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2010年9月18日,渤海装备华油钢管公司使用首钢京唐钢铁联合有限责任公司的X90钢级卷板,成功研制出X90钢级Φ1422mm×15.3mm螺旋缝埋弧焊管。渤海装备华油钢管公司严格按照API Spec5L(第44版)标准要求,对研制的钢管进行了母材超声波分层探伤、X射线检查、静水压试验、焊缝超声波探伤和成品外观几何尺寸检查,并对不同位置的焊管进行了理化性能试验,结果表明焊管各
On September 18, 2010, Huayou Steel Pipe Company of Bohai Sea successfully used the X90 steel grade Coil of Shougang Jingtang Iron & Steel Joint Co., Ltd. to successfully develop the X1410mm-class spiral submerged arc welded pipe with X90 grade. Bohai Oilfield Steel Pipe Company in strict accordance with API Spec5L (44th Edition) standard requirements, the development of the parent steel stratified ultrasonic testing, X-ray inspection, hydrostatic pressure test, ultrasonic testing of weld and the finished appearance of the geometric dimensions of the inspection , And the physical and chemical properties of welded pipe at different locations, the results show that the welded pipe