1627 - ALUMINUM SIGNING MATERIALS 1600-43
1627.1 Description
This specification covers aluminum alloy materi als and hardware items for fabricating signs.
1627.2 Requirements
a. General. Provide materials that comply with the di mensions shown in the Contract Documents. Tolerances are as shown in the Contract Documents or as specified by ASTM or othe r referenced specifications. Provide aluminum alloys that comply with TABLE 1627-1. TABLE 1627-1: ALUMINUM ALLOYS FOR SIGNS Material Test Method Alloy Fasteners Bolts and Screws ASTM B 211 Alloys 2024-T4* or 6061-T6 Nuts, ¼ inch tap and under ASTM B 211 Alloy 2024-T4* Nuts, 5/16 inch tap and over ASTM B 211 Alloys 6061-T6 or 6262-T9 Washers, Flat ASTM B 209 Alloy 2024 with 1230, T4 temper (Alclad 2024-T4) Washers, Spring Lock ASTM B 211 Alloy 7075-T6 Locknuts ASTM B 211 Alloy 2017-T4* Rivets, blind (Front entry, expanding) ASTM B 316 Alloys 2017-F* or 2117-F* Post Clips ASTM B 108 Alloys (cast) 356.0-T6, A356.0-T61 or 356.0-F Structural Panels ASTM B 209 Alloy 3003-H18 or 5052-H38 Structural Panel Stiffeners ASTM B 221 Alloy 6063-T6 Sign Blanks ASTM B 209 Alloys 6061-T6, 6063-T6, 5154-H38 or 5052-H38 Detachable Legend for Signing ASTM B 209 Alloy 3003-H14 * Anodize to produce an oxide coating not less than 0.0002 inch thick and seal to decrease permeability.
1627.3 Test Methods
As specified in the various ASTM standards referenced in TABLE 1627-1
1627.4 Prequalification
None Required.
1627.5 Basis of Acceptance
Receipt and approval of a Type D certification as specified in DIVISION 2600. Visual inspection at destination for condition and compliance with dimensional and other requirements.
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