0-20mm 0-35mm (0~1-3/8") 0-40mm 0-50mm 0.7-4mm 1, 1.2, 2.0, 2.5, 3.0, 3.25, 4.0, 5.0mm 1.5, 2, 3.5mm 25mm 60°, 70°, 80°, 90° 62x77mm 99x84mm —

0.1mm 0.2mm 1mm 1mm (1/32") 62x77mm 99x84mm —

amount of porosity per 25mm angle fillet weld height fit-up gap length LxW theoretical leg height of concave weld thickness 45° angle 60° angle