The defects will be found in the seam side with ultrasonic inspection but hardly found with X ray inspection as the small diameter spiral pipe production with the split strip steel.
采用纵剪带钢生产小口径螺旋焊管时，超声波检验经常在焊缝的一侧发现缺陷波，而X射线拍片检验却很难发现。
In the production of spiral weld pipe, the quality of the online automatic submerged arc welding is of significant importance to the final steel pipe product.
在螺旋焊管的生产过程中，在线埋弧自动焊的焊接质量对最终钢管产品的质量具有十分重要意义。
The results of batch manufacture grade X80 spiral and longitudinal submerged arc welded pipe all meet the pipe technical conations required by"Grade X80 Pipeline Steel Pipe Application Project";
X80钢螺旋缝和直缝埋弧焊管的批量试制结果全部符合“X80级管线钢管应用工程”钢管技术条件的要求；
During the Spiral welded pipe production, the main reasons of manual bend caused in strip steel are unusual aline of strip steel in strip steel connection weld process.
在螺旋焊管生产过程中，钢带产生人为硬弯的主要原因是对头焊工序中钢带不能对齐所致。
The result indicated that the failure cause of the stainless steel spiral pipe is the stress corrosion crack induced by Cl- ion.
结果表明，不锈钢盘管失效的原因是氯离子引起的应力腐蚀开裂所致。
Our main products are steel wire weaving and wire spiral rubber hose, oil drilling pipe, oil and liquefied petroleum gas and special gas hose, sandblast pipe.
我公司主要产品有钢丝编织和钢丝缠绕胶管、石油钻探管，石油液化气及天然气专用胶管、喷沙管等。
Our main products are steel wire weaving and wire spiral rubber hose, oil drilling pipe, oil and liquefied petroleum gas and special gas hose, sandblast pipe.
我公司主要产品有钢丝编织和钢丝缠绕胶管、石油钻探管，石油液化气及天然气专用胶管、喷沙管等。
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