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Chemical Compostion: Standard AL Cd Fe Pb Cu Zn ASTM B-418 type I 0.1-0.5 0.02-0.07 ≤0.005 ≤0.006 ≤0.006 Balance ASTM B-418 type II ≤0.005 ≤0.003 ≤0.0014 ≤0.003 ≤0.002 Balance MIL-A-18001K 0.1-0.5 0...