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/X42/X52/X60 X70等 | |
| 说明 | 热轧无缝钢管 具有中空截面，大量用作输送流体的管道，钢管与圆钢等实心钢材相比，在抗弯抗扭强度相同时，重量较轻，是一种经济截面钢材，广泛用于制造结构件和机械零件，如石油钻杆、汽车传动轴、自行车架以及建筑施工中用的钢脚手架、流体输送、石油天然气输送及开采、锅炉等 |
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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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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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