ASTM E671 - 98(2016) - Standard Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus

ASTM E671 - 98(2016)

Standard Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus

Status : Current   Published : September 2016

Format
PDF

Format
HARDCOPY



1.1 This specification covers a limit for thermal residual stress in reusable annealed glass laboratory apparatus as determined by prescribed photoelastic measurement procedures.

1.2 In broad classification, the laboratory glassware items covered by this specification, but not limited to, are:

[This table has been removed.]

1.3 This specification recognizes that photoelastic measurements are proportional to the difference of the principal stresses. The limit imposed represents a safety factor to cover a situation in which one of the principal stresses may be larger than the apparent stress.

1.4 This specification applies only to annealed glassware that is intended for sale as such. It excludes glassware that has been thermally tempered, ion-exchanged, or laminated with glass layers of differing expansion. The intent of this specification is to limit the residual stresses for safe consumer use in annealed glass, as it leaves the manufacturer.

1.5 Stresses introduced by thermal expansion differences within the glassware are covered by this specification. Graded and glass-to-metal seals are excluded.




Standard NumberASTM E671 - 98(2016)
TitleStandard Specification for Maximum Permissible Thermal Residual Stress in Annealed Glass Laboratory Apparatus
StatusCurrent
Publication Date01 September 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Annealed glass, Residual, Stress
ICS71.040.20
PublisherASTM
FormatA4
DeliveryYes
Pages3
File Size82 KB
Price£36.00


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