Questions & Answers
Metal grades of constantan wire
The wire is made from the following metal alloys: MNMts 40–1.2, MNMts 45–0.5, MNMts 40–1, MNMts 40–1.5.
Constantan wire standards
GOST standards:
GOST 25501-82 - Dimensional control methods;
GOST 12766.2-90 - Wire testing methods;
GOST 12766.1-90 - Specifications for precision alloy wire;
GOST 10994-74 - Precision alloy grades.
Constantan wire weight chart
| Diameter | 1 m | 5 m | 10 m | 50 m | 100 m |
| 0.1 mm | 0.07 g | 0.35 g | 0.7 g | 3.5 g | 7 g |
| 0.2 mm | 0.28 g | 1.4 g | 2.8 g | 14 g | 28 g |
| 0.3 mm | 0.63 g | 3.15 g | 6.3 g | 31.5 g | 63 g |
| 0.5 mm | 1.75 g | 8.75 g | 17.5 g | 87.5 g | 175 g |
| 0.8 mm | 4.48 g | 22.4 g | 44.8 g | 224 g | 448 g |
| 1.0 mm | 6.98 g | 34.9 g | 69.8 g | 349 g | 698 g |
| 1.5 mm | 15.7 g | 78.5 g | 157 g | 785 g | 1.57 kg |
| 2.0 mm | 27.9 g | 139.5 g | 279 g | 1.4 kg | 2.79 kg |