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<br />Thermal Conductivity, <br />Btu at 2SoC (77"F) <br />Average Coefficient of <br />Thermal Expansion <br />at 680 to 2120F <br /> <br />960 960 960 <br /> <br />0.0000132 0.0000132 0.0000132 <br /> <br />These typical properties are average values. For more detailed information, consult <br />specifications below. <br /> <br />FABRICATING PERFORMANCE <br />5052~ 5052-H32 <br /> <br />5052-H34 <br /> <br />Maximum thickness, <br />o radius, 900 Cold Bend <br />Machining <br />Brazing <br />Welding: Arc <br />Gas <br />Resistance <br /> <br />1/8 in. <br />Good <br />Fair <br />Excellent <br />Good <br />Excellent <br /> <br />1/16 in. <br />Good <br />Fair <br />Excellent <br />Good <br />Excellent <br /> <br />1/32 in. <br />Good <br />Fair <br />Excellent <br />Good <br />Excellent <br /> <br />GOVERNMENT'AND INDUSTRIES SPECIFICATIONS <br /> <br />AMS <br />ASTM <br />Federal <br />Military <br />SAE <br /> <br />5052-0 <br />4015 <br />B209,GR20A-O <br />QQ-A-25 0/8 <br />None <br />201 <br /> <br />5052-H32 <br />4016 <br />B209, GR20A-H32 <br />QQ-A-250/8 <br />None <br />201 <br /> <br />5052-H34 <br />4017 <br />B209,GR20A-H34 <br />QQ-A-2S0/8 <br />None <br />201 <br /> <br />Structural metal for concealed framing shall be of hot or cold rolled steel or <br />structural alwninum as required to properly satisfy sign engineering <br />specifications. <br /> <br />C. Foam Tape: Provide polyurethane foam tape or "Isotac" laminate tape as <br />manufactured by 3-M, applied to sign components as required, non-visible. <br /> <br />D. HardwarelHinges: Provide and install all incidental hardware necessary for the <br />proper functioning of the signs, including but not restricted to materials and <br />products covered in this section. <br /> <br />Provide stainless steel hinges for all hinged access panels. Provide pin tumbler <br />with corrosion proof parts and mechanism locks for all access panels requiring <br />locks. Provide stainless steel fasteners for assembling ferrous and non-ferrous <br />metals. <br /> <br />r- <br /> <br />/l <br /> <br />02841-5 <br />