Neodymium Ring Magnet - 22mm x 4.5mm x 10mm

Product code: 23004A

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Neodymium Ring Magnet - 22mm x 4.5mm x 10mm

Rated 5.0 out of 5
Based on 1 review
Product Code 23004A
Pull Force* 12.64 kg
Weight 27 gm
Style Neodymium Ring Magnet
Grade N38
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised thru the 10mm
Dimensions Outside Diameter:22mm, Inside Diameter:4.5mm, Thickness:10mm
*Measured against up to 10mm mild steel.
Neodymium Ring Magnet - 22mm x 4.5mm x 10mm

Magnetic Product Description:

This rare earth ring magnet has an outside diameter of 22mm, an inside diameter of 4.5mm and a thickness of 10mm.  It is identified by the AMF magnet part number 23004A.


Uses for our rare earth ring magnets:

The ring shape of these Neodymium magnets makes them ideal for applications that require the magnet to be fixed onto a soft material or in a semi-permanent location. The centre hole allows them to be easily secured using wire, rope, string or cable ties. Likewise ring magnets are easily stitched into flexible materials such as fly screen, shade cloth or textiles. Ring magnets are a popular choice for people constructing semi-permanent structures such as campsites, sporting events or festivals as they can be easily set up and removed whilst providing reliable holding power whilst in use.

Neodymium Ring Magnet - 22mm x 4.5mm x 10mm (23004A)

Grade
N38 N/A
Max Operating Temperature °C
<=80 N/A
Remanence Br(T)
1.23-1.3 N/A
Remanence Br(kGs)
12.3-13 N/A
Coercivity bHc(kA/m)
>=859 N/A
Coercivity bHc(Oe)
>=10.8 N/A
Intrinsic Coercivity iHc(kA/m)
>=955 N/A
Intrinsic Coercivity iHc(Oe)
>=12 N/A
Max Energy Product(BH)max(KJ/m)
286-318 N/A
Max Energy Product(BH)max(MGOe)
36-40 N/A
Grade N38 N/A
Max Operating Temperature °C <=80 N/A
Remanence Br(T) 1.23-1.3 N/A
Remanence Br(kGs) 12.3-13 N/A
Coercivity bHc(kA/m) >=859 N/A
Coercivity bHc(Oe) >=10.8 N/A
Intrinsic Coercivity iHc(kA/m) >=955 N/A
Intrinsic Coercivity iHc(Oe) >=12 N/A
Max Energy Product(BH)max(KJ/m) 286-318 N/A
Max Energy Product(BH)max(MGOe) 36-40 N/A

NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.

average rating 5.0 out of 5
Based on 1 review
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    1 Review
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by JF
I recommend this product
Rated 5 out of 5
Review posted

Great service

Super easy process. Order came really quickly and the magnets are perfect. Great quality and good info on how to handle powerful magnets which is surprisingly harder than you might think if it’s not a regular thing for you! Thank you

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Neodymium Ring Magnet - 22mm x 4.5mm x 10mm

Magnetic Product Description:

This rare earth ring magnet has an outside diameter of 22mm, an inside diameter of 4.5mm and a thickness of 10mm.  It is identified by the AMF magnet part number 23004A.


Uses for our rare earth ring magnets:

The ring shape of these Neodymium magnets makes them ideal for applications that require the magnet to be fixed onto a soft material or in a semi-permanent location. The centre hole allows them to be easily secured using wire, rope, string or cable ties. Likewise ring magnets are easily stitched into flexible materials such as fly screen, shade cloth or textiles. Ring magnets are a popular choice for people constructing semi-permanent structures such as campsites, sporting events or festivals as they can be easily set up and removed whilst providing reliable holding power whilst in use.

Neodymium Ring Magnet - 22mm x 4.5mm x 10mm (23004A)

Grade
N38 N/A
Max Operating Temperature °C
<=80 N/A
Remanence Br(T)
1.23-1.3 N/A
Remanence Br(kGs)
12.3-13 N/A
Coercivity bHc(kA/m)
>=859 N/A
Coercivity bHc(Oe)
>=10.8 N/A
Intrinsic Coercivity iHc(kA/m)
>=955 N/A
Intrinsic Coercivity iHc(Oe)
>=12 N/A
Max Energy Product(BH)max(KJ/m)
286-318 N/A
Max Energy Product(BH)max(MGOe)
36-40 N/A
Grade N38 N/A
Max Operating Temperature °C <=80 N/A
Remanence Br(T) 1.23-1.3 N/A
Remanence Br(kGs) 12.3-13 N/A
Coercivity bHc(kA/m) >=859 N/A
Coercivity bHc(Oe) >=10.8 N/A
Intrinsic Coercivity iHc(kA/m) >=955 N/A
Intrinsic Coercivity iHc(Oe) >=12 N/A
Max Energy Product(BH)max(KJ/m) 286-318 N/A
Max Energy Product(BH)max(MGOe) 36-40 N/A

NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.

average rating 5.0 out of 5
Based on 1 review
  • 5 Stars
    1 Review
  • 4 Stars
    0 Reviews
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
1 Review
Reviewed by JF
I recommend this product
Rated 5 out of 5
Review posted

Great service

Super easy process. Order came really quickly and the magnets are perfect. Great quality and good info on how to handle powerful magnets which is surprisingly harder than you might think if it’s not a regular thing for you! Thank you

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