What material is used for pipe caps?
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What is the manufacturing method for pipe caps? Are pipe caps made from pipes or sheets of material?
Should the pipe caps generally be purchased as finished products? ! There’s no need to make it yourself; it can be considered a fitting. If the operating conditions are not stringent, it is sufficient to use steel plates made of the same material as the pipe, with the same thickness or a slightly greater thickness, and weld them directly onto it
The material should be that used for pipes; carbon steel is usually 20 steel, while austenitic stainless steel is generally 0Cr18Ni9.
Conventional pipe caps are manufactured by pressing with a pressure ring; those with thick walls are made from forgings, while those with extremely large diameters are produced through spinning. Pipe caps are all made from sheet metal.
Official hats can also be fabricated by oneself; round steel is used, with carbon steel of type Q235-A and stainless steel of type 0Cr18Ni9.
GB12459-2005 contains specific regulations; the original poster can study them*.
I think any material will work; it depends on the specific shape and size of your hat.
It is important to know how official hats are made. As long as it can be made into an official hat, any material will do. Pipes, forgings, bars, and sheets are all acceptable. Write it in the schedule according to the circumstances. It’s not possible to make official hats from tubes, but it is possible to use the material from tubes. When designing abroad, the standards of the pipe fittings should be indicated in the material list
Pipe fitting standards include pipe caps; you can take a look – the material is usually the same as that of the main pipe.
The GB12459-2005 standard explains it very well; it’s worth studying carefully*