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Electric power engineering

电力工程


















Material 

Category

Typical Materials 

& Grades

Key

 Applications

Critical 

Properties

High-Temperature Materials12Cr1MoVG heat-resistant steel
Inconel 690 nickel-based alloy
Boilers, nuclear steam generatorsCreep resistance (>600°C), corrosion resistance
Magnetic & Structural Materials30Q120 low-core-loss silicon steel
Q235B carbon steel
Transformer cores, structural supportsPermeability >1.8T, core loss <1.2W/kg (30Q120)
Conductive & Insulation MaterialsOxygen-free copper (OFC)
Cross-linked polyethylene (XLPE)
HV cable conductors, insulationConductivity ≥100% IACS (copper)
Breakdown strength ≥30kV/mm (XLPE)
Wear-Resistant & Protective AlloysNM450 wear-resistant steel
Hastelloy C-276
Coal handling systems, corrosive environmentsSurface hardness ≥450HBW (NM450)
PREN ≥65 (C-276)
Emerging TechnologiesSilicon carbide (SiC) semiconductors
NdFeB permanent magnets
HVDC transmission, PMSM systemsVoltage tolerance ≥10kV (SiC)
Energy product ≥50MGOe (NdFeB)
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