ASTM C503-05
(Specification)Standard Specification for Marble Dimension Stone
Standard Specification for Marble Dimension Stone
SCOPE
1.1 This specification covers the material characteristics, physical requirements, and sampling appropriate to the selection of marble for general building and structural purposes.
1.2 Dimension marble shall include stone that is sawed, cut, split, or otherwise finished or shaped into blocks, slabs or tiles, and shall specifically exclude molded, cast and artificially aggregated units composed of fragments, and also crushed and broken stone.
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Designation: C 503 – 05
Standard Specification for
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Marble Dimension Stone
This standard is issued under the fixed designation C 503; 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 4.1.2 II Dolomite.
1.1 This specification covers the material characteristics,
NOTE 1—See Terminology C119 for definitions of calcite and dolo-
physical requirements, and sampling appropriate to the selec-
mite.
tion of marble for general building and structural purposes.
5. Soundness
1.2 Dimension marble shall include stone that is sawed, cut,
split, or otherwise finished or shaped into blocks, slabs or tiles, 5.1 Marbles are further classified into four “Soundness”
groups. The basis of this classification is the characteristics
and shall specifically exclude molded, cast and artificially
aggregated units composed of fragments, and also crushed and encountered in fabrication and has no reference whatsoever to
comparative merit or value. The classifications merely indicate
broken stone.
what method of fabrication is considered necessary and accept-
2. Referenced Documents
able in each instance, as based on standard trade practice.
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2.1 ASTM Standards: Marble is classified by its producer.
C97 Test Methods for Absorption and Bulk Specific Grav- 5.2 The Soundness classifications indicate what repairs may
ity of Dimension Stone be necessary prior to or during installation, based on standard
C99 Test Method for Modulus of Rupture of Dimension trade practices.
Stone 5.3 The groupings A, B, C, and D, should be taken into
C119 Terminology Relating to Dimension Stone account when specifying marble, for all marbles are not
C 170 Test Method for Compressive Strength of Dimension suitableforallbuildingapplications.Thisisparticularlytrueof
Stone the comparatively fragile marbles classified under Soundness
C 241 Test Method for Abrasion Resistance of Stone Sub- Groups C and D, which may need additional fabrication before
jected to Foot Traffic or during installation. Only Soundness GroupAmarble should
C 880 Test Method for Flexural Strength of Dimension be used for structural, load bearing purposes.
Stone 5.3.1 The four groups are:
C 1353 Test Method Using the Taber Abraser for Abrasion 5.3.1.1 Group A—Sound marbles with uniform and favor-
Resistance of Dimension Stone Subjected to Foot Traffic able working qualities; containing no geological flaws, voids,
spalls, cracks, open seams, pits or other defects.
3. Terminology
5.3.1.2 Group B—Marble similar in soundness to GroupA,
3.1 Definitions—All definitions are in accordance with Ter- but with less favorable working qualities; may have natural
minologyC119.
faults; and may require a limited amount of one or more of the
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3.1.1 marble, n—a crystalline rock composed predomi- following: waxing , sticking , and filling .
nantly of one or more of the following minerals: calcite and
5.3.1.3 Group C—Marble with some variations in working
dolomite capable of taking a polish (see TerminologyC119). qualities; geological flaws, voids, and lines of separation are
common. It is standard practice to repair these variations by
4. Classification
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one or more of the following methods: waxing , sticking ,
4.1 Dimension marble is classified as follows:
4.1.1 I Calcite.
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This specification is under the jurisdiction of ASTM Committee C18 on
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Dimension Stone and is the direct responsibility of Subcommittee C18.03 on Waxing refers to the practice of filling minor surface imperfections such as
Material Specifications. voids or sand holes with melted shellac, cabinetmaker’s wax or certain polyester
CurrenteditionapprovedJune1,2005.PublishedJuly2005.Originallyapproved compounds. It does not refer to the application of paste wax to make the surfaces
in 1962. Last previous edition approved in 2003 as C 503 – 03. shinier.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or Sticking describes the butt edge repair of a broken piece now generally done
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM with dowels, cements or epoxies. The pieces are “stuck” together, thus “sticking.”
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Standards volume information, refer to the standard’s Document Summary page on Filling—voids,suchasthosewhichoccurnaturallyinmarble,canbefilledwith
the ASTM website. polyester compounds.
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C503–05
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filling , or cementing. Liners and other forms of reinforce- 6.3 Marble for interior use may be Soundness GroupA, B,
ment
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