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ALB Materials Inc
2360 Corporate Circle. Suite 400
Henderson, NV 89074-7739
United States
E-mail: sales@albmagnets.com

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Magnets Home > Products > Neodymium Magnets > Disc > D40x5mm Neodymium Magnet, 40 x 5mm Disc Magnet

D40x5mm Neodymium Magnet, 40 x 5mm Disc Magnet

Inquiry

Item No.:	ALB-D40x5mm
Material:	NdFeB, Grade N42
Shape:	Disc
Dimension:	40mm dia. x 5mm thick
Tolerances:	±0.1mm x ±0.1mm
Weight:	47.124g
Grade:	N42
Coating:	Ni-Cu-Ni (Nickel)
Pull Force(lbs):	27.76 lbs (12.62kg)
Surface Field(Gauss):	1601 Gauss
Magnetization direction:	Axial (Poles on Flat Ends)
Max Operating Temp:	80°C
Product Drawing:	·

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Related Magnets

Other Grade D40x5mm Neodymium Magnets (40mm dia. x 5mm thick):

Grade	Item No.	Product Name	Pull Force	Inquiry
N35	ALB-D40x5mm-N35	D40x5mm-N35 Neodymium Magnets	23.32 lbs (10.60kg)	Inquiry
N38	ALB-D40x5mm-N38	D40x5mm-N38 Neodymium Magnets	23.32 lbs (10.60kg)	Inquiry
N40	ALB-D40x5mm-N40	D40x5mm-N40 Neodymium Magnets	25.29 lbs (11.50kg)	Inquiry
N42	ALB-D40x5mm	D40x5mm Neodymium Magnets	27.76 lbs (12.62kg)	Inquiry
N45	ALB-D40x5mm-N45	D40x5mm-N45 Neodymium Magnets	29.46 lbs (13.39kg)	Inquiry
N48	ALB-D40x5mm-N48	D40x5mm-N48 Neodymium Magnets	31.22 lbs (14.19kg)	Inquiry
N50	ALB-D40x5mm-N50	D40x5mm-N50 Neodymium Magnets	32.12 lbs (14.60kg)	Inquiry
N52	ALB-D40x5mm-N52	D40x5mm-N52 Neodymium Magnets	33.03 lbs (15.02kg)	Inquiry
N42SH	ALB-D40x5mmSH	D40x5mmSH Neodymium Magnets	27.76 lbs (12.62kg)	Inquiry

High Temperature D40x5mm Neodymium Magnets (40mm dia. x 5mm 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.

D40x5mm Neodymium Magnets (40mm dia. x 5mm 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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