DY04 Neodymium Magnets, 2 inch dia. x 1/4 inch thick

Item No.: ALB-DY04
Material: NdFeB, Grade N42
Shape: Disc
Dimension: 2" dia. x 1/4" thick
(50.8mm dia. X 6.35mm thick)
Tolerances: ±0.004" x ±0.004" (±0.1mm x ±0.1mm)
Weight: 3.41 oz. (96.5 g)
Grade: N42
Coating: Ni-Cu-Ni (Nickel)
Pull Force(lbs): 44.40 lbs
Surface Field(Gauss): 1601 Gauss
Magnetization direction: Axial (Poles on Flat Ends)
Max Operating Temp: 80°C
Product Drawing: PDF drawing of ALB-DY04 · JPEG drawing of ALB-DY04

Other Grade DY04 Neodymium Magnets (2" dia. x 1/4" thick):

Grade Item No. Product Name Pull Force Inquiry
N35 ALB-DY04-N35 DY04-N35 Neodymium Magnets 37.63 lbs Inquiry
N38 ALB-DY04-N38 DY04-N38 Neodymium Magnets 37.63 lbs Inquiry
N40 ALB-DY04-N40 DY04-N40 Neodymium Magnets 40.80 lbs Inquiry
N42 ALB-DY04 DY04 Neodymium Magnets 44.78 lbs Inquiry
N45 ALB-DY04-N45 DY04-N45 Neodymium Magnets 48.24 lbs Inquiry
N48 ALB-DY04-N48 DY04-N48 Neodymium Magnets 51.82 lbs Inquiry
N50 ALB-DY04-N50 DY04-N50 Neodymium Magnets 54.04 lbs Inquiry
N52 ALB-DY04-N52 DY04-N52 Neodymium Magnets 56.29 lbs Inquiry
N42SH ALB-DY04SH DY04SH Neodymium Magnets 44.78 lbs Inquiry

High Temperature DY04 Neodymium Magnets (2" dia. x 1/4" 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.  

DY04 Neodymium Magnets (2" dia. x 1/4" 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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