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什么是双面埋弧焊螺旋钢管

作者: 编辑: 来源: 发布日期: 2021.02.03
信息摘要:
双面埋弧焊螺旋钢管是指采用双面埋弧螺旋焊接技术,将窄钢带(钢板)卷连续焊接而成的钢管。双面埋弧螺旋焊接钢管生产工艺简单、设备自动化程度较高、…

双面埋弧焊螺旋钢管

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双面埋弧焊螺旋钢管

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1、双面埋弧焊螺旋钢管成型过程中,钢板变形均匀,残余应力小,表面不产生划伤。加工的钢管在直径和壁厚的钢管尺寸规格范围上,有较大的灵活性,尤其在生产高钢级厚壁钢管,特别是大口径厚壁管方面具有特别的工艺优势,可满足用户在钢管规格方面更多的要求;
2、采用先预焊后内外焊(精焊)的工艺,可在合适的位置实现焊接,不易出现错边、焊偏和未焊透等缺陷,容易控制焊接质量;
3、进行整体机械扩径,可有效地提高双面埋弧焊螺旋钢管的尺寸精度,并改善钢管内应力的分布状态,从而避免由于应力腐蚀造成的破坏,同时有利于现场的焊接施工;
4、对双面埋弧焊螺旋钢管进行9项全面的质量检查,使螺旋钢管生产的全过程均在有效的检测、监控之下,较好地保证了埋弧焊钢管产品质量;
5、整条生产线的全部设备具备与计算机数据采集系统联网的功能,实现数据即时传输,由中央控制室对生产过程中的技术参数和质量指标进行收集。




                   

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