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- X70管線(xiàn)鋼X70 pipeline steel
- X70管線(xiàn)鋼環(huán)焊接頭girth joint of X70 pipeline steel
- 結果表明,厚壁X70管線(xiàn)鋼DWTT異常斷口有4種類(lèi)型。The conclusions show that the abnormal fracture surfaces of DWTT on X70 line pipe have four types.
- 通過(guò)對厚壁X70管線(xiàn)鋼的落錘撕裂試驗(DWTT),分析了X70管線(xiàn)鋼DWTT典型斷口和異常斷口形貌及其評價(jià)方法,研究了不同板厚和溫度對斷口形貌的影響。The appearance and its evaluation of typical facture surface were analyzed by Drop-weight tear tests (DWTT) on thick wall X70 high-grade steel line pipe. Furthermore, the effects of wall thickness and test temperature on the appearance of facture surface were studied.
- 應用動(dòng)電位掃描技術(shù),通過(guò)研究X70管線(xiàn)鋼在敏感性介質(zhì)中的陽(yáng)極極化行為,判斷X70鋼發(fā)生應力腐蝕破裂的可能性,并預測該鋼種在特定介質(zhì)中的SCC敏感電位區間;Firstly, the possibility and the sensitive potential region of SCC in X70 steel were studied with polarization curve.
- 管線(xiàn)鋼X70linepipe X70
- 控制熱加工下管線(xiàn)鋼中針狀鐵素體的形成ACICULAR FERRITE FORMATION IN A PIPELINE STEEL WITH THERMO-MECHANICAL CONTROL PROCESS
- X70鋼X70 steel
- X70鋼級X70grade
- 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
- 對高韌性管線(xiàn)鋼落錘撕裂試驗中異常斷裂現象的評價(jià)Evaluation for Abnormal Fracture Appearance in Drop Weight Tear Test with High Toughness Linepipe
- X70鋼級彎管X70 grade steel elbow
- 管線(xiàn)鋼pipeline steel
- 西氣東輸工程用針狀鐵素體鋼X70的試制Development of acicular ferrite X70 grade pipe steel for West to East Gas Projection
- X80管線(xiàn)鋼X80 pipeline steel
- BTA和HMMP對X70鋼在含H_2S弱酸性溶液中的緩蝕作用INHIBITION OF BTA AND HMMP TO X70 STEEL IN H_2S WEAK ACIDIC SOLUTION
- X65管線(xiàn)鋼X65 pipeline steel
- CPB和TU對X70鋼在硫酸溶液中的緩蝕行為的電化學(xué)研究Study on Inhibition Behavior of CPB and TU on X70 Steel in H_2SO_4 Solution
- HTP管線(xiàn)鋼HTP pipeline steel
- 管線(xiàn)用鋼pipeline steel
