A.0.50~0.65 B.0.60~0.75 C.0.70-0.85 D.0.85~0.95
A.熱軋帶肋鋼筋 B.冷軋帶肋鋼筋 C.熱軋圓盤條 D.冷拉鋼筋
A.6% B.8% C.10% D.12%