Pipe is made of aluminum with a satin clear anodized finish. Pipe is OSHA, IBC, BOCA, SBC, and UBC compliant, non-magnetic, non-sparking, and corrosion resistant. Aluminum is a 6063 alloy with a T5 hardness rating. Light weight for easy installation. Aluminium 6061, 6082, 5083, 5086, 5052 ,6063, 7075, 1100 Seamless Pipe.