DF 4590 45×90 Meterial A6N01S-T5 Surface Processing Anodized Weight 3.76㎏/m Section Area 1,387.5㎟ Second Section Monent lx = 28.6×10㎝4 ly = 111.9×10㎝4 Specification 4,000㎜ / 6,000㎜ Color Silver, Black Application machine Structure frame, work table, machine cover (기계구조물, 작업대, 기 계커버)