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导致厚壁钢管断裂的原因

作者:聊城市五钢钢材有限公司   时间:2019/4/29 14:05:26  来源:http://cp11811.com

  导致厚壁钢管断裂的原因

  导致厚壁钢管纵裂的原因是多方面的,有材料的要素,也有工艺的要素。如厚壁无缝钢管本身塑性差或退火不良,纵裂呈现的机率就会添加,但根本原因在于冷拔后的厚壁无缝钢管存在较高的剩余应力。

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45号厚壁钢管