... series ≤3000kg O, F hand forgings 2,67 series ≤3000kg T6,T4,O,F GBn223 5 series ≤2.5m2 O, F ... die forgings 2,6,7series ≤2.5m2 T6,T4,O,F ASTMB247 These alloy numbers can be supplied ... alloy status can be supplied, F,R,T3,T4,T5,T6,T7,T8,T9,T651,T851,T451,T351,H111,H112,O ... projected area, 2.0 square metersThickness (max),less than 150MM Aluminum forging