W316L SS LR Elbow ASTM A403 90 Degree 2 Inch 300 LB Silver gray
In the pipeline system, the elbow is a pipe fitting that changes the direction of the pipeline. 45 and 90 by angle Three of the most commonly used, in addition to engineering needs including 60 other abnormal angle elbow. The elbow materials are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics.
The way to connect with the pipe is: direct welding (the most commonly used way) flange connection, hot melt connection, fused connection, thread connection and socket connection. According to the production process can be divided into: welding elbow, stamping elbow, push elbow, casting elbow, butt welding bend, etc. Other name :90 degree bend, right angle bend, etc.
1. because most of the pipe fittings are used for welding, in order to improve the welding quality, the end part is groove, leaving a certain angle, with a certain edge, this requirement is also more strict, how thick the edge, how much angle and deviation range are stipulated. The surface quality and mechanical properties are basically the same as the pipe. For the convenience of welding, the pipe fittings are the same as the steel type of the connected pipe.
2., all pipe fittings must be surface treated, the internal and external surface of the oxide sheet through shot peening treatment, and then coated with anticorrosive paint. This is for export needs, moreover, in the domestic is also to facilitate transportation to prevent corrosion and oxidation, to do this work.
3. is the requirement of packing for small pipe fittings, such as export, need to make wooden cases, about 1 cubic meter, the number of bends in this box should not exceed one ton, this standard allows suits, that is, large sets and small ones. But the total weight should not exceed 1 ton. For large y, a single package, such as 24" must be a single package. Also is the packing mark, the mark is to indicate the size, the steel number, the batch number, the factory trademark and so on.
| Chinese name | 弯头 | Angle | 45 and 90 180 Three most commonly used |
| Foreign Language | elbow | attended mode | Direct welding flange connections |
| Alias | forge and press；forge and stamp | Classification | Welding elbow, punching elbow, pushing elbow, etc |
| | | Applications | Plumbing installation |
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ASTM A403 2 Inch 90 Degree Pipe Elbow Fittings , Elbow 90 LR Silver gray Images
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