Nominal Outside Diameter	Mean Outside Diameter		Outside Diameter at any point		Wall Thickness
	MIN	MAX	MIN	MAX	SN 2	SN 4	SN 8
63	63	63.3	62.2	63.8			2.7+0.4
75	75	75.3	74.1	75.9			2.8+0.5
90	90	90.3	88.9	91.2			2.9+0.5
110	110	110.4	108.6	111.4			3.2+0.5
125	125	125.4	123.5	126.5		3.2+0.5	3.7+0.7
160	160	160.5	158.0	162.0	3.2+0.5	4.0+0.6	4.7+0.7
200	200	200.6	197.6	202.4	3.9+0.6	4.9+0.7	5.9+0.8
250	250	250.8	247.0	253.0	4.9+0.7	6.2+0.8	7.3+1.0
315	315	316.0	311.2	318.8	6.2+0.8	7.7+1.0	9.2+1.2
400	400	401.2	395.2	404.8	7.9+1.0	9.8+1.2	11.7+1.4