SHANGHAI RUICHAO INDUSTRIAL
SHANGHAI RUICHAO INDUSTRIAL
B27G120 delivers extremely low core loss (≤1.2 W/kg at 1.7T/50Hz) and high magnetic flux density (≥1.85T at 800A/m), ensuring superior energy efficiency in transformer applications . The material exhibits good mechanical strength with tensile strength up to 438 MPa and elongation of 39% . It features excellent surface quality, uniform thickness, and specialized insulation coatings that enhance heat resistance, punchability, and corrosion resistance . Primarily used in manufacturing high-efficiency power transformers, distribution transformers, and other electromagnetic equipment, B27G120 meets stringent energy-saving requirements for modern power systems.
Specification Parameters
Electromagnetic Property Standard
| Grade | Thickness (mm) | Density （kg/dm3） | Max. Core loss （W/kg） | Min. Induction （T） |
| B27G120 | 0.27 | 7.65 | 1.20 | 1.80 |
Typical Electromagnetic Property
| Grade | Resistivity (Ω㎡/片) | Core loss(W/kg) | Induction(T) | ||
| P15/50 | P17/50 | B8 | B25 | ||
| B27G120 | 140.00 | 0.78 | 1.16 | 1.85 | 1.92 |
Typical Mechanical Property
| Grade | Thickness (mm) | Yield strength （N/mm2） | Tensile strength （N/mm2） | Elongation (%) | Hardness (Hv1) | Number of bends | Lamination factor (%) |
| B27G120 | 0.27 | 335 | 305 | 12 | 190 | 25 | 97 |
