D4627

D4627-92(1997)
Standard Test Method for Iron Chip Corrosion for Water-Dilutable Metalworking Fluids

The results obtained by this test are a useful guideline in determining the ability of water diluted metalworking fluids to prevent or minimize rust under specific conditions. There is usually a relationship between the results of this test and a similar ability of the subject coolant to prevent rust on nested parts or in drilled holes containing chips, etc. It must be understood, however, that conditions, metal types, etc. found in practice will not correlate quantitatively with these controlled laboratory conditions. The procedure may not be able to differentiate between two products with poor rust control due to the wide spacing between test dilutions

1.1 This test method covers evaluation of the ferrous corrosion control characteristics of water-dilutable metalworking fluids.

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