| Class 3000 | Nominal Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| A | 7/8 | 7/8 | 31/32 | 1 1/8 | 1 5/16 | 1 1/2 | 1 3/4 | 2 | 2 3/8 | 3 | 3 3/8 | 4 3/16 | |
| B | 29/32 | 29/32 | 1 1/16 | 1 5/16 | 1 9/16 | 1 27/32 | 2 7/32 | 2 1/2 | 3 1/32 | 3 11/16 | 4 5/16 | 5 3/4 | |
| C | 0.420 | 0.555 | 0.690 | 0.855 | 1.065 | 1.330 | 1.675 | 1.915 | 2.406 | 2.906 | 3.535 | 4.545 | |
| D | 3/8 | 3/8 | 3/8 | 3/8 | 1/2 | 1/2 | 1/2 | 1/2 | 5/8 | 5/8 | 5/8 | 3/4 | |
| E | 7/16 | 7/16 | 17/32 | 5/8 | 3/4 | 7/8 | 1 1/16 | 1 1/4 | 1 1/2 | 1 5/8 | 2 1/4 | 2 5/8 | |
| F | 0.250 | 0.250 | 0.375 | 0.813 | 1.125 | 1.550 | 2.250 | 3.063 | 5.125 | 18.000 | 23.000 | 40.000 | |
| Class 6000 | Nominal Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| A | – | – | – | 1 5/16 | 1 1/2 | 1 3/4 | 2 | 2 3/8 | 2 1/2 | ||||
| B | – | – | – | 1 9/16 | 1 27/32 | 2 7/32 | 2 1/2 | 3 1/32 | 3 11/32 | ||||
| C | – | – | – | 0.855 | 1.065 | 1.330 | 1.675 | 1.915 | 2.406 | ||||
| D | – | – | – | 3/8 | 1/2 | 1/2 | 1/2 | 1/2 | 5/8 | ||||
| E | – | – | – | 3/4 | 7/8 | 1 1/16 | 1 1/4 | 1 1/2 | 1 5/8 | ||||
| F | – | – | – | 1.500 | 2.500 | 3.460 | 5.250 | 8.750 | 9.438 | ||||
| Class 9000 XXS Bore | Nominal Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| A | – | – | – | 1 1/2 | 1 3/4 | 2 | 2 3/8 | 2 1/2 | 3 1/4 | – | – | – | |
| B | – | – | – | 1 27/32 | 2 7/32 | 2 1/2 | 3 1/32 | 3 11/32 | 4 | – | – | – | |
| C | – | – | – | 0.855 | 1.065 | 1.330 | 1.675 | 1.915 | 2.406 | – | – | – | |
| D | – | – | – | 1/2 | 5/8 | 3/4 | 1 | 1 | 1 1/8 | – | – | – | |
| E | – | – | – | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | 2 1/8 | – | – | – | |
| F | – | – | – | 2.5 | 4.12 | 4.12 | 5.12 | 9.44 | 22.19 | – | – | – | |
TABLE: Dimensions Socket Weld Fittings – Socket Weld Fittings Cross – Class 3000, Class 6000, Class 9000 XXS Bore.