ASTM C1464-00
(Specification)Standard Specification for Bent Glass
Standard Specification for Bent Glass
SCOPE
1.1 This specification covers the requirements for bent glass used in general building construction, furniture, display, and various other nonautomotive applications.
1.2 The dimensional values, stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information only.
The following safety hazards caveat pertains only to the test method portion, Section , of this specification. 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.
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Designation: C 1464 – 00
Standard Specification for
Bent Glass
This standard is issued under the fixed designation C 1464; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2.1 bent glass, n—flat glass that has been shaped while
hot into a body having curved surfaces.
1.1 This specification covers the requirements for bent glass
3.2.2 chord, n—a straight line segment that joins two points
used in general building construction, furniture, display, and
of an arc.
various other nonautomotive applications.
3.2.3 compound bend, n—a profile shape composed of
1.2 The dimensional values, stated in SI units are to be
curvature of one or more radii, curved on two or more axes.
regarded as the standard. The values given in parentheses are
3.2.4 crossbend, n—deviation from a straight edge along a
provided for information only.
line perpendicular to the curvature measured on the concave
1.3 The following safety hazards caveat pertains only to the
side.
test method portion, Section 7, of this specification. This
3.2.5 degree of angle, n—the angular measurement of a
standard does not purport to address all of the safety concerns,
segment of a curve.
if any, associated with its use. It is the responsibility of the user
3.2.6 depth, n—on a circular bend, the distance from the
of this standard to establish appropriate safety and health
midpoint of a chord to the arc measured along its radius
practices and determine the applicability of regulatory limita-
perpendicular to the circumference.
tions prior to use.
3.2.7 elliptical bend, n—acurvedprofileshapecomposedof
2. Referenced Documents two or more tangential radii on a single axis.
3.2.8 girth, n—the distance around the concave or convex
2.1 ASTM Standards:
surface measured perpendicular to the height including any
C 162 Terminology of Glass and Glass Products
flats.
C 1036 Specification for Flat Glass
3.2.9 height, n—the length measurement of the edge per-
C 1048 Specification for Heat-Treated Flat Glass—Kind
pendicular to the horizontal arc or girth.
HS, Kind FT-Coated and Uncoated Glass
3.2.10 multiple bend, n—a profile shape composed of a
C 1172 SpecificationforLaminatedArchitecturalFlatGlass
curvature of two or more radii, all curved on a single axis, with
C 1422 Specification for Chemically Strengthened Flat
at least two of the curvatures possibly separated by a flat
Glass
(plane) area, and with or without one or more additional flat
2.2 Federal Document:
(plane) areas tangent to the curvatures.
CPSC 16 CFR 1201 Consumer Product Safety Commission
3.2.11 pock marks, n—process surface blemishs that consist
Safety Standard for Architectural Glazing Material
of small, shallow areas, circular in shape, on the surface of the
3. Terminology
glass.
3.2.12 Ring marks—processsurfaceblemishsthatconsistof
3.1 Definitions—Refer to Terminology C 162, Specifica-
shallow marks typically running along the perimeter of the
tions C 1036, C 1422, and C 1172, as appropriate.
glass surface.
3.1.1 Blemishes in Flat Glass—Refer to Specifications
3.2.13 Rotation—a condition where vertical edges (perpen-
C 1036, C 1048, C 1422, and C 1172, as appropriate.
dicular to arc) are not parallel to bending axis.
3.2 Definitions of Terms Specific to This Standard:
3.2.14 Serpentine bend—profile shape composed of con-
cave and convex curvatures of one or more radii on a single
This specification is under the jurisdiction ofASTM Committee C-14 on Glass
axis with or without flat areas tangent to the curvatures.
and Glass Products and is the direct responsibility of Subcommittee C14.08 on Flat
3.2.15 Shape—contoured form including curvature, arc(s),
Glass.
and even flats.
Current edition approved April 10, 2000. Published July 2000.
Reference to these standards shall be the latest revision unless otherwise 3.2.16 Single bend—a profile composed of a single radius
specified by the authority applying this specification.
curved on a single axis, possibly with one or two flat (plane)
Annual Book of ASTM Standards, Vol 15.02.
areas tangent to the curvature.
Available from the Superintendent of Documents, U.S. Government Printing
Office, Washington, DC 20402.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C1464–00
3.2.17 Twist—oneormoreofthecornersoftheglassarenot cessed with the requirements hereinafter specified for bent
in the same plane. glass and in accordance with the applicable requirements of
Specification C 1172 for laminated glass.
4. Classification
4.1.6 Kind BX—Bent glass with miscellaneous combina-
4.1 Kinds—Bent glass furnished under this specification
tions not previously combined.
shall be of the following kinds, as specified:
4.1.1 Kind BA—Bent glass shall be annealed flat glass,
5. Ordering Information
either transparent or patterned, in accordance with the appli-
5.1 Purchasers should include the following information in
cable requirements of Specification C 1036, as further pro-
procurement documents:
cessed to conform with the requirements hereinafter specified
5.1.1 Title, number, and date of this specification.
for bent glass.
4.1.2 Kind BCS—Chemically strengthened bent glass shall 5.1.2 Kind of bent glass as referred to in this specification
be flat glass, either transparent or patterned, in accordance with (see Section 4).
the applicable requirements of Specification C 1036, as further
5.1.3 Fabrication requirements (see Section 6).
processed to conform with the requirements hereinafter speci-
5.1.4 Thickness Requirements:
fied for bent glass and in accordance with the applicable
5.1.4.1 Overall thickness designation.
requirements of Specification C 1422 for chemically strength-
5.1.4.2 Thickness of individual lites in the laminate.
ened flat glass.
5.1.4.3 Interlayer thickness and type.
4.1.3 Kind BFT—Fully tempered bent glass shall be flat
glass, either transparent or patterned, in accordance with the 5.1.5 Nominal height, width, radius (see definitions and
applicable requirements of Specification C 1036, as further Figs. 1-3).
processed to conform with the requirements hereinafter speci-
5.1.5.1 Blackline or blueline prints, drawing, template, con-
fied for bent glass and in accordance with the applicable
figuration, specification, or other forms of information which
requirements of Specification C 1048 for fully tempered glass.
detail overall size, type of bend, and orientation.
4.1.4 Kind BHS—Heat-strengthened bent glass shall be flat
5.1.6 Safety standards or regulations to which the glass
glass, either transparent or patterned, in accordance with the
must conform.
applicable requirements of Specification C 1036, as further
5.1.7 Packaging Requirements—Glass packaging and pro-
processed to conform with the requirements hereinafter speci-
tection will be standard manufacturer practice unless otherwise
fied for bent glass and in accordance with the appli
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