D15x4mm Neodymium Magnet, 15 x 4mm Disc Magnet

Item No.: ALB-D15x4mm
Material: NdFeB, Grade N42
Shape: Disc
Dimension: 15mm dia. x 4mm thick
Tolerances: ±0.1mm x ±0.1mm
Weight: 5.301g
Grade: N42
Coating: Ni-Cu-Ni (Nickel)
Pull Force(lbs): 8.33 lbs (3.79kg)
Surface Field(Gauss): 3106 Gauss
Magnetization direction: Axial (Poles on Flat Ends)
Max Operating Temp: 80°C
Product Drawing: PDF drawing of ALB-D15x4mm · JPEG drawing of ALB-D15x4mm

Other Grade D15x4mm Neodymium Magnets (15mm dia. x 4mm thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-D15x4mm-N35 D15x4mm-N35 Neodymium Magnets 7.00 lbs (3.18kg) Inquiry
N38 ALB-D15x4mm-N38 D15x4mm-N38 Neodymium Magnets 7.00 lbs (3.18kg) Inquiry
N40 ALB-D15x4mm-N40 D15x4mm-N40 Neodymium Magnets 7.59 lbs (3.45kg) Inquiry
N42 ALB-D15x4mm D15x4mm Neodymium Magnets 8.33 lbs (3.79kg) Inquiry
N45 ALB-D15x4mm-N45 D15x4mm-N45 Neodymium Magnets 8.84 lbs (4.02kg) Inquiry
N48 ALB-D15x4mm-N48 D15x4mm-N48 Neodymium Magnets 9.37 lbs (4.26kg) Inquiry
N50 ALB-D15x4mm-N50 D15x4mm-N50 Neodymium Magnets 9.64 lbs (4.38kg) Inquiry
N52 ALB-D15x4mm-N52 D15x4mm-N52 Neodymium Magnets 9.91 lbs (4.50kg) Inquiry
N42SH ALB-D15x4mmSH D15x4mmSH Neodymium Magnets 8.33 lbs (3.79kg) Inquiry

High Temperature D15x4mm Neodymium Magnets (15mm dia. x 4mm thick) are also available:

Neodymium Material Type Maximum Operating Temp Curie Temp
N (N35-N52) 176°F (80°C) 590°F (310°C)
NM (N35M-N52M) 212°F (100°C) 644°F (340°C)
NH (N33H-N52H) 248°F (120°C) 644°F (340°C)
NSH (N30SH-N50SH) 302°F (150°C) 644°F (340°C)
NUH (N28UH-N48UH) 356°F (180°C) 662°F (350°C)
NEH (N28EH-N48EH) 392°F (200°C) 662°F (350°C)
NAH (N28AH-N35AH) 428°F (220°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.  

D15x4mm Neodymium Magnets (15mm dia. x 4mm thick) with other Coating are also available:

Coating Type Overall Thickness Salt Spray Test Pressure Cooker Test
Ni-Cu-Ni (Nickel) 15-21 μm 24 hours 48 hours
NiCu + Black Nickel 15-21 μm 24 hours 48 hours
NiCuNi + Epoxy 20-28 μm 48 hours 72 hours
NiCuNi + Gold 16-23 μm 36 hours 72 hours
NiCuNi + Silver 16-23 μm 24 hours 48 hours
Zinc 7-15 μm 12 hours 24 hours

Each individual layer of Nickel and Copper are 5-7 μm thick. The Gold and Silver Coating layers are 1-2 μm thick. Test results shown to allow comparison between Coating 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.

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