ASTM B370-98

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Designation: B 370 – 98
Standard Specification for
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Copper Sheet and Strip for Building Construction
This standard is issued under the fixed designation B 370; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope * 3. General Requirements
1.1 This specification establishes the requirements for rolled 3.1 The following sections of Specification B 248 constitute
copper sheet and strip in flat lengths or coils in ounce-weight a part of this specification:
thicknesses for roofing, flashing, gutters, downspouts, and 3.1.1 Terminology,
general sheet metal work in building construction. 3.1.2 Materials and Manufacture,
1.1.1 Products produced to this specification are not in- 3.1.3 Workmanship, Finish, and Appearance,
tended for electrical applications. 3.1.4 Specimen Preparation,
1.2 Values given in inch-pound units are to be regarded as 3.1.5 Test Methods,
the standard. Values given in parentheses are provided for 3.1.6 Significance of Numerical Limits,
information only. 3.1.7 Inspection,
3.1.8 Certification,
NOTE 1—Specification B 101 is a companion specification for lead-
3.1.9 Mill Test Report,
coated copper sheets.
3.1.10 Packaging and Package Marking, and
1.3 This standard does not purport to address all of the
3.1.11 Supplementary Requirements.
safety concerns, if any, associated with its use. It is the
3.2 In addition, when a section with a title identical to that
responsibility of the user of this standard to establish appro-
referenced in 3.1, above, appears in this specification, it
priate safety and health practices and determine the applica-
contains additional requirements, which supplement those
bility of regulatory limitations prior to use.
appearing in Specification B 248.
2. Referenced Documents
4. Terminology
2.1 ASTM Standards:
4.1 Definitions—For definitions of terms related to copper
B 101 Specification for Lead-Coated Copper Sheets and
and copper alloys, refer to Terminology B 846.
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Strip for Building Construction
4.1.1 coil, n—a length of the product wound into a series of
B 248 Specification for General Requirements for Wrought
connected turns. The unqualified term “coil” as applied to “flat
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
product” usually refers to a coil in which the product is spirally
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Bar
wound, with the successive layers on top of one another
B 601 Practice for Temper Designations for Copper and
(sometimes called a “roll”).
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Copper Alloys—Wrought and Cast
4.1.2 lengths, mill, n—straight lengths, including ends, that
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B 846 Terminology for Copper and Copper Alloys
can be manufactured conveniently in the mills. Full length
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E 3 Methods of Preparation of Metallographic Specimens
pieces usually are 8 or 10 ft (2.4 or 3.0 m) and subject to
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E 8 Test Methods for Tension Testing of Metallic Materials
established length tolerances.
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E 53 Methods for Chemical Analysis of Copper
4.1.3 lengths, specific, n—straight lengths that are uniform
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E 112 Test Methods for Determining Average Grain Size
in length, as specified, and subject to established length
E 255 Practice for Sampling Copper and Copper Alloys for
tolerances.
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Determination of Chemical Composition
4.1.4 length, stock, n—straight lengths that are mill cut and
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E 478 Chemical Analysis of Copper Alloys
stored in advance of orders. They usually are 8 or 10 ft (2.4 or
3.0 m) and subject to established length tolerances.
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4.1.5 sheet, for building construction, n— a rolled flat
This specification is under the jurisdiction of ASTM Committee B-5 on Copper
and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,
product over 24 in. (610 mm) in width and of ounce-weight
Sheet, Strip, and Rolled Bar.
thickness from 8 to 48 oz (225 to 1360 g).
Current edition approved Oct. 10, 1998. Published March 1999. Originally
e1 4.1.6 strip, for building construction, n— a rolled flat
published as B 370 – 61. Last previous edition B 370 – 92 .
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Annual Book of ASTM Standards, Vol 02.01. product up to 24 in. (610 mm), inclusive, in width and of
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Annual Book of ASTM Standards, Vol 03.01.
ounce-weight thickness from 8 to 48 oz (225 to 1360 g).
4
Annual Book of ASTM Standards, Vol 03.05.
4.1.7 ounce-weight, n—the weight of copper sheet or strip
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Annual Book of ASTM Standards, Vol 03.06.
*A Summary of Changes section appears at the end of this standard.
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