Black pipe from Grainger can be ideal in low-pressure applications like handling air, water, septic materials, natural gas and steam. Choose from steel or welded steel construction. Steel pipe and fittings can be more durable and corrosion-resistant than iron pipe and stronger than PVC pipe. Black welded steel can also look great in addition to being durable. Stock up on black pipe and other galvanized piping from Grainger for use in construction, plumbing and utility jobs.