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平板对接试件45°爬坡焊 1.焊接工艺参数试件材质为16Mn钢。坡口型式及其尺寸如图4所示。其中钝边尺寸为0,反变形角度为2°～2.5°。起弧端与收弧端的根部间隙分别为2.5mm与3mm。
Flat docking specimens 45 ° climbing welding 1. Welding parameters of the specimen 16Mn steel. Groove type and size shown in Figure 4. Including blunt edge size of 0, the anti-deformation angle of 2 ° ~ 2.5 °. The root clearance between the arcing end and the arcing end is respectively 2.5 mm and 3 mm.