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- X80级管线钢管X80 grade pipeline steel pipe
- 在成功研究、制订西气东输用X70级针状铁素体型管线钢、钢管技术条件的基础上,结合“X80级管线钢管应用工程”具体情况,通过大量试验研究,编制了X80级管线钢、钢管“技术条件”。Through plentiful test and research under the basis of successful research and establish the technical conditions of grade X70 acicular ferrite pipeline steel,steel pipe for West to East Gas transmission pipeline,To combine the specific instances of"Application of Grade X80 Pipelines Project"and write"technical conditions"of grade X80 pipeline steel and steel pipe.
- X80级管线钢X80 pipeline steel
- 同时指出,X80级管线钢和钢管在强度测试、拉伸试验试样制备、DWTT试验的异常断口判定以及碳当量的计算公式等方面,相应的公认技术标准还不够完备,应在应用过程中完善标准。Meantime it points out that the related recognized technical standard is not maturity in strength test,sample prepare of tensile test and the abnormity fracture determining of DWTT as well as calculation formula of Carbon equivalent,etc. . of grade X80 pipeline steel and steel pipe and the standard need perfect during application process.
- 内外涂层防腐工艺对高钢级管线钢管力学性能的影响Affects on Mechanical Properties of High Grade Line Pipe by Internal and External Coating Procedure
- X80级X80 grade
- X80级钢管X80 grade steel pipe
- 管线钢管Steel linepipe
- X80级螺旋埋弧焊管X80 grade SSAW pipe
- 管线钢管腐蚀坑焊接补强技术Weld Strength Technology of Pipeline Corrosion Dent
- 大学英语四级College English Band 4
- X80X80 grade
- 船级ship' classification
- X80钢卷X80 plate coil
- 他将望远镜收进一根钢管内。He slipped the telescope into a steel tube.
- X80厚壁焊管X80 grade steel pipe with heavy thickness
- 大学英语六级考试CET-6 [College English Test, Band Six]
- X80钢与WPHY80钢X80 and WPHY80
- 暗管线closed conduit wiring
- 钢管里塞满了脏物。The steel tubes were clogged with dirty matters.
