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GMW15356
M00010433
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GMW15356 5th Edition, September 2019 Sheet Metal Rating Scale
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Description / Abstract: GMW15356, 5th Edition, September 2019 - Sheet Metal Rating Scale
Purpose.
The purpose of the rating scale is to allow comparison between vehicles and consistency between personnel. It is important to recognize that rating corrosion involves perception of an objectionable surface and much of the judgment is subjective. In developing the corrosion scales, some objective measure that guides subjective judgement is provided.