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.

iso-vg grade viscosity diagram

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
ISO-VG Grade	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

iso-vg temperature absolute viscosity diagram

t_C = 5/9(t_F - 32)
t_F = 9/5 t_C + 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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