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Technical requirements for elbows

2023-08-30
 Latest company case about Technical requirements for elbows

1. Since most of the pipe fittings are used for welding, in order to improve the welding quality, the ends are beveled with a certain angle and a certain side. This requirement is also strict, how thick the side, how much angle and deviation The scope is stipulated. 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 being connected is the same.

2. That is, all pipe fittings must be surface treated, and the iron oxide scale on the inner and outer surfaces is sprayed off by shot blasting, and then coated with anticorrosive paint. This is for export needs. Moreover, it is also for the convenience of transportation in the country to prevent corrosion and oxidation. This work must be done.

3. It is the requirement of packaging. For small pipe fittings, such as export, it is necessary to make a wooden box, which is about 1 cubic meter. It is stipulated that the number of elbows in this box should not exceed one ton. The standard allows suits, that is, large sets of small, However, the total weight should generally not exceed 1 ton. For large items, single packaging is required, such as 24″ must be individually packaged. The other is the packaging mark, the mark must indicate the size, steel number, batch number, manufacturer's trademark, etc.