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- X70管线钢 X70 pipeline steel
- X70管线钢环焊接头 girth joint of X70 pipeline steel
- 结果表明,厚壁X70管线钢DWTT异常断口有4种类型。 The conclusions show that the abnormal fracture surfaces of DWTT on X70 line pipe have four types.
- 通过对厚壁X70管线钢的落锤撕裂试验(DWTT),分析了X70管线钢DWTT典型断口和异常断口形貌及其评价方法,研究了不同板厚和温度对断口形貌的影响。 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.
- 应用动电位扫描技术,通过研究X70管线钢在敏感性介质中的阳极极化行为,判断X70钢发生应力腐蚀破裂的可能性,并预测该钢种在特定介质中的SCC敏感电位区间; Firstly, the possibility and the sensitive potential region of SCC in X70 steel were studied with polarization curve.
- 管线钢X70 linepipe X70
- 控制热加工下管线钢中针状铁素体的形成 ACICULAR FERRITE FORMATION IN A PIPELINE STEEL WITH THERMO-MECHANICAL CONTROL PROCESS
- X70钢 X70 steel
- X70钢级 X70grade
- 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
- 对高韧性管线钢落锤撕裂试验中异常断裂现象的评价 Evaluation for Abnormal Fracture Appearance in Drop Weight Tear Test with High Toughness Linepipe
- X70钢级弯管 X70 grade steel elbow
- 管线钢 pipeline steel
- 西气东输工程用针状铁素体钢X70的试制 Development of acicular ferrite X70 grade pipe steel for West to East Gas Projection
- X80管线钢 X80 pipeline steel
- BTA和HMMP对X70钢在含H_2S弱酸性溶液中的缓蚀作用 INHIBITION OF BTA AND HMMP TO X70 STEEL IN H_2S WEAK ACIDIC SOLUTION
- X65管线钢 X65 pipeline steel
- CPB和TU对X70钢在硫酸溶液中的缓蚀行为的电化学研究 Study on Inhibition Behavior of CPB and TU on X70 Steel in H_2SO_4 Solution
- HTP管线钢 HTP pipeline steel
- 管线用钢 pipeline steel
