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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/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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