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。
The effects of change in microstructure and residual stress distribution on Barkhausen noise (BN) on the bainitic steel side in a welded bainitic and austenitic steel pipe are studied.
研究了焊接贝氏体-奥氏体钢管贝氏体钢侧显微组织变化和残余应力分布对巴克豪森噪声（BN）的影响。
When inner side reinforcing steel bar of tip and bottom pipe were pulled, outer side were pressed.
管顶和管底的内侧钢筋受拉，外侧钢筋受压；
A plurality of side barbs are distributed around the central main barb, with every fishing line on every side barb threading a plastic branch pipe of an inside lining steel wire.
在中心主钓周边分布有若干旁钩，旁钩上的鱼线穿套在内衬钢丝的塑料支管内，塑料支管的中部通过连接件固接在基座的下部；
Seamless steel pipe, experts say this "ultimatum" approach, is the demand side is very excessive.
无缝钢管专家表示，这种“最后通牒”的方式，是对需求方非常过分的要求。
Seamless steel pipe, experts say this "ultimatum" approach, is the demand side is very excessive.
无缝钢管专家表示，这种“最后通牒”的方式，是对需求方非常过分的要求。
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