[Geological drill] | geological drill production | Geological finished drill pipe provided by Zeyu metal. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) have been "business alliance certification", please rest assured purchase through the entire network, click on the page query "Business Alliance Certified icon" of our authentication information. You can also click on the "Business Alliance Customer Icons" on this page directly contact our customer service! Liaocheng Zeyu Metal Products Co. is a geological drill pipe for geological department of geological exploration drill core drilling, is a hollow section, no seams around the long geological drilling steel. Geological tube (YB235-70) Steel hollow section mine geological drill pipe, pipeline fluid is used a lot, 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) geological drill pipe production, 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., geological drill pipe grade R780 R780 (42MnMo7). The steel tube wall thickness, diameter moderate, stable steel grade performance, torsional resistance. In geological core drilling, water well drilling, hydrogeological drilling, engineering drilling for both played a good performance and standards.