Approximate Weights of Buttwelding Fittings - SR 45 Elbows
| NPS | SGP/LG | Sch5/5s | Sch10s | Sch40s | Sch80s | Sch10 | Sch20 | Sch30 | STD |
| ½ | - | 0.02 | 0.02 | 0.03 | 0.03 | 0.02 | - | 0.02 | 0.03 |
| ¾ | - | 0.03 | 0.03 | 0.04 | 0.05 | 0.03 | - | 0.03 | 0.04 |
| 1 | 0.05 | 0.03 | 0.05 | 0.05 | 0.07 | 0.05 | - | 0.05 | 0.05 |
| 1¼ | 0.09 | 0.04 | 0.07 | 0.09 | 0.12 | 0.07 | - | 0.07 | 0.09 |
| 1½ | 0.12 | 0.06 | 0.09 | 0.13 | 0.17 | 0.09 | - | 0.11 | 0.13 |
| 2 | 0.22 | 0.10 | 0.16 | 0.23 | 0.30 | 0.16 | - | 0.19 | 0.23 |
| 2½ | 0.38 | 0.19 | 0.27 | 0.45 | 0.61 | 0.27 | - | 0.42 | 0.45 |
| 3 | 0.53 | 0.27 | 0.39 | 0.69 | 0.97 | 0.39 | - | 0.60 | 0.69 |
| 3½ | 0.71 | 0.36 | 0.51 | 1.00 | 1.36 | 0.51 | - | 0.83 | 1.00 |
| 4 | 0.97 | 0.47 | 0.67 | 1.33 | 1.87 | 0.67 | - | 1.05 | 1.33 |
| 5 | 1.50 | 0.95 | 1.15 | 2.27 | 3.33 | 1.15 | - | - | 2.27 |
| 6 | 2.37 | 1.35 | 1.65 | 3.63 | 5.45 | 1.65 | - | - | 3.63 |
| 8 | 4.81 | 2.36 | 3.19 | 6.96 | 10.9 | 3.19 | 5.45 | 6.05 | 6.96 |
| 10 | 8.45 | 4.50 | 5.53 | 12.7 | 17.0 | 5.53 | 8.47 | 10.6 | 12.7 |
| 12 | 12.7 | 7.47 | 8.60 | 18.5 | 24.5 | 8.60 | 12.4 | 16.4 | 18.5 |
| 14 | 18.9 | 9.60 | 11.5 | 23.9 | 31.5 | 16.0 | 20.0 | 23.9 | 23.9 |
| 16 | 24.8 | 13.3 | 15.1 | 31.5 | 41.5 | 20.9 | 26.0 | 31.5 | 31.5 |
| 18 | 31.4 | 16.8 | 19.1 | 40.0 | 52.7 | 26.6 | 33.3 | 46.6 | 40.0 |
| 20 | 38.9 | 23.7 | 27.4 | 49.0 | 64.8 | 33.0 | 49.0 | 64.8 | 49.0 |
| 22 | 47.1 | 28.6 | 33.2 | 59.3 | 78.7 | 39.7 | 59.3 | 78.7 | 59.3 |
| 24 | 56.0 | 39.3 | 45.3 | 70.8 | 94.1 | 47.5 | 70.8 | 106 | 70.8 |
| 26 | 66.0 | - | - | - | - | - | 111 | - | 83.2 |
| 28 | 77.0 | - | - | - | - | - | 127 | - | 94.7 |
| 30 | 88.0 | - | - | - | - | 92.6 | 145 | 184 | 111 |
| 32 | 101 | - | - | - | - | - | 160 | - | 120 |
| 34 | 114 | - | - | - | - | - | 181 | - | 136 |
| 36 | 127 | - | - | - | - | - | 203 | - | 152 |
| 38 | 142 | - | - | - | - | - | - | - | 170 |
| 40 | 157 | - | - | - | - | - | - | - | 188 |
| 42 | 173 | - | - | - | - | - | - | - | 207 |
| 44 | 190 | - | - | - | - | - | - | - | 228 |
| 46 | 208 | - | - | - | - | - | - | - | 249 |
| 48 | 226 | - | - | - | - | - | - | - | 271 |
| NPS | Sch40 | Sch60 | XS | Sch80 | Sch100 | Sch120 | Sch140 | Sch160 | XXS |
| ½ | 0.03 | - | 0.03 | 0.03 | - | - | - | - | - |
| ¾ | 0.04 | - | 0.05 | 0.05 | - | - | - | - | - |
| 1 | 0.05 | - | 0.07 | 0.07 | - | - | - | 0.09 | 0.11 |
| 1¼ | 0.09 | - | 0.12 | 0.12 | - | - | - | 0.15 | 0.20 |
| 1½ | 0.13 | - | 0.17 | 0.17 | - | - | - | 0.23 | 0.30 |
| 2 | 0.23 | - | 0.30 | 0.30 | - | - | - | 0.45 | 0.57 |
| 2½ | 0.45 | - | 0.61 | 0.61 | - | - | - | 0.79 | 1.06 |
| 3 | 0.69 | - | 0.97 | 0.97 | - | - | - | 1.33 | 1.73 |
| 3½ | 1.00 | - | 1.36 | 1.36 | - | - | - | - | 2.48 |
| 4 | 1.33 | - | 1.87 | 1.87 | - | 2.36 | - | 2.81 | 3.33 |
| 5 | 2.27 | - | 3.33 | 3.33 | - | 4.24 | - | 5.15 | 6.05 |
| 6 | 3.63 | - | 5.45 | 5.45 | - | 6.66 | - | 8.47 | 10.0 |
| 8 | 6.96 | 8.78 | 10.9 | 10.9 | 12.7 | 15.1 | 16.7 | 18.5 | 18.2 |
| 10 | 12.7 | 17.0 | 17.0 | 20.0 | 23.9 | 27.9 | 32.4 | 36.0 | 34.8 |
| 12 | 20.0 | 27.5 | 24.5 | 33.3 | 40.3 | 47.2 | 52.7 | 60.2 | 48.7 |
| 14 | 24.5 | 37.2 | 31.5 | 46.6 | 56.0 | 62.7 | 72.9 | 82.6 | - |
| 16 | 41.5 | 53.9 | 41.5 | 68.1 | 81.7 | 95.6 | 113 | 123 | - |
| 18 | 59.0 | 77.2 | 52.7 | 96.0 | 116 | 130 | 150 | 166 | - |
| 20 | 76.6 | 104 | 64.8 | 130 | 156 | 183 | 212 | 233 | - |
| 22 | - | 148 | 78.7 | 172 | - | - | - | - | - |
| 24 | 128 | 178 | 94.1 | 222 | 265 | 301 | 347 | 384 | - |
| 26 | - | - | 111 | - | - | - | - | - | - |
| 28 | - | - | 127 | - | - | - | - | - | - |
| 30 | - | - | 145 | - | - | - | - | - | - |
| 32 | 218 | - | 160 | - | - | - | - | - | - |
| 34 | 246 | - | 181 | - | - | - | - | - | - |
| 36 | 301 | - | 203 | - | - | - | - | - | - |
| 38 | - | - | 226 | - | - | - | - | - | - |
| 40 | - | - | 251 | - | - | - | - | - | - |
| 42 | - | - | 276 | - | - | - | - | - | - |
| 44 | - | - | 304 | - | - | - | - | - | - |
| 46 | - | - | 332 | - | - | - | - | - | - |
| 48 | - | - | 361 | - | - | - | - | - | - |