Product Knowledge
Silicon steel takes core loss and magnetic induction strength as the magnetic guarantee value of the product. Silicon steel with low iron loss can save a lot of electric energy, prolong the working time of motor and transformer and simplify the cooling system. The silicon steel has high magnetic induction and the excitation current of the iron core is reduced, which can also save electric energy.
Application Scenario
一、Magnetic properties and lamination coefficient of common brands
| Specifications | Nominal thickness （mm） | Theoretical density （kg/dm3） | Iron loss/P15/50(W/kg） | Magnetic induction intensityB50（T） | Lamination coefficient% | ||
| Guaranteed value | Classical value | Guaranteed value | Classical value | ||||
| W1300 | 0.50 | 7.85 | ≤6.10 | 5.80-6.00 | ≥1.74 | 1.75 | ≥97% |
| W800 | 0.50 | 7.80 | ≤5.30 | 4.70-5.00 | ≥1.72 | 1.74 | |
| W600 | 0.50 | 7.75 | ≤4.30 | 3.70-4.00 | ≥1.70 | 1.71 | |
| W470 | 0.50 | 7.70 | ≤3.30 | 2.90-3.10 | ≥1.70 | 1.71 | |
| W440 | 0.35 | 7.70 | ≤3.00 | 2.50-2.70 | ≥1.70 | 1.71 | ≥96% |
| W300 | 0.35 | 7.65 | ≤2.50 | 2.20-2.40 | ≥1.67 | 1.68 | |
| W210 | 0.35 | 7.60 | ≤2.30 | 2.15-2.25 | ≥1.65 | 1.66 | |
Note:
The above tests are carried out according to GB / t3655 (or JIS C 2550) by dividing the poem parallel to the rolling direction and the test piece perpendicular to the rolling direction into half;
P15 / 50 refers to the iron loss measured at 50Hz and 1.5T; B50 refers to the magnetic induction measured at 50Hz and 5000A / M;
If users have special requirements for magnetic properties, products can be customized and specially supplied.
二、Classical values of mechanical properties
| Specifications | Tensile strength(N/mm2) | Yield strength(N/mm2) | Elongation（%） | Hardness(HV1) |
| W1300 | 350±30 | 250±30 | 40±5 | 108±10 |
| W800 | 360±30 | 250±30 | 40±5 | 110±10 |
| W600 | 390±20 | 250±30 | 40±5 | 125±10 |
| W470 | 415±15 | 280±15 | 32±5 | 150±10 |
| W440 | 415±15 | 280±15 | 32±5 | 150±10 |
| W300 | 450±15 | 350±15 | 22±5 | 180±10 |
| W210 | 455±15 | 350±15 | 22±5 | 175±10 |
Note:
The above tests shall be carried out according to GB / T 228.
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