Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM C703-72(1999)

Standard Test Methods for Spalling Resistance of Porcelain Enameled Aluminum

Standard Test Methods for Spalling Resistance of Porcelain Enameled Aluminum C0703-72R99 ASTM|C0703-72R99|en-US Standard Test Methods for Spalling Resistance of Porcelain Enameled Aluminum Standard new BOS Vol. 02.05 Committee B08
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Scope

1.1 These test methods cover accelerated determination of the resistance of porcelain enamel coatings on aluminum alloys to spalling from exposure to moisture or weathering. Method A, using a 5% solution of ammonium chloride, requires 96-h immersion while Method B, using a 1% solution of antimony trichloride, is completed after 20 h of immersion. The spalling tendency is evaluated by the same criteria in both methods. While either method is suitable for magnesium silicon alloys, such as 6061, Method B is preferred for simple alloys or commercially pure aluminum, such as 1100.

1.2 The methods appear in the following order:

Sections Method A---Ammonium Chloride 4 to 9 Method B---Antimony Trichloride 10 to 15
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Details
Book of Standards Volume: 02.05
Developed by Subcommittee: B08.12
Pages: 3
DOI: 10.1520/C0703-72R99
ICS Code: 25.220.50