合金種類 化性成份(%) 導電率; (Annealing); (%IACS, 20℃) 質別 C19210 銅:≧99.60; 鐵:0.05~0.15; 磷:0.025~0.04 ≧85 O C19210 銅:≧99.60; 鐵:0.05~0.15; 磷:0.025~0.04 ≧85 1/4H C19210 銅:≧99.60; 鐵:0.05~0.15; 磷:0.025~0.04 ≧85 1/2H
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