Stainless steel elbow(elbow)In a pipeline system, a pipe fitting that connects two pipes with the same or different nominal diameters to make the pipeline turn at a certain Angle. The classification of elbows: By Angle, the commonly used ones include45°,90°and180°Three types, and in addition, according to the engineering requirements, it also includes60°Other non-standard Angle elbows, etc. The connection methods with the pipe include: direct welding(Common ways)Flange connection, threaded connection, socket connection, etc.
Technical requirements
1Since most pipe fittings are used for welding, in order to improve the welding quality, the ends are all turned into bevels, leaving a certain Angle and a certain edge. This requirement is also quite strict, with regulations on the thickness of the edge, the Angle and the deviation range. The surface quality and mechanical properties are basically the same as those of the pipe. For the convenience of welding, the steel grade of the pipe fitting and the pipe to be connected is the same.
2For small pipe fittings, such as for export, they need to be packed in wooden cases, approximately1Cubic meters. It is stipulated that the number of elbows in this type of box should not exceed approximately one ton. This standard allows for sets, that is, large sets with small ones, but the total weight generally should not exceed1Ton. For large itemsyIt should be packaged individually, like24″Those must be packaged individually. Another aspect is the packaging marking. The marking should indicate the size, steel grade, batch number, manufacturer's trademark, etc.
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