SECTION 07610 - SHEET METAL ROOFING

Periodic table reference Zn Thickness tolerance +/- 1/1000" (0.025 mm) Density 200 lb/in3 (7.2 kg/dm3) Thermal expansion 1/64"/ft 212° F (2.2 mm/m 100° C) Melting point 788° F (420° C) Re-crystallization point 572° F (300° C) Limit of elasticity: Rp 0.2 >= 14,504 PSI (100 N/mm2) Tensile strength >= 21,756 PSI (150 N/mm2) Elongation at ... ................
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