DRF 4040 40×40 Meterial A6N01S-T5 Surface Processing Anodized Weight 1.71㎏/m Section Area 629.5㎟ Second Section Monent lx = 6.3×10㎝4 ly = 11.9×10㎝4 Specification 4,000㎜ / 6,000㎜ Color Silver, Black Application Coner Frame, machine Structure frame, work table, machine cover (코너용 프 로파일, 기계구조물, 작업대, 기계커버)