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/X52/X56/X60/X65/X70等 | |
| 说明 | 直缝高频焊钢管成型工艺先进,质量可靠,焊位好,焊接参数稳定,焊接速度快,产量高,整条生产线的设备及技术均为目前国际一流水平。产品特点 (1) 直缝高频焊钢管成型过程中回弹小、残余应力小。 (2) 形变硬化效果小,整圆后几何尺寸精确,有利于保证施工和焊接质量。 (3) 直缝高频焊钢管焊道形状好,不容易出现咬边,内外焊不对中等缺陷。 (4) 直缝钢管焊道分布在圆周一个点上,因此,可按使用要求把焊缝放在有利位置上.主要用于陆上、海洋油气、煤浆、矿浆介质的输送及海洋平台、电站、化工和城市建筑结构用管。 |
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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/... | |
| 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... | |
| 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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