No Oiling Code Oiling Code Description 1 AG Antirust Oil General(1.8~3.0g/㎡),Both Surface 2 AH Antirust Oil Heavy(3.0~4.5g/㎡), Both Surfaces 3 AL Antirust Oil Light(0.8~1.8g/㎡), Both Surfaces 4 AT Antirust Oil Light(0.2~0.8g/㎡), Both Surfaces 5 BD DOSA 50~100 mg/㎡, Both Surfaces 6 BS DOSA 50 mg/㎡ or less, Both Surfaces 7 BU DOSA 20 mg/㎡ or Less, Both Surfaces 8 HG Heavy General(1.8~3.0g/㎡),Both Surface 9 HH Heavy Heavy(3.0~4.5g/㎡ ),Both Surface 10 HL Heavy Light(0.8~1.8g/㎡),Both Surface 11 HT Heavy Light(0.2~0.8g/㎡),Both Surface 12 NG Parker 방청유 N-R 550 HN General (1.8~3.0g/㎡),양 13 NH Parker 방청유 N-R 550 HN Heavy (3.0~4.5g/㎡),양 14 NL Parker 방청유 N-R 550 HN Light (0.8~1.8g/㎡),양면 15 NT Parker 방청유 N-R 550 HN Light (0.2~0.8g/㎡)양면 16 QG Quaker 방청유 N 6130 General (1.8~3.0g/㎡),양면 17 QH Quaker 방청유 N 6130 Heavy (3.0~4.5g/㎡),양면 18 QL Quaker 방청유 N 6130 Light (0.8~1.8g/㎡),양면 19 QT Quaker 방청유 N 6130 Light (0.2~0.8g/㎡)양면