ASTM-C632 Standard Test Method for Reboiling Tendency of Sheet Steel for Porcelain Enameling

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Standard Test Method for Reboiling Tendency of Sheet Steel for Porcelain Enameling



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1.1 This test method covers the determination of whether a sheet steel for porcelain enameling will reboil under a given set of worse case conditions.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Significance and Use

5.1 The results of this test indicate whether or not a sheet steel will cause reboiling under one given set of enameling conditions and enable the enamel processor to establish a possible source of imperfections in the finished coating.

5.2 This test method is normally used to test samples from lots, coils, or lifts of sheet steel which for some reason, production problems, defects evident on enameled parts, or production experience are suspected of causing defects in enameled ware which have the appearance of reboiling. It is often used to establish whether a problem exists with the bare steel or other factors such as the porcelain enamel, processing contamination, and so forth.


ICS Number Code 25.220.50 (Enamels)

To find similar documents by ASTM Volume:

02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)

To find similar documents by classification:

25.220.50 (Enamels)

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Document Number


Revision Level

1988 R16 EDITION



Modification Type


Publication Date

Nov. 15, 2016

Document Type

Test Method

Page Count

3 pages

Committee Number