Description features:Fecrco (iron-cobalt-chromium alloys, fe-cr-co, fe-cr-co-ni-mo) is a ductile permanent and semi-hard magnetic alloy material.Applications: 1) Telecom relays2) Residual current relays3) Automotive display systems4) Display systems5) Hysteresis couplings6) Torque magnet systems7) Rotary speed controls8) Pumps9) Flowmeters10) Magnetic distance gauges11) Hysteresis couplings12) Hysteresis motors13) Torque magnets14) Focusing in color TV tubes15) Compass needles16) Reset magnets17) Tachometers18) Bistable latching relays19) Display components20) Magnet valves21) Reed relays22) electronic article surveillance (EAS) systems23) Display instruments 24) Polarized relays25) Speedometers26) Sound pick-upsIn forms of:1) Round rod: Φ8 - 60mm2) Round wire: Φ0.1 - 7mm3) Flat wire or strip: a) Thickness: 0.05 - 4mm b) Width: up to 200mm4) Tube: Φ1 - 30mm5) Thickness of wall: 0.1 - 10mmMagnetic properties and mechanical properties:1) 2J84: a) Remanence Br i) (Gs): ≥12,000 ii) (T): ≥1.2 b) Coercivity BHc: i) (kA/m): ≥52 ii) (Oe): ≥650 c) Energy density BH m: i) (MGOe): 4.0 - 5.0 ii) (Kj/m3): 32 - 40 d) Density (g/cm3): about 7.8 e) Curie temperature (oC): 658 f) Max. application temp. (oC): 400 g) Vickers hardness: (HV) 700 h) El resistivity (Ω mm2/m): 0.7 i) Coefficient of thermal expansion (RT-100°C) (10&sup-6;/K): 10 j) Reversible temperature coefficient (-%ToC): 0.0129 k) Surface shrinkage coefficient (Ψ%): 40 - 70 l) Yield strength (6bkgf/mm2): 55 - 752) 2J85: a) Remanence Br: i) (Gs): 3000 - 14500 ii) (T): 0.3 - 1.45 b) Coercivity BHc: i) (kA/m): 4 - 44 ii) (Oe): 50 - 550 c) Energy density BH m: i) (MGOe): 0.8 - 6.0 ii) (Kj/m3): 6.5 - 48 d) Density (g/cm3): about 7.8 e) Curie temperature (oC): 671 f) Max. application temp. (oC): 400 g) Vickers hardness: (HV) 700 h) El resistivity (Ω mm2/m): 0.7 i) Coefficient of thermal expansion (RT-100°C) (10&sup-6;/K): 10 j) Reversible temperature coefficient (-%ToC): 0.0129 k) Surface shrinkage coefficient (Ψ%): 40 - 70 l) Yield strength (6bkgf/mm2): 55 –