The Macomb Group stocks many sizes (1/8" to 36") and variations of steel pipe in Sch 40 and Sch 80 - ASTM A 53 Grades A, B, and A53 Type F Grade A. Black pipe is manufactured for ordinary use in steam, water, gas, or air lines. UL listed and FM approved, sizes 1” to 6” nominal, for use in fire sprinkler pipe applications. We carry A106 seamless pipe in Schedule 40, Sch 80 & Sch 160 wall thickness. Applications include: refineries, power plants, and boilers. Seamless carbon steel grades B & C pipe can be used for high pressure and high temperature service. Pipe is suitable for bending, flanging, and similar forming operations and for welding. Other pipe we have available are - API5L GRADE B, A-335 pipe and P11 & P22 pipe for Power Plant applications. We stock 1/2" to 2" P22 Sch 80, Sch 160 and XXH pipe for immediate delivery.