螺旋焊管
| 螺旋焊管 | 口径 | 219--2220mm |
| 壁厚 | 6--18mm | |
| 标准 | SY/T5037-2000 GB9711.1 GB9711.2 API5L | |
| 材质 | Q235B/Q345B/L245/L290/L360/L415/L485/20#/API 5L.B/X42/X46/X52/X56/X60/X65/X70/X100等 | |
| 说明 | 双丝、双面埋弧焊螺旋钢管是电弧在焊剂层下进行焊接的方法，利用焊丝与焊剂之间在焊剂层下燃烧的电弧产生的热量，熔化焊丝焊剂和母材金属而形成。该产品的其主要特点一是双面埋弧焊接，不仅熔敷率高，而且具有深熔能力；二是电弧及焊接区受到良好的保护， 焊缝质量优良，致密性好，且焊缝外观平整、光滑，能够满足对焊缝各种性能的要求。主要用于石油、煤气、天然气、输水管道、热力发电等普通流体工程 |
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无缝钢管 | 无缝钢管 口径 140--273mm 壁厚 6--26mm 标准 GB/T8162-1999 GB/T8163-1999 GB3087-1999 GB5310-1999 API5L API 5CT 材质 Q345B/20#/10#/45#/J55/K55/API 5L.B/X... |
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螺旋焊管 | 螺旋焊管 口径 219--2220mm 壁厚 6--18mm 标准 SY/T5037-2000 GB9711.1 GB9711.2 API5L 材质 Q235B/Q345B/L245/L290/L360/L415/L485/20#/API 5L.B/X42/X46/X52/X... |
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直缝钢管 | 直缝焊管 口径 219--406mm 壁厚 6--14mm 标准 GB3091-2001 GB9711.1 GB9711.2 API5L API 5CT 材质 Q235B/Q345B/L245/L290/L360/L415/L485/20#/API 5L.B/X42/X46/... |
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