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- X80級管線(xiàn)鋼X80 pipeline steel
- 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)鋼管X80 grade pipeline steel pipe
- 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.
- X80級X80 grade
- X65級管線(xiàn)鋼X65 grade pipeline steel
- X80級鋼管X80 grade steel pipe
- X80級Nb-Cr鋼管Nb-Cr X80 grade steel pipe
- 鑄鋼cast(carbon) steel
- 螺紋鋼deformed steel bar
- X80級螺旋埋弧焊管X80 grade SSAW pipe
- 帶鋼band steel
- 輕鋼龍骨lightgage steel joist
- 大學(xué)英語(yǔ)四級College English Band 4
- X80X80 grade
- 粗鋼crude steel
- 船級ship' classification
- X80厚壁焊管X80 grade steel pipe with heavy thickness
- 耐熱鋼refractory steel
- 大學(xué)英語(yǔ)六級考試CET-6 [College English Test, Band Six]
