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  • Neodymium Magnet Physical Properties Magnet Summary Table - Click this link for the pull force and surface field of each of our stock magnets listed in table format Magnetic Characteristics Material Type Residual Flux Density (Br) Coercive Force (Hc)
     Neodymium Magnet Physical Properties Magnet Summary Table - Click this link for the pull force and surface field of each of our stock magnets listed in table format  Magnetic Characteristics Material Type 	Residual Flux Density (Br) 	Coercive Force (Hc)
    Neodymium Magnet Physical PropertiesMagnet Summary Table - Click this link for the pull force and surface field of each of our stock magnets listed in table formatMagnetic CharacteristicsMaterial Type Residual Flux Density(Br) Coercive Force(Hc) Intrinsic Coercive Force (Hci) Max.Energy Product(BH)maxN35 11.7-12.1 KGs >11.0 KOe >12 KOe 33-35 MGOeN38 12.2-12.6 KGs >11.0 KOe >12 KOe 36-38 MGOeN40 12.6-12.9 KGs >11.0 KOe >12 KOe 38-40 MGOeN42 13.0-13.2 KGs >11.0 KOe >12 KOe 40-42 MGOeN45 13.3-13.7 KGs >11.0 KOe >12 KOe 43-45 MGOeN48 13.8-14.2 KGs >11.0 KOe >12 KOe 45-48 MGOeN50 14.1-14.5 KGs >11.0 KOe >11 KOe 48-50 MGOeN52 14.5-14.8 KGs >11.2 KOe >11 KOe 49.5-52 MGOeN35M 11.7-12.1 KGs >11.4 KOe >14 KOe 33-35 MGOeN38M 12.2-12.6 KGs >11.4 KOe >14 KOe 36-38 MGOeN40M 12.6-12.9 KGs >11.4 KOe >14 KOe 38-40 MGOeN42M 13.0-13.3 KGs >11.4 KOe >14 KOe 40-42 MGOeN45M 13.3-13.7 KGs >11.4 KOe >14 KOe 42-45 MGOeN48M 13.6-14.2 KGs >11.4 KOe >14 KOe 45-48 MGOeN50M 14.1-14.5 KGs >11.4 KOe >14 KOe 48-50 MGOeN33H 11.4-11.7 KGs >10.3 KOe >17 KOe 31-33 MGOeN35H 11.7-12.1 KGs >10.8 KOe >17 KOe 33-35 MGOeN38H 12.2-12.6 KGs >11.4 KOe >17 KOe 36-38 MGOeN40H 12.6-12.9 KGs >11.4 KOe >17 KOe 38-40 MGOeN42H 13.0-13.3 KGs >11.4 KOe >17 KOe 40-42 MGOeN45H 13.3-13.7 KGs >11.4 KOe >17 KOe 42-45 MGOeN48H 13.6-14.2 KGs >11.4 KOe >16 KOe 45-48 MGOeN30SH 10.8-11.2 KGs >10.1 KOe >20 KOe 28-30 MGOeN33SH 11.4-11.7 KGs >10.3 KOe >20 KOe 31-33 MGOeN35SH 11.7-12.1 KGs >10.8 KOe >20 KOe 33-35 MGOeN38SH 12.2-12.6 KGs >11.4 KOe >20 KOe 36-38 MGOeN40SH 12.6-12.9 KGs >11.4 KOe >20 KOe 38-40 MGOeN42SH 13.0-13.3 KGs >11.4 KOe >20 KOe 40-42 MGOeN45SH 13.3-13.7 KGs >11.4 KOe >19 KOe 43-45 MGOeN28UH 10.4-10.8 KGs >9.8 KOe >25 KOe 26-28 MGOeN30UH 10.8-11.2 KGs >10.1 KOe >25 KOe 28-30 MGOeN33UH 11.4-11.7 KGs >10.3 KOe >25 KOe 31-33 MGOeN35UH 11.7-12.1 KGs >10.8 KOe >25 KOe 33-35 MGOeN38UH 12.2-12.6 KGs >11.4 KOe >25 KOe 36-38 MGOeN40UH 12.6-12.9 KGs >11.4 KOe >25 KOe 38-40 MGOeN30EH 10.8-11.2 KGs >10.1 KOe >30 KOe 28-30 MGOeN33EH 11.4-11.7 KGs >10.3 KOe >30 KOe 31-33 MGOeN35EH 11.7-12.1 KGs >10.8 KOe >30 KOe 33-35 MGOeN38EH 12.2-12.6 KGs >10.8 KOe >30 KOe 36-38 MGOe Thermal CharacteristicsNeodymium Material Type Maximum Operating Temp Curie TempN 176°F (80°C) 590°F (310°C)NM 212°F (100°C) 644°F (340°C)NH 248°F (120°C) 644°F (340°C)NSH 302°F (150°C) 644°F (340°C)NUH 356°F (180°C) 662°F (350°C)NEH 392°F (200°C) 662°F (350°C)The Thermal Characteristics listed above are values commonly associated with each magnet's grade or material. Actual performance in your application may vary with other factors, including the shape of the magnet, the Permeance Coefficient or load line, and how it is used in a circuit. See our in-depth article on Temperature and Neodymium Magnets for more details. Physical and Mechanical CharacteristicsDensity 7.4-7.5 g/cm3Compression Strength 950 MPa (137,800 psi)Tensile Strength 80 MPa (11,600 psi)Vickers Hardness (Hv) 560-600Young's Modulus 160 GPa (23,200 psi)Recoil Permeability 1.05 μrecElectrical Resistance (R) 160 μ-ohm-cmHeat Capacity 350-500 J/(kg.°C)Thermal Expansion Coefficient (0 to 100°C)parallel to magnetization direction 5.2 x 10-6 /°CThermal Expansion Coefficient (0 to 100°C)perpendicular to magnetization direction -0.8 x 10-6 /°C Plating CharacteristicsPlating Type Overall Thickness Salt Spray Test Pressure Cooker TestNiCuNi (Nickel Copper Nickel) 15-21 μm 24 hours 48 hoursNiCu + Black Nickel 15-21 μm 24 hours 48 hoursNiCuNi + Epoxy 20-28 μm 48 hours 72 hoursNiCuNi + Gold 16-23 μm 36 hours 72 hoursNiCuNi + Silver 16-23 μm 24 hours 48 hoursZinc 7-15 μm 12 hours 24 hoursEach individual layer of Nickel and Copper are 5-7 μm thick. The Gold and Silver plating layers are 1-2 μm thick.Test results shown to allow comparison between plating options. Performance in your application under your specific test conditions may vary. Salt Spray testing conducted with a 5% NaCl solution, at 35°C. Pressure Cooker Test (PCT) conducted at 2 atm, 120°C at 100% RH. Measurement SystemsUnit cgs System SI System English SystemLength (L) centimeter (cm) meter (m) inch (in)Flux (ø) Maxwell Weber (Wb) MaxwellFlux Density (B) Gauss (G) Tesla (T) lines/in2Magnetizing Force (H) Oersted (Oe) Ampere turns/m (At/m) Ampere turns/in (At/in)Magnetomotive Force (mmf or F) Gilbert (Gb) Ampere turn (At) Ampere turn (At) Conversion Between Systemscgs System to SI system1 Oe = 79.62 At/m10,000 G = 1 T1 Gb = 0.79577 At1 Maxwell = 1 Line = 10-8 Wb1 G = 0.155 lines/in2
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