Geological drill pipe, DZ40 geological drill manufacturers, DZ40 geological drill provided by Zeyu metal. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) is a high quality business alliance Liaocheng certification companies, has Zeyu other brands, has a good reputation, honesty, service-oriented "business alliance customer service," click on the page icon, we will be happy to serve you! Liaocheng Zeyu Metal Products Co. is a geological drill core drilling for geological department DZ40 geological drill pipe used in factories, is a hollow section, no seams around the long geological drilling steel. Geological tube (YB235-70) Steel hollow section, a large number of fluids used for pipeline transportation, such as the transportation of oil, gas, gas, water and some solid materials, pipes and so on. Use can be divided into the drill pipe, drill collar, core pipe, casing and precipitation tubes. 42 * 5/6 / 6.2 50 * 6 / 6.5 60 * 7.1 63.5 * 7.1 / 7.5 73 * 7 * 8 * 9.19 89 * 9.35 101.6 * 8.56 114.3 * 8.56 127 * 9.19 D40 (50 Mn) DZ50 (45Mn2), R780 (36Mn2V), R780 (42MnMo7), DZ60 (45MnMoB). Drill (Drill pipe): drill drilling tool connected to power transmission lever. Usually part of the drill string are: drill, drill collars, drill pipe, stabilizers, special fittings and kelly. Liaocheng Zeyu Metal Products Co., Ltd. can provide a variety of petroleum geology drill drill, 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 tool joints, drill pipe and fittings manufactured in line with API SPEC 7-1 standards. Advanced drill pipe friction welding production line welding parameters can be adjusted to best position DZ40 geological drill to ensure the quality of the welding zone; both inside and outside the cooling of the heat treatment process, the mechanical properties of a more uniform and stable. Length measurement with automatic weighing, automatic spray application record label, to ensure product traceability. Advanced drill thickening and heat treatment production line. Upsetting machine using 1250T guarantee thicker pipe end dimensions meet the requirements of API SPEC 5DP standard; full-length CNC tube furnace, hardening machine, back to the stove and advanced heat treatment process to ensure accurate temperature mechanical properties of the tube. Hydraulic tube straightening machine guarantee straightness and concentricity tube pipe body.