iRubric: Welding Joints Oxygen/ Acetylene rubric

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Welding Joints Oxygen/ Acetylene Welding Joints Oxygen/ Acetylene Used to evaluate students performance on welding beads and joints Rubric Code: F92W9A By mdconroy Ready to use Public Rubric Subject: Vocational Type: Project Grade Levels: 9-12

Oxy/acetylene welding
	Unacceptable (N/A)	Needs Improvement (N/A)	Acceptable (N/A)	Very good (N/A)	(N/A)
Penetration	Unacceptable filler metal is on top of base metal, or burn through an bottom of base metal. Hole(s) in base metal	Needs Improvement shows evidence of adi penetration in some of the weld.	Acceptable shows evidence of good penetration in most of the weld.	Very good Weld bead has sufficient buildup, and no burn through	N/A
Width of Bead/Uniformity	Unacceptable Width of weld bead varies 3/32	Needs Improvement Width of bead weld varies 1/16	Acceptable Width of weld bead varies 1/32	Very good Width of weld bead varies 1/64	N/A
Height of bead	Unacceptable Not consistant and very uneven.	Needs Improvement 2 - 3 sections of weld bead too high or too low.	Acceptable 1 section or of weld bead too high or too low.	Very good Uniform correct bead build-up	N/A
Appearance	Unacceptable ripples uneven and rough.	Needs Improvement Most of the weld is rough and has uneven ripples.	Acceptable Some of the weld is rough and has uneven ripples.	Very good Weld is smooth and ripples are evenly spaced.	N/A
Proper Placement	Unacceptable Not welded in joint	Needs Improvement Welded in an out of the joint , legs unequal	Acceptable Welded mostly in the joint and fairly correct	Very good Excellent job of weld placement and equal legs	N/A