A stub end always will be used with a Lap Joint flange,as a backing flange; both are shown on the image below.This flange connections are applied,in low-pressure and non critical applications,and is a cheap method of flanging.In a stainless steel pipe system,for example,a carbon steel flange can be applied,because they are not come in contact with the product in the pipe.
| Sch | NPS | OD | T | G | F | R | kg |
| Sch.Std | 1/2″ | 21.3 | 2.77 | 34.9 | 76.2 | 3.18 | 0.16 |
| Sch.Std | 3/4″ | 26.7 | 2.87 | 42.9 | 76.2 | 3.18 | 0.23 |
| Sch.Std | 1″ | 33.4 | 3.38 | 50.8 | 101.6 | 3.18 | 0.29 |
| Sch.Std | 1 1/4″ | 42.2 | 3.56 | 63.5 | 101.6 | 4.76 | 0.45 |
| Sch.Std | 1 1/2″ | 48.3 | 3.68 | 73 | 101.6 | 6.35 | 0.54 |
| Sch.Std | 2″ | 60.3 | 3.91 | 92.1 | 152.4 | 7.94 | 1 |
| Sch.Std | 2 1/2″ | 73 | 5.16 | 104.8 | 152.4 | 7.94 | 1.5 |
| Sch.Std | 3″ | 88.9 | 5.49 | 127 | 152.4 | 9.53 | 2.1 |
| Sch.Std | 3 1/2″ | 101.6 | 5.74 | 139.7 | 152.4 | 9.53 | 2.5 |
| Sch.Std | 4″ | 114.3 | 6.02 | 157.2 | 152.4 | 11.11 | 3 |
| Sch.Std | 5″ | 141.3 | 6.55 | 185.7 | 203.2 | 11.11 | 5.4 |
| Sch.Std | 6″ | 168.3 | 7.11 | 215.9 | 203.2 | 12.7 | 7.3 |
| Sch.Std | 8″ | 219.1 | 8.18 | 269.9 | 203.2 | 12.7 | 11.6 |
| Sch.Std | 10″ | 273.1 | 9.27 | 323.9 | 254 | 12.7 | 18 |
| Sch.Std | 12″ | 323.9 | 9.53 | 381 | 254 | 12.7 | 21 |
| Sch.Std | 14″ | 355.6 | 9.53 | 412.8 | 304.8 | 12.7 | 28 |
| Sch.Std | 16″ | 406.4 | 9.53 | 469.9 | 304.8 | 12.7 | 34 |
| Sch.Std | 18″ | 457.2 | 9.53 | 533.4 | 304.8 | 12.7 | 39 |
| Sch.Std | 20″ | 508 | 9.53 | 584.2 | 304.8 | 12.7 | 44 |
| Sch.Std | 24″ | 609.6 | 9.53 | 692.2 | 304.8 | 12.7 | 57 |
| Sch.Xs | 1/2″ | 21.3 | 3.73 | 34.9 | 76.2 | 3.18 | 0.2 |
| Sch.Xs | 3/4″ | 26.7 | 3.91 | 42.9 | 76.2 | 3.18 | 0.3 |
| Sch.Xs | 1″ | 33.4 | 4.55 | 50.8 | 101.6 | 3.18 | 0.4 |
| Sch.Xs | 1 1/4″ | 42.2 | 4.85 | 63.5 | 101.6 | 4.76 | 0.6 |
| Sch.Xs | 1 1/2″ | 48.3 | 5.08 | 73 | 101.6 | 6.35 | 0.7 |
| Sch.Xs | 2″ | 60.3 | 5.54 | 92.1 | 152.4 | 7.94 | 1.4 |
| Sch.Xs | 2 1/2″ | 73 | 7.01 | 104.8 | 152.4 | 7.94 | 2 |
| Sch.Xs | 3″ | 88.9 | 7.62 | 127 | 152.4 | 9.53 | 2.9 |
| Sch.Xs | 3 1/2″ | 101.6 | 8.08 | 139.7 | 152.4 | 9.53 | 3.4 |
| Sch.Xs | 4″ | 114.3 | 8.56 | 157.2 | 152.4 | 11.11 | 4.1 |
| Sch.Xs | 5″ | 141.3 | 9.53 | 185.7 | 203.2 | 11.11 | 7.5 |
| Sch.Xs | 6″ | 168.3 | 10.97 | 215.9 | 203.2 | 12.7 | 10 |
| Sch.Xs | 8″ | 219.1 | 12.7 | 269.9 | 203.2 | 12.7 | 16 |
| Sch.Xs | 10″ | 273.1 | 12.7 | 323.9 | 254 | 12.7 | 24 |
| Sch.Xs | 12″ | 323.9 | 12.7 | 381 | 254 | 12.7 | 29 |
| Sch.Xs | 14″ | 355.6 | 12.7 | 412.8 | 304.8 | 12.7 | 38 |
| Sch.Xs | 16″ | 406.4 | 12.7 | 469.9 | 304.8 | 12.7 | 43 |
| Sch.Xs | 18″ | 457.2 | 12.7 | 533.4 | 304.8 | 12.7 | 49 |
| Sch.Xs | 20″ | 508 | 12.7 | 584.2 | 304.8 | 12.7 | 63 |
| Sch.Xs | 24″ | 609.6 | 12.7 | 692.2 | 304.8 | 12.7 | 76 |