Range of viscosity; Saybolt universal (seconds)

SAE No.	0°F min	0°F max	210°F min	210°F max
5W		4000	-
10W	6000(a)	12000	-	-
20W	12000(b)	48000	-	-
20	-	-	45	58
30	-	-	58	70
40	-	-	70	85
50	-	-	85	110