1018 steel it is the carbon steel from ASTM standard, so it also called AISI 1018 carbon steel in steel industrial. From the carbon steel, it contain the carbon element in 0.15-0.20%, belong to a low carbon steel which was widely used in pistons, screws,
carbon steel seamless pipe 1.Product introduction of the carbon steel seamless pipe. Carbon steel seamless pipe is a kind of long steel with hollow section and no seams. 2.Product specification of the carbon steel seamless pipe. OD: DN25~DN1000 WT: 2.5-80