API 5L steel line pipe adopts different steel grades, generally are Gr. B, X42, X46, X52, X56, X60, X65, X70, X80. Some manufacturers are capable of manufacturing steel grade up to X100 and X120. As the steel line pipe grades higher, more strictly control on the carbon equivalent control, and higher mechanical strength performances.
Oil Pumps - MellingMelling is the leader in oil pump engineering, prototyping, and production. We specialize in several different styles of oil pumps including:Variable Displacement Oil Pumps, Vane Oil Pumps, Cast Iron Oil Pumps, Gerotor Oil Pumps, Aluminum Oil Pumps, Crescent Gear Oil Pumps, and traditional Spur Gear Oil Pumps. Melling oil pumps provide dependable performance every 
Sheet Hot Roll Commercial Steel - A 1011 CS Type B (CQ) This specification covers hot-rolled carbon steel sheets of commercial quality, in coils and cut lengths, having a maximum carbon of 0.15%. This material is intended for parts where bending, moderate forming or drawing, and welding may be involved. This specification
Transportation ::ArcelorMittal USAArcelorMittal is a leading supplier of steel plates for shipbuilding. Our steel products are used to build all varieties of ships, including the United States naval fleet, barges and commercial shipping. We supply steel plates in different dimensions and conditions, as rolled, normalized, shot blasted and painted for specific applications.Steel for Oil & Gas Pipes - ArcelorMittalThe Oil & Gas welded pipe industry requires a large variety of steels to accommodate the most severe conditions. Depending on the final application we offer three steel product families. Presenting our Steel for Oil & Gas families Line Pipe (API 5L, ISO 3183, EN 10208-2) For pipeline transportation systems Black Hot Rolled Steel Coils and Sheets