0769-23388351
Toggle Navigation
General Physical Properties of Alnico magnets;
Manufactured by casting or powder metallurgy
Alloy consisting of AI-Ni-Fe-Co
Very hard and brittle
Low demagnetization resistance
Excellent temperature stability
Good machinability
Average magnetic properties
Casting And Sintering Alnico Magnets Physical Properties | |||
Property | Units | Value Sintered Alnico | Value Cast Alnico |
Vickers Hardness | Hv | 440 | 440-620 |
Density | g/cm3 | 6.8 – 7.0 | 6.9 – 7.3 |
Curie Temp TC | °C | 810 – 860 | 740 – 860 |
Curie Temp TF | °F | 1,400 – 1,580 | 1,460 – 1,580 |
Specific Resistance | μΩ⋅Cm | 50- 70 | 45 – 75 |
Bending Strength | kN/mm2 | 0.35 – 0.76 | 0.05 – 0.31 |
Tensile Strength | kN/mm2 | 0.35- 0.45 | 0.02 – 0.15 |
Thermal Expansion | °C-1 | +11.0 to +12.4 x10-6 | +11.0 to +13.0 x10-6 |
The listed values are approximate and should be used as a reference. Any magnetic or physical characteristics should be substantiated before selecting a magnet material. | |||
Product Direct Category;
The following article may be helpful;
This product is a 1mm 6-sided magnet, made of rare earth neodymium magnet, N52 grade, the surface coating is gold, very beautiful, the width is 6mmmm, the thickness is 1mm, and the thickness is magnetized. If you are interested in this small-sized polygonal magnet You can contact the courage magnet manufacturer to quote and customize for you....
You need to buy small magnets with holes. Welcome to the Courage Magnet Factory in China. We can customize small magnets with through holes (straight holes) or countersunk holes for you. You can choose NdFeB or other weak materials. The magnetic performance is generally above 3000 Gauss. If you need to know its price, please send us an inquiry, thank you!...
This sample is a magnet with a thickness of 12mm, the material is strong NdFeB magnet, the thickness is magnetized, and the surface is galvanized. You can also choose radial magnetization, depending on your needs, the specific size is 6mm in diameter, 12mm in height and thickness....
This product is a magnetic steel for the electric tricycle/bicycle handle governor, with an arc shaped shape and made of rare earth neodymium...
This sample is a magnet with a diameter of 9mm and a thickness of only 1.5mm. It belongs to the series of thin and strong magnets. It is provided by the NST magnet manufacturer in China....
If you're looking for ultra-thin round magnets in stock, check out this model: 20mm in diameter and 0.5mm thick (20x0.5mm),...
This product is a radially magnetized 10-pole (5N5S) ring magnet, the material is bonded NdFeB, the surface coating is black epoxy, the magnet size is 27mm outer diameter, 22.7mm inner diameter, 21mm height, if you feel this specification If you are interested, you can contact our company for a quotation, provide samples...
This product is a 12 poles axial ferrite ring designed for rowing machines. It features a relatively large central bore and is manufactured from high-performance sintered ferrite material....