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1.1 This specification covers the establishment of the requirements for pre-patinated (artificially aged) copper sheet and strip in ounce-weight thicknesses supplied in flat lengths for roofing, flashing, and other architectural applications.
1.2 The pre-patinated surface is the result of chemical reaction with the copper and shall be applied on one side of the product.
1.2.1 The pre-patinated surface formed is comparable in color and ability to be bent or formed to the surface formed in naturally occurring patinated copper.
1.3 The pre-patinated surface is not the result of coating applications such as painting.
1.4 Materials made to this specification are not intended to be used for electrical applications.
1.5 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
A companion specification for copper sheet and strip for building construction is Specification B 370.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B248 Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
B370 Specification for Copper Sheet and Strip for Building Construction
B571 Practice for Qualitative Adhesion Testing of Metallic Coatings
B601 Classification for Temper Designations for Copper and Copper Alloys--Wrought and Cast
B846 Terminology for Copper and Copper Alloys
E8 Test Methods for Tension Testing of Metallic Materials
E478 Test Methods for Chemical Analysis of Copper Alloys
G23 Practice for Operating Light-Exposure Apparatus (Carbon-Arc Type) With and Without Water for Exposure of Nonmetallic Materials
ICS Number Code 77.150.30 (Copper products); 91.100.99 (Other construction materials)
UNSPSC Code 12141711(Copper Cu); 72152604(Architectural sheet metal service)