MAIN TECHNICAL PROPERTIES OF NON-STANDARD GRADES OF COLD-ROLLED NON-GRAIN ORIENTED ELECTRICAL STEEL PRODUCED IN ACCORDANCE WITH TECHNICAL SPECIFICATIONS
| Correspondence to GOST 21427.2 |
2011T -2013T (1,0mm) |
2216T |
2215T |
2315T |
| TU 14-4592-89 |
TU 14-4261-87 |
TU 14-1-3496-91 |
TU 14-1-4225-87 |
| Magnetic properties |
| Specific core loss P1,0/50, W/kg |
3,84 (3,54-4,16) |
1,84 (1,61-2,08) |
1,56 (1,40-1,94) |
1,45 (1,43-1,50) |
| Specific core loss P1,5/50, W/kg |
8,37 (7,87-8,97) |
4,12 (3,65-4,56) |
3,60 (3,25-4,16) |
3,42 (3,38-3,51) |
| Anisotropy P1,5/50, % |
1,09 (1-2) |
7,5 (3-11) |
10 (4-14) |
7 (6-8) |
| Magnetic induction B2500, T |
1,61 (1,61-1,62) |
1,65 (1,63-1,70) |
1,63 (1,61-1,65) |
1,61 (1,60-1,62) |
| Magnetic induction B5000, T |
1,70 (1,70-1,71) |
1,73 (1,72-1,73) |
- |
1,70 (1,70-1,71) |
| Anisotropy B2500, T |
0,07 (0,06-0,08) |
0,07 (0,05-0,10) |
0,08 (0,06-0,10) |
0,055 (0,03-0,06) |
| Mechanical properties |
| Hardness HV5 |
131 (124-149) |
125 (110-143) |
140 (126-157) |
136 (125-143) |
| Tensile strength, σB, N/mm2 |
385 (355-400) |
381 (345-415) |
409 (365-445) |
417 (410-430) |
| Yield strength σT, N/mm2 |
|
223 (190-260) |
250 (215-300) |
254 (245-265) |
| Relation σT / σB |
0,57 (0,54-0,61) |
0,59 (0,53-0,65) |
0,61 (0,57-0,70) |
0,61 (0,60-0,62) |
| Elongation, δ4, % |
33 (29-37) |
32 (36-36) |
30 (25-35) |
30 (28-31) |
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