ASTM C1048-2012 Standard Specification for Heat-Strengthened and Fully Tempered Flat Glass 《热处理高温回火平板玻璃的标准规格》.pdf
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1、Designation: C1048 12Standard Specification forHeat-Strengthened and Fully Tempered Flat Glass1This standard is issued under the fixed designation C1048; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A
2、number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers the requirements for mono-li
3、thic flat heat-strengthened and fully tempered coated anduncoated glass produced on a horizontal tempering systemused in general building construction and other applications.1.2 This specification does not address bent glass, or heat-strengthened or fully tempered glass manufactured on a verti-cal t
4、empering system.1.3 The dimensional values stated in SI units are to beregarded as the standard. The units given in parentheses are forinformation only.1.4 The following safety hazards caveat pertains only to thetest method portion, Section 10, of this specification: Thisstandard does not purport to
5、 address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2,3C162 Term
6、inology of Glass and Glass ProductsC346 Test Method for 45-deg Specular Gloss of CeramicMaterialsC724 Test Method for Acid Resistance of Ceramic Decora-tions on Architectural-Type GlassC978 Test Method for Photoelastic Determination of Re-sidual Stress in a Transparent Glass Matrix Using aPolarizing
7、 Microscope and Optical Retardation Compen-sation ProceduresC1036 Specification for Flat GlassC1203 Test Method for Quantitative Determination of Al-kali Resistance of a Ceramic-Glass EnamelC1279 Test Method for Non-Destructive Photoelastic Mea-surement of Edge and Surface Stresses in Annealed,Heat-
8、Strengthened, and Fully Tempered Flat GlassC1376 Specification for Pyrolytic and Vacuum DepositionCoatings on Flat GlassE1300 Practice for Determining Load Resistance of Glassin Buildings2.2 ANSI Standard:Z97.1 Safety Performance Specifications and Methods ofTest for Safety Glazing Materials Used in
9、 Buildings42.3 Other Documents:CPSC 16 CFR 1201 Safety Standard for ArchitecturalGlazing Materials53. Terminology3.1 DefinitionsFor definitions of terms used in this speci-fication, refer to Terminology C162 and Specification C1036.3.2 Definitions of Terms Specific to This Standard:3.2.1 bow, nthe d
10、eviation in flatness of a lite of glass,expressed over the entire width or length dimension of theglass or over a smaller, local area (see 10.7 for measurementtechnique). Also known as warp.3.2.2 heat-treated glass, na term used to reference bothheat-strengthened and fully tempered glass.3.2.3 heat-
11、treating, vthe process of heating and coolingannealed glass in a tempering system to produce eitherheat-strengthened or fully tempered glass.3.2.4 thermal stress, nedge stress caused by thermalgradients across the glass surface.4. Classification4.1 KindsFlat glass furnished under this specifications
12、hall be of the following kinds, as specified (see Section 6):1This specification is under the jurisdiction of ASTM Committee C14 on Glassand Glass Products and is the direct responsibility of Subcommittee C14.08 on FlatGlass.Current edition approved March 15, 2012. Published May 2012. Originallyappr
13、oved in 1985. Last previous edition approved in 2004 as C1048 04. DOI:10.1520/C1048-12.2Reference to these documents shall be the latest issue unless otherwisespecified by the authority applying this specification.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM C
14、ustomer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Available from American National Standards Institute, 25 W. 43rd St., 4thFloor, New York, NY 10036, and the Accredited Standards Committee Z97 web
15、sitein electronic format at .5Available from Superintendent of Documents, U.S. Government PrintingOffice, Washington, DC 20402.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.1 Kind HSHeat-strengthened glass shall be flat glass,e
16、ither transparent or patterned, in accordance with the appli-cable requirements of Specification C1036 as further processedto conform with the requirements hereinafter specified forheat-strengthened glass.4.1.2 Kind FTFully tempered glass shall be flat glass,either transparent or patterned in accord
17、ance with the appli-cable requirements of Specification C1036 as further processedto conform with the requirements hereinafter specified for fullytempered glass.4.2 ConditionsGlass furnished under this specificationshall be of the following conditions, as specified (see Section6):4.2.1 Condition AUn
18、coated surfaces.4.2.2 Condition BFully or partially ceramic coated glass.(See 8.3.)4.2.3 Condition COther coated glass. (See 8.4.)4.3 Types, Classes, Forms, Qualities, and Finishestheseare described in Specification C1036.5. Intended Use5.1 Kind HSHeat-strengthened glass is used as architec-tural gl
19、azing when additional resistance to wind pressure orthermal stress, or both, is desired, but the strength or safetybreak pattern of fully tempered glass is not required. Whenbroken, heat-strengthened glass fragments are more similar insize and shape to annealed glass fragments than to fullytempered
20、glass particles, and thus tend to stay in the openinglonger than fully tempered glass particles.NOTE 1Caution: Monolithic heat-strengthened glass is not suitablefor safety glazing as defined by ANSI Z97.1 or CPSC 16 CFR 1201.5.2 Kind FT Fully tempered glass is used in architecturalglazing applicatio
21、ns when significant additional strength isneeded to resist wind pressure or thermal stress, or both. Whenbroken, fully tempered glass fractures (dices) into relativelysmall particles. Fully tempered glass with sufficient surfacecompression to meet the requirements of safety glazing stan-dard CPSC 16
22、 CFR 1201 orANSI Z97.1, or both, is considereda safety glass because it fractures into relatively small piecesthereby greatly reducing the likelihood of serious cutting orpiercing injuries in comparison to ordinary annealed glass. Forsome applications, such as doors used for passage, tub andshower e
23、nclosures and fixed glass in close proximity to awalking surface, fully tempered safety glass is required bybuilding codes and ordinances. Fully tempered safety glass isoften used for other applications where its strength or safetycharacteristics, or both, are desirable such as table tops, counterto
24、ps, show case enclosures, refrigeration and food serviceequipment, furniture, and similar applications.6. Ordering Information6.1 Purchasers should select the preferred options permittedin this specification and include the following information inprocurement documents:6.1.1 Number, date, and title
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