DDY8 Neodymium Magnets, 13/16 inch dia. x 2 1/2 inch thick

Item No.: ALB-DDY8
Material: NdFeB, Grade N42
Shape: Disc
Dimension: 13/16" dia. x 2 1/2" thick
(20.64mm dia. X 63.5mm thick)
Tolerances: ±0.004"x ±0.004" (±0.1mmx ±0.1mm)
Weight: 159.3085 g
Grade: N42
Coating: Ni-Cu-Ni (Nickel)
Pull Force(lbs): 92.04 lbs
Surface Field(Gauss): 6514.55 Gauss
Magnetization direction: Through Thickness
Max Operating Temp: 80°C
Product Drawing: PDF drawing of ALB-DDY8 · JPEG drawing of ALB-DDY8

Other Grade DDY8 Neodymium Magnets (13/16" dia. x 2 1/2" thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-DDY8-N35 DDY8-N35 Neodymium Magnets 77.34 lbs Inquiry
N38 ALB-DDY8-N38 DDY8-N38 Neodymium Magnets 77.34 lbs Inquiry
N40 ALB-DDY8-N40 DDY8-N40 Neodymium Magnets 83.86 lbs Inquiry
N42 ALB-DDY8 DDY8 Neodymium Magnets 92.04 lbs Inquiry
N45 ALB-DDY8-N45 DDY8-N45 Neodymium Magnets 99.14 lbs Inquiry
N48 ALB-DDY8-N48 DDY8-N48 Neodymium Magnets 106.51 lbs Inquiry
N50 ALB-DDY8-N50 DDY8-N50 Neodymium Magnets 111.06 lbs Inquiry
N52 ALB-DDY8-N52 DDY8-N52 Neodymium Magnets 115.70 lbs Inquiry
N42SH ALB-DDY8SH DDY8SH Neodymium Magnets 92.04 lbs Inquiry

High Temperature DDY8 Neodymium Magnets (13/16" dia. x 2 1/2" 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.  

DDY8 Neodymium Magnets (13/16" dia. x 2 1/2" 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.

If you can't find what you want, just send us an inquiry and we will be happy to make it for you!
Send us an inquiry now to find out more information and the latest prices, thanks!

  • Not clear? Click to refresh.

How to choose and buy a strong neodymium magnet? ALBMagnets is a professional company for strong magnet design and manufacturing,
providing you with reliable N35, N38, N42, N52, N42SH and other grade super neodymium magnets and SmCo rare earth magnets.

Can't Find The Magnets You Need?