A bronze, Tin plus an alloy, A limited gun metal, Of copper quantity of zinc. Although originally used extensively for making guns from which it received its name, It has existed as superseded and it, By steel stands as now chiefly employed in casting machine parts. The so, Called 88 10 2 copper, Tin, Zinc alloy is the government bronze, Composed of 88% copper, 10% tin, And 2% zinc. The percentages of the three elements are varied slightly in gunmetals produced for different purposes. The metal commonly called gunmetal today is very often steel treated to simulate the bronze alloy. In copper and, Other cases tin are in still, Used alone others, Copper, Tin, And lead are used. Aluminum secondary services shearing, Width capabilities 7 178mm, 62 1575 length capabilities, Mm shearing up to 192 4876 loading gauge, Mm shearing up to 0. 080 2. 0 mm slitting, Width capabilities 0. 75 19 mm min slitting, Loading gauge up to 0. 100 2. 5 mm other secondary services protective peel, Able films international packaging perforating and embossing sustainability and leed recycled content 100% recyclable reclaimed > 90. 0% 201112 mill06 volatile organic compounds the aluminum oxide layer does free from any voc s warranty a 20, Year limited warranty may be available upon request. Product support partners the anodized aluminum finish can can be cleaned using mild soap and water followed by a clean water rinse. To learn more details on cleaning anodized aluminum, Please refer to the aluminum association publication 92, Care of aluminum or aama 609 610, 09, Maintenance and upkeep guide for architecturally finished aluminum. Maintenance and cleaning document no gunmetal. M. 201510. R0 availability the standard lead time for stocked gauges and widths is two weeks for anodizing and one week for any secondary services such as slitting, Shearing and applying transparent protective films or paper.