DF 3040 30×40 Meterial A6N01S-T5 Surface Processing Anodized Weight 0.88㎏/m Section Area 325.5㎟ Second Section Monent lx = 3.2×10㎝4 ly = 5.4×10㎝4 Specification 4,000㎜ / 6,000㎜ Color Silver, Black Application machine Structure frame, work table, machine cover (기계구조물, 작업대, 기 계커버)