ASTM A182 is a specification for forged or rolled alloy and stainless steel pipe flanges, fittings, valves, and parts. It covers a wide range of materials, including grades such as F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, and 904L. In this case, you mentioned “Nipple Outlets” in relation to these materials. Nipple outlets,