These Schedule 40 galvanized pipe nipples meet or exceeds ASTM and ANSI Standards. We stock them from 1/8" through 6" diameters and are available in lengths up to 72 inches. Galvanized pipe applications include air, natural gas, non-potable water, oil and steam. These class 150 galvanized nipples are extremely rust-resistant due to their zinc-coated steel. Because of this, they are mainly used for outdoor and industrial applications. They can withstand tough weather conditions.