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- X80級管線(xiàn)鋼管X80 grade pipeline steel pipe
- 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.
- X80級管線(xiàn)鋼X80 pipeline steel
- 同時(shí)指出,X80級管線(xiàn)鋼和鋼管在強度測試、拉伸試驗試樣制備、DWTT試驗的異常斷口判定以及碳當量的計算公式等方面,相應的公認技術(shù)標準還不夠完備,應在應用過(guò)程中完善標準。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.
- 內外涂層防腐工藝對高鋼級管線(xiàn)鋼管力學(xué)性能的影響Affects on Mechanical Properties of High Grade Line Pipe by Internal and External Coating Procedure
- X80級X80 grade
- X80級鋼管X80 grade steel pipe
- 管線(xiàn)鋼管Steel linepipe
- X80級螺旋埋弧焊管X80 grade SSAW pipe
- 管線(xiàn)鋼管腐蝕坑焊接補強技術(shù)Weld Strength Technology of Pipeline Corrosion Dent
- 大學(xué)英語(yǔ)四級College English Band 4
- X80X80 grade
- 船級ship' classification
- X80鋼卷X80 plate coil
- 他將望遠鏡收進(jìn)一根鋼管內。He slipped the telescope into a steel tube.
- X80厚壁焊管X80 grade steel pipe with heavy thickness
- 大學(xué)英語(yǔ)六級考試CET-6 [College English Test, Band Six]
- X80鋼與WPHY80鋼X80 and WPHY80
- 暗管線(xiàn)closed conduit wiring
- 鋼管里塞滿(mǎn)了臟物。The steel tubes were clogged with dirty matters.
