1)high electrical and thermal conductivity 2) factory price 3) multiple specification 4) eminent time of delivery
TRANSFORMER COPPER BELT
Strictly in accordance with this standard GB/T18813-2002 standards, and provides the requirements for transformer copper, testing methods, inspection rules, marking, packaging, transportation, storage and contract content. This standard applies to copper wound transformer coil. Table 1 strip grades, status, and specifications
Trademark | Supply Status | Specifications | |
Thickness | Width | ||
TU1,T2 | M | 0.10~0.50 | ≤600 |
0.50~2.50 | ≤1000 | ||
Note: After consultation with both supply and demand, but also can supply other grades, status, and specifications of the strip | |||
Table 2 The mechanical properties of strip
Trademark | Status | Tensile strength σb / MPa | Elongation δ10 /% | Vickers hardness HV |
Not less than | ||||
TU1,T2 | M | 195 | 35 | 45~65 |
Note: The thickness of less than 0.20 mm of the strip, the test results for reference only. | ||||
Table 3, the electrical properties of strip
Trademark | Conductivity /% IACS is not less than | Resistivity / ∩ · mm2 / m is not greater than |
TU1 | 100 | 0.017 241 |
T2 | 98 | 0.017 593 |
Note: Choose one of conductivity and resistivity, and in the contract, does not indicate when the test conductivity. Conductivity = 100% × 0.017241 / resistivity measured. | ||
Table 4, the sampling strip
Test items | Sampling provisions | Chapter requirements of Article No. | Test Methods section of Chapter No. |
Chemical composition | Take a sample of each furnace | 3.2 | 4.1 |
Dimensions deviation | Check by volume | 3.3 | 4.2 |
Mechanical Properties | Take any batch 2 volumes, each taken along the rolling direction of a sample of any | 3.4 | 4.3 |
Vickers hardness | Volume 2, each batch taking office, take-up a sample of each | 3.4 | 4.3 |
Electrical properties | Volume 2, each batch taking office, take-up a sample of each | 3.5 | 4.4 |
Appearance | Check by volume | 3.6 | 4.5 |
Transformer Copper Tape
