Zeyu Metal Products Co., Ltd. Liaocheng geological tube specifications: 42 * 50 * 6/6.5 5/6/6.2 60 * 7.1 63.5 * 7.1/7.5 73 * 7 * 8 * 89 * 9.35 9.19 8.56 114.3 * 101.6 * 8.56 127 * 9.19 Material: D40 (50 Mn) DZ50 (45Mn2), R780 (36Mn2V), R780 (42MnMo7), DZ60 (45MnMoB). Generally 9 meters, or 9.2 meters in length, can be cut to length according to user needs. DZ50 (45Mn2) / R780 (36Mn2V) cheap round mining drill, R780 (42MnMo7) using normalizing heat treatment process round drill manufacturers, drill pipe has excellent mechanical properties, suitable for higher level drilling requirements (mainly for deep hole drilling and trenchless drill). Liaocheng Zeyu Metal Products Co., Ltd. can provide a variety of drill pipe, mainly in line with API SPEC 5DP the API standard drill pipe and drill oil in line with SY. Drill according to customer requirements, with the same level of drill pipe joints, and to the manufacture of drill pipe fittings meet API SPEC 7-1 standard. Advanced friction welded drill pipe production line welding parameters can be adjusted to the best position to ensure the quality of the welding zone; inside and outside at the same time cooling the heat treatment process, the mechanical properties of a more uniform and stable. Equipped with automatic length measuring weighing, automatic spray standard recording applications, to ensure product traceability. Advanced drill thickening and heat treatment production line. Using 1250T upsetting machine to ensure the pipe end dimensions meet API SPEC 5DP thickened standards; using CNC tube full length furnace, hardening machine, stove advanced heat treatment technology and precise temperature control to ensure that the mechanical properties of the tube. Than the straight tube hydraulic machine to ensure straightness and concentricity of pipe tube body. Drill, circular geological drill, circular hollow steel supplied by Zeyu metals. This information consists of: providing Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com), we are business alliance member, the integrity of the whole network authentication provider. Feel free to contact us, Contact: Mr. Sun