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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 > DF7 Neodymium Magnets, 15/16 inch dia. x 7/16 inch thick

DF7 Neodymium Magnets, 15/16 inch dia. x 7/16 inch thick

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Item No.:	ALB-DF7
Material:	NdFeB, Grade N42
Shape:	Disc
Dimension:	15/16" dia. x 7/16" thick (23.81mm dia. X 11.11mm thick)
Tolerances:	±0.004"x ±0.004" (±0.1mmx ±0.1mm)
Weight:	37.117 g
Grade:	N42
Coating:	Ni-Cu-Ni (Nickel)
Pull Force(lbs):	36.73 lbs
Surface Field(Gauss):	4503.3 Gauss
Magnetization direction:	Through Thickness
Max Operating Temp:	80°C
Product Drawing:	·

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Related Magnets

Other Grade DF7 Neodymium Magnets (15/16" dia. x 7/16" thick):

Grade	Item No.	Product Name	Pull Force	Inquiry
N35	ALB-DF7-N35	DF7-N35 Neodymium Magnets	30.87 lbs	Inquiry
N38	ALB-DF7-N38	DF7-N38 Neodymium Magnets	30.87 lbs	Inquiry
N40	ALB-DF7-N40	DF7-N40 Neodymium Magnets	33.47 lbs	Inquiry
N42	ALB-DF7	DF7 Neodymium Magnets	36.73 lbs	Inquiry
N45	ALB-DF7-N45	DF7-N45 Neodymium Magnets	39.57 lbs	Inquiry
N48	ALB-DF7-N48	DF7-N48 Neodymium Magnets	42.51 lbs	Inquiry
N50	ALB-DF7-N50	DF7-N50 Neodymium Magnets	44.33 lbs	Inquiry
N52	ALB-DF7-N52	DF7-N52 Neodymium Magnets	46.18 lbs	Inquiry
N42SH	ALB-DF7SH	DF7SH Neodymium Magnets	36.73 lbs	Inquiry

High Temperature DF7 Neodymium Magnets (15/16" dia. x 7/16" 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.

DF7 Neodymium Magnets (15/16" dia. x 7/16" 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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