Standards 16: Carbon and Stainless Steel Welding Neck Flange Bores

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Carbon and Stainless Steel Welding Neck Flange Bores Flange bores of welding neck flanges according ASME/ANSI B16.5-1996

Pipe Flanges and Flanged Fittings – can be found in the table below:

1) Stainless steel Schedule 10S diameters are equal to Light Wall in sizes up to 12″ and to Schedule 10 above