging, casting, etc.
3. According to the manufacturing standard, it can be divided into national standard, electrical standard, ship standard, chemical standard, water standard, American standard, German standard, Japanese standard, Russian standard, etc.
⑷. 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).
⑸. 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.
⑹. According to different shapes and uses, it can be divided into: grooved elbow, ferrule elbow, double bearing elbow, flange elbow, reducing elbow, fixed seat elbow, internal and external teeth elbow, 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- Stainless Steel Elbow
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