ASTM-C95200 Al(%) Fe(%) Cu(%) 8.5-9.5 2.5-4.0 ≧86 Ngwa Ihe nkedo ọla kọpa aluminom Koodu obodo ASTM Ọkọlọtọ B148 Ụdị ígwè C95200 Oge nzipu: Dec-14-2020