Welding Rubric |
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Master | Advanced | Proficient | Basic | Does not meet expectations | |
Weld Height & Width | Weld height, width 100% Uniform width and thickness throughout the entire length of each weld. |
Bead is uniform width all along the length of each weld. Has a smooth appearance | Bead maintains width and length. Shows some small blemishes along the weld | Not a uniform thickness through out the weld. Thickness goes to extremes | Weld is cut off in places, not uniform along the weld. Shows bare spots |
Appearance | 100% Smooth with uniform dense ripples, doesn’t show the bead traveling to fast or slow | Weld shows a constant speed and uniformity the entire length | Weld shows a constant speed with some blemishes that are minimal | Weld shows definite areas of speeding up and slowing down. Ripples tend to be coarse | Weld has been done to fast or to slow. Weld is not complete |
Face of Bead | 100% Convex, free of voids and high spots, shows uniformity throughout the bead | Has a nice rounded look. Is not overly high, or low. Bead covers a wide area of each weld. | Bead is well rounded, mostly uniform over the length of the weld. Shows some high spots / low spots | Bead shows many high/ low area's. Total lack of uniformity throughout the weld | Weld does not blend into one single bead. |
Edge of Bead | 100% Good fusion, no overlapping or undercutting | Toes and edges are smooth complete fusion into each weld. Undercutting is kept to a minimum, Weld does not float on surface | Moderately smooth fusion. Undercutting /overlap are present. Strength of the weld is still strong | Overlap and undercut are very apparent. Weld lacks strength and flow | Metal is burned through/ Weld has no connection to metal, |
Beginning & Ending of Bead | 100% Crater well filled | End of each weld is complete, the line doesn't taper off | Weld ending is full but shows some tapering and a crater present | Crater distinctly present at the end of the bead. | Metal is burned through at the end |
Surrounding Plate | 100% Welding surface free of spatter | Spatter is kept to a minimum. | Some spatter is present but not displeasing | Spatter is in large amounts | Spatter takes away from the integrity of the weld. |
Penetration | 100% Complete without burn through | Weld penetrates deep into the metal and adds strength and fusion to the edges and depth. | Weld penetrates but does not re surface through the bottom of a full penetration joint welds/weld penetrates when it should not | Weld is uneven in depth, lacks uniformity along weld length. | Weld floats on top of the metal. Has no strength |