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A182 F5 F11 F12 F51 Alloy WN Flange within the allowable range of process and environment
Weld Neck Flange is flanges that designed to be joined to a piping system by butt welding. This kind of flange include lots of specification.
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Chrome moly alloy flanges offer improved levels of chromiumand molybdenum. The added chromium helps increase the steel¡¯s hardenability andcorrosion resistance, whereas the increased molybdenum helps bolster itstoughness and corrosion resistance. They are made of alloy, manganese, and chromium, and their wall thickness varies depending on the pressure classes and diameters of the pipes.
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