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HD Fowler Company Submittal-Bid Item#27 <br /> MATERIAL SPECIFICATIONS (2 of 2) <br /> M&H AWWA C515 RESILIENT WEDGE GATE VALVES (2000) <br /> STANDARD CAST BRONZE—ASTM B584 CDA836(Stem Nut) <br /> Physical Properties <br /> Minimum tensile strength 30,000psi <br /> Minimum yield strength 14,000psi <br /> Minimum elongation(in 2 inches) 20% <br /> Chemical Analysis <br /> *Copper 84.0–86.0 <br /> Lead 4.0–6.0 <br /> Tin 4.0–6.0 <br /> Nickel(maximum) 1.0 <br /> Zinc 4.0–6.0 <br /> *=CU+NI=79%Min <br /> CAST BRONZE–ASTM B584 CDA867(Stem) <br /> Physical Properties <br /> Minimum tensile strength 80,000 psi <br /> Minimum yield strength 32,000 psi <br /> Minimum elongation(in 2 inches) 15% <br /> Chemical Analysis <br /> Copper 55.0–60.0 <br /> Lead(maximum) .50–1.5 <br /> Aluminum 1.0–3.0 <br /> Iron 1.0-3.0 <br /> Nickel(maximum) 1.0 <br /> Zinc 30.0–38.0 <br /> Manganese 1.0–3.5 <br /> Tin(maximum) .2 <br /> ALTENATE CAST BRONZE–NDZ-S ASTM B763 UNS C99500(Stem <br /> Physical Properties <br /> Minimum tensile strength 70,000 psi <br /> Minimum yield strength 40,000 psi <br /> Minimum elongation(in 2 inches) 12% <br /> Chemical Analysis <br /> Copper 82.8 <br /> Lead(maximum) .25 <br /> Aluminum(maximum) 2.0 <br /> Iron(maximum) 5.5 <br /> Nickel(maximum) 5.5 <br /> Zinc(maximum) 2.0 <br /> Silicon(maximum) 2.0 <br /> September 1, 2012 / C515 Gate Valves <br />