Copper and aluminum round electrotechnical wires MT, MM
TU Ukraine 27.4 — 31806384 — 010 : 2007
| Type | diameter, mm |
| MT | 1,5 — 14,0 mm |
| MM | 1,5 — 14,0 mm |
Designed for the manufacture of wires, cables and other electrical purposes.
The electrical resistivity of the wire to direct current, converted to a temperature of 20 ° C, is as specified in the table.
Mechanical parameters:
The electrical resistivity of the wire to direct current, converted to a temperature of 20 ° C, is as specified in the table.
| Nominal diameter of wire, mm | Electrical resistivity, Ohm m 10-6 , not more, wires types | |
| MM | MT | |
| From 0,40 to 1,00 включ. | 0,01724 | 0,0180 |
| From 1,00 to 2,44 | 0,0178 | |
| From 2,44 | 0,0177 | |
Mechanical parameters:
| Nominal diameter of wire, mm | Wire type MT | Wire type MM |
| Temporary resistance to breaking, MPa (kgs / mm2), not less | Relative elongation, %, not less | |
| from 0,40 to 0,58 | 422 (43) | 20 |
| from 0,58 to 0,97 | 422 (43) | 25 |
| from 1,00 to 3,00 | 422 (43) | 30 |
| from. 3,00 « 5,00 | 392 (40) | 30 |
| from.« 5,00 | 373 (38) | 35 |