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- X70級管線(xiàn)鋼X70 grade pipeline steel
- 研究了一種適用于管道鋼管和管件制造的X70級管線(xiàn)鋼在不同加熱溫度下的奧氏體晶粒長(cháng)大規律和組織-性能間的關(guān)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.
- 在不同試驗溫度條件下,對各種缺口形式的X70級管線(xiàn)鋼DWTT試樣進(jìn)行了落錘撕裂試驗,并對試驗中的有關(guān)數據進(jìn)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、制訂西氣東輸用X70級針狀鐵素體型管線(xiàn)鋼、鋼管技術(shù)條件的基礎上,結合“X80級管線(xiàn)鋼管應用工程”具體情況,通過(guò)大量試驗研究,編制了X80級管線(xiàn)鋼、鋼管“技術(shù)條件”。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級熱軋卷板X70 grade hot rolled coil
- X65級管線(xiàn)鋼X65 grade pipeline steel
- X70級針狀鐵素體類(lèi)管線(xiàn)用鋼板的生產(chǎn)研究Manufacture Research of GR. X70 Acicular Ferrite Plate for Pipeline Steel
- 鑄鋼cast(carbon) steel
- 螺紋鋼deformed steel bar
- 大學(xué)英語(yǔ)四級College English Band 4
- 帶鋼band steel
- 船級ship' classification
- 輕鋼龍骨lightgage steel joist
- X80級管線(xiàn)鋼管X80 grade pipeline steel pipe
- 粗鋼crude steel
- 大學(xué)英語(yǔ)六級考試CET-6 [College English Test, Band Six]
- 耐熱鋼refractory steel
- 院級institute-level
- 全鋼all-steel
- 單級single stage
