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Industrial Lubricants - Viscosity ISO-VG Grade
ISO-VG viscosity grades for industrial lubricants
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The diagram below indicates minimum and maximum viscosity in centistokes for equivalent ISO-VG grades.
Equivalent SAE Crankcase Oil Grades
| ISO-VG Grade | SAE Crankcase Oil Grades |
| 22 | 5W |
| 32 | 10W |
| 46 | 15W |
| 68 | 20W |
| 100 | 30 |
| 150 | 40 |
| 220 | 50 |
| 320 | 60 |
Equivalent SAE Aircraft Oil Grades
| ISO-VG Grade | SAE Aircraft Oil Grades |
| 100 | 65 |
| 150 | 80 |
| 220 | 100 |
| 320 | 120 |
Equivalent SAE Gear Lube Grades
| ISO-VG Grade | SAE Gear Lube Grades |
| 46 | 75W |
| 100 | 80W-90 |
| 220 | 90 |
| 460 | 85W-140 |
| 1500 | 250 |
Equivalent AGMA Gear Lube Grades
| ISO-VG Grade | AGMA Gear Lube Grades | |
| Regular | EP | |
| 46 | 1 | |
| 68 | 2 | 2 EP |
| 100 | 3 | 3 EP |
| 150 | 4 | 4 EP |
| 220 | 5 | 5 EP |
| 320 | 6 | 6 EP |
| 460 | 7 | 7 EP |
| 680 | 8 | 8 EP |
ISO-VG Grade and Temperature
- tC = 5/9(tF - 32)
- tF = 9/5 tC + 32
- 1 reyns (lb s/in2) = 6896.55 (Pa s)
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Related Topics
- Material Properties - Material properties - density, heat capacity, viscosity and more - for gases, fluids and solids
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