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

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Magnets Home > Products > Neodymium Magnets > Disc > DX4A Neodymium Magnets, 1 1/4 inch dia. x 5/8 inch thick

DX4A Neodymium Magnets, 1 1/4 inch dia. x 5/8 inch thick

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Item No.:	ALB-DX4A
Material:	NdFeB, Grade N42
Shape:	Disc
Dimension:	1 1/4" dia. x 5/8" thick (31.75mm dia. X 15.88mm thick)
Tolerances:	±0.004"x ±0.004" (±0.1mmx ±0.1mm)
Weight:	94.2654 g
Grade:	N42
Coating:	Ni-Cu-Ni (Nickel)
Pull Force(lbs):	69.97 lbs
Surface Field(Gauss):	4666.9 Gauss
Magnetization direction:	Through Thickness
Max Operating Temp:	80°C
Product Drawing:	·

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Related Magnets

Other Grade DX4A Neodymium Magnets (1 1/4" dia. x 5/8" thick):

Grade	Item No.	Product Name	Pull Force	Inquiry
N35	ALB-DX4A-N35	DX4A-N35 Neodymium Magnets	58.79 lbs	Inquiry
N38	ALB-DX4A-N38	DX4A-N38 Neodymium Magnets	58.79 lbs	Inquiry
N40	ALB-DX4A-N40	DX4A-N40 Neodymium Magnets	63.75 lbs	Inquiry
N42	ALB-DX4A	DX4A Neodymium Magnets	69.97 lbs	Inquiry
N45	ALB-DX4A-N45	DX4A-N45 Neodymium Magnets	75.37 lbs	Inquiry
N48	ALB-DX4A-N48	DX4A-N48 Neodymium Magnets	80.97 lbs	Inquiry
N50	ALB-DX4A-N50	DX4A-N50 Neodymium Magnets	84.43 lbs	Inquiry
N52	ALB-DX4A-N52	DX4A-N52 Neodymium Magnets	87.96 lbs	Inquiry
N42SH	ALB-DX4ASH	DX4ASH Neodymium Magnets	69.97 lbs	Inquiry

High Temperature DX4A Neodymium Magnets (1 1/4" dia. x 5/8" 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.

DX4A Neodymium Magnets (1 1/4" dia. x 5/8" 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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