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- X70级管线钢X70 grade pipeline steel
- 研究了一种适用于管道钢管和管件制造的X70级管线钢在不同加热温度下的奥氏体晶粒长大规律和组织-性能间的关系。The article discusses and finds the Auster grain growing rules and relations of structure and properties of X70 steel in weld pipe and pipe accessories under the different heating temperature.
- 在不同试验温度条件下,对各种缺口形式的X70级管线钢DWTT试样进行了落锤撕裂试验,并对试验中的有关数据进行了分析。To conduct drop weight tear test to DWTT specimen for each kind of notch type of grade X70 pipeline steel under different test temperature conditions and analyzes the related datum during test.
- 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.
- X70级热轧卷板X70 grade hot rolled coil
- X65级管线钢X65 grade pipeline steel
- X70级针状铁素体类管线用钢板的生产研究Manufacture Research of GR. X70 Acicular Ferrite Plate for Pipeline Steel
- 铸钢cast(carbon) steel
- 螺纹钢deformed steel bar
- 大学英语四级College English Band 4
- 带钢band steel
- 船级ship' classification
- 轻钢龙骨lightgage steel joist
- X80级管线钢管X80 grade pipeline steel pipe
- 粗钢crude steel
- 大学英语六级考试CET-6 [College English Test, Band Six]
- 耐热钢refractory steel
- 院级institute-level
- 全钢all-steel
- 单级single stage
