ASTM B370-12
(Specification)Standard Specification for Copper Sheet and Strip for Building Construction
Standard Specification for Copper Sheet and Strip for Building Construction
ABSTRACT
This specification establishes the requirements for rolled copper sheets and strips in flat lengths or coils of ounce-weight thicknesses for roofing, flashing, gutters, downspouts, and general sheet metal work in building construction. Products produced to this specification are not intended for electrical applications. Materials are available in the following tempers: O60 (soft), H00 (cold-rolled), H01 (cold-rolled, high yield), H02 (half hard), H03 (three-quarter hard), and H04 (hard). Products shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional (mass, thickness, length, width, weight, and straightness), mechanical (tensile and yield strength, and Rockwell hardness), chemical composition, and grain recrystallization requirements.
SCOPE
1.1 This specification establishes the requirements for rolled copper sheet and strip in flat lengths or coils in ounce-weight thicknesses for roofing, flashing, gutters, downspouts, and general sheet metal work in building construction.
1.1.1 Products produced to this specification are not intended for electrical applications.
1.2 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.Note 1—Specification B101 is an associated specification for lead-coated copper sheets and strip for building construction.
1.3 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:B370 −12
Standard Specification for
1
Copper Sheet and Strip for Building Construction
This standard is issued under the fixed designation B370; 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 (´) 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. Scope* E255 Practice for Sampling Copper and Copper Alloys for
the Determination of Chemical Composition
1.1 Thisspecificationestablishestherequirementsforrolled
E478 Test Methods for ChemicalAnalysis of CopperAlloys
copper sheet and strip in flat lengths or coils in ounce-weight
thicknesses for roofing, flashing, gutters, downspouts, and
3. General Requirements
general sheet metal work in building construction.
1.1.1 Products produced to this specification are not in-
3.1 The following sections of Specification B248 constitute
tended for electrical applications.
a part of this specification:
3.1.1 Terminology,
1.2 Units—The values stated in inch-pound units are to be
3.1.2 Materials and Manufacture,
regarded as standard. The values given in parentheses are
3.1.3 Workmanship, Finish, and Appearance,
mathematical conversions to SI units that are provided for
3.1.4 Specimen Preparation,
information only and are not considered standard.
3.1.5 Test Methods,
NOTE 1—Specification B101 is an associated specification for lead-
3.1.6 Significance of Numerical Limits,
coated copper sheets and strip for building construction.
3.1.7 Inspection,
1.3 This standard does not purport to address all of the
3.1.8 Certification,
safety concerns, if any, associated with its use. It is the
3.1.9 Mill Test Report,
responsibility of the user of this standard to establish appro-
3.1.10 Packaging and Package Marking, and
priate safety and health practices and determine the applica-
3.1.11 Supplementary Requirements.
bility of regulatory limitations prior to use.
3.2 In addition, when a section with a title identical to that
2. Referenced Documents referenced in 3.1, above, appears in this specification, it
2
contains additional requirements, which supplement those
2.1 ASTM Standards:
appearing in Specification B248.
B101 Specification for Lead-Coated Copper Sheet and Strip
for Building Construction
4. Terminology
B248 Specification for General Requirements for Wrought
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
4.1 Definitions:
Bar
4.1.1 For definitions of terms related to copper and copper
B601 ClassificationforTemperDesignationsforCopperand
alloys, refer to Terminology B846.
Copper Alloys—Wrought and Cast
4.1.2 coil, n—a length of the product wound into a series of
B846 Terminology for Copper and Copper Alloys
connected turns.
E3 Guide for Preparation of Metallographic Specimens
4.1.2.1 Discussion—The unqualified term “coil” as applied
E8 Test Methods for Tension Testing of Metallic Materials
to “flat product” usually refers to a coil in which the product is
E112 Test Methods for Determining Average Grain Size
spirally wound, with the successive layers on top of one
another (sometimes called a “roll”).
4.1.3 lengths, mill, n—straight lengths, including ends, that
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
are be manufactured conveniently in the mills.
andCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.01onPlate,
Sheet, and Strip.
