Ductile Iron Pipe Reference

Petersen Does Not Sell Pipe

Nominal Size	Ductile Iron Class 50	Ductile Iron Class 51	Ductile Iron Class 52	Ductile Iron Class 53	Ductile Iron Class 54	Ductile Iron Class 55	Ductile Iron Class 56	Asbestos Cement ASTM C-428	RCP ASTM C-361	Non-Reinforced Concrete Pipe ASTM C-14
3"		3.460	3.400	3.340	3.280	3.220	3.160
4"		4.280	4.220	4.160	4.100	4.040	3.980	4.000 ±0.250		4.000 ±0.187
6"	6.400	6.340	6.280	6.220	6.160	6.100	6.040	6.000 ±0.250		6.000 ±0.187
8"	8.510	8.450	8.390	8.330	8.270	8.210	8.150	8.000 ±0.250		8.000 ±0.187
10"	10.520	10.460	10.400	10.340	10.280	10.220	10.160	10.000 ±0.250
12"	12.580	12.520	12.460	12.400	12.340	12.280	12.220	12.000 ±0.250	12.000 ±0.180	12.000 ±0.187
14"	14.640	14.580	14.520	14.460	14.400	14.340	14.280	14.000 ±0.250
16"	16.720	16.660	16.600	16.540	16.480	16.420	16.360	16.000 ±0.250
18"	18.800	18.740	18.680	18.620	18.560	18.500	18.440	18.800 ±0.280	18.800 ±0.270	18.800 ±0.250
20"	20.880	20.820	20.760	20.700	20.640	20.580	20.520	±20.000 ±0.300
21"								21.000 ±0.310	21.000 ±0.315	21.000 ±0.312
24"	25.040	24.980	24.920	24.860	24.800	24.740	24.680	24.000 ±0.360	24.000 ±0.360	24.000 ±0.312
27"								27.000 ±0.400	27.000 ±0.375
30"	31.220	31.140	31.060	30.980	30.900	30.820	30.740	30.000 ±0.450	30.000 ±0.375	30.000 ±0.375
33"								33.000 ±0.490	33.000 ±0.375
36"	37.440	37.340	37.240	37.140	37.040	36.940	36.840	36.000 ±0.540	36.000 ±0.375	36.000 ±0.375