4.1.3.1 Discussion—Full length pieces usually are 8 or 10 ft
Current edition approved Oct. 1, 2012. Published December 2012. Originally
(2.4 or 3.0 m) and subject to established length tolerances.
ε1
approved in 1961. Last previous edition approved in 2011 as B370 – 11 . DOI:
10.1520/B0370-12.
4.1.4 length, stock, n—straight lengths that are mill cut and
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
stored in advance of orders.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.1.4.1 Discussion—They usually are 8 or 10 ft (2.4 or 3.0
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. m) and subject to established length tolerances.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
B370−12
TABLE 1 Thickness Tolerances of Sheet and Strip TABLE 2 Thickness Tolerances of Sheet and Strip to be Coated
for Flashing
Tolerances, Plus
Theoretical
2 A
2
Ounce-Weight/ft and Minus
Thickness, in. Ounce- Weight/ft Theoretical Tolerances,
A
(mm)
in. (mm)
Thickness, Plus and Minus
6 0.0081 (0.206) .001(.026) in. (mm)
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation: B370 − 11 B370 − 12
Standard Specification for
1
Copper Sheet and Strip for Building Construction
This standard is issued under the fixed designation B370; 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 («) 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
εNOTE—Section 12.1.2.1 was editorially corrected in March 2012.
1. Scope*
1.1 This specification establishes the requirements for rolled copper sheet and strip in flat lengths or coils in ounce-weight
thicknesses for roofing, flashing, gutters, downspouts, and general sheet metal work in building construction.
1.1.1 Products produced to this specification are not intended for electrical applications.
1.2 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are
mathematical conversions to SI units that are provided for information only and are not considered standard.
NOTE 1—Specification B101 is an associated specification for lead-coated copper sheets and strip for building construction.
1.3 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.
2. Referenced Documents
2
2.1 ASTM Standards:
B101 Specification for Lead-Coated Copper Sheet and Strip for Building Construction
B248 Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
B601 Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast
B846 Terminology for Copper and Copper Alloys
E3 Guide for Preparation of Metallographic Specimens
E8 Test Methods for Tension Testing of Metallic Materials
E112 Test Methods for Determining Average Grain Size
E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E478 Test Methods for Chemical Analysis of Copper Alloys
3. General Requirements
3.1 The following sections of Specification B248 constitute a part of this specification:
3.1.1 Terminology,
3.1.2 Materials and Manufacture,
3.1.3 Workmanship, Finish, and Appearance,
3.1.4 Specimen Preparation,
3.1.5 Test Methods,
3.1.6 Significance of Numerical Limits,
3.1.7 Inspection,
3.1.8 Certification,
3.1.9 Mill Test Report,
1
This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,
Sheet, and Strip.
Current edition approved May 15, 2011Oct. 1, 2012. Published June 2011December 2012. Originally approved in 1961. Last previous edition approved in 20092011 as
ε1
B370 – 09.B370 – 11 . DOI: 10.1520/B0370-11.10.1520/B0370-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
B370 − 12
3.1.10 Packaging and Package Marking, and
3.1.11 Supplementary Requirements.
3.2 In addition, when a section with a title identical to that referenced in 3.1, above, appears in this specification, it contains
additional requirements, which supplement those appearing in Specification B248.
4. Terminology
4.1 Definitions:
4.1.1 For definitions of terms related to copper and copper alloys, refer to Terminology B846.
4.1.2 coil, n—a length of the product wound into a series of connected turns.
4.1.2.1 Discussion—
The unqualified term “coil” as applied to “flat product” usually refers to a coil in which the product is spirally wound, with the
successive layers on top of one another (sometimes called a “roll”).
4.1.3 lengths, mill, n—straight lengths, including ends, that are be manufactured conveniently in the mills.
4.1.3.1 Discussion—
Full length pieces usually are 8 or 10 ft (2.4 or 3.0 m) and subject to established length tolerances.
4.1.4 length, stock, n—straight lengths that are mill cut and stored in
...
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