Top quality new coming arrival magnetic material smco magnets

Top quality new coming arrival magnetic material smco magnets   ndfeb neodymium permanent magnet, ring shaped magnet
1) Strong magnetic force
2) High intrinsic coercive force   Feature of arrival magnetic material smco magnets: 1) Material: Sintered/bonded Neodymium-Iron-Boron; 2) Grade:N33-N52,33M-48M,33H-48H,30SH-45SH,30UH-38UH and 30EH-35EH;29AH-34AH,28/30TH 3) Shape: ring,block,disc,bar and so on; 4) Size: according to customers' request; 5) Coating: Expoxy Resin Ni 6) Application: sensors,motors, rotors, wind turbines,wind generators, loudspeakers,magnetic holder, filters automobiles and so on.    The table below compares the magnetic performance of neodymium magnets with other types of permanent magnets.  

Magnet	Mr (T)	Hci (kA/m)	BHmax (kJ/m3)	TC (°C)
Nd2Fe14B (sintered)	1.0–1.4	750–2000	200–440	310–400
Nd2Fe14B (bonded)	0.6–0.7	600–1200	60–100	310–400
SmCo5 (sintered)	0.8–1.1	600–2000	120–200	720
Sm(Co, Fe, Cu, Zr)7 (sintered)	0.9–1.15	450–1300	150–240	800
Alnico (sintered)	0.6–1.4	275	10–88	700–860
Sr-ferrite (sintered)	0.2–0.4	100–300	10–40	450

Physical and mechanical properties

Comparison of physical properties of sintered neodymium and Sm-Co magnets
Property	Neodymium	Sm-Co
Remanence (T)	1–1.3	0.82–1.16
Coercivity (MA/m)	0.875–1.99	0.493–1.59
Permeability	1.05	1.05
Temperature coefficient of remanence (%/K)	–0.12	–0.03
Temperature coefficient of coercivity (%/K)	–0.55..–0.65	–0.15..–0.30
Curie temperature (°C)	320	800
Density (g/cm3)	7.3–7.5	8.2–8.4
CTE, magnetizing direction (1/K)	5.2×10–6	5.2×10–6
CTE, normal to magnetizing direction (1/K)	–0.8×10–6	11×10–6
Flexural strength (N/mm2)	250	150
Compressive strength (N/mm2)	1100	800
Tensile strength (N/mm2)	75	35
Vickers hardness (HV)	550–650	500–550
Electrical resistivity (Ω·cm)	(110–170)×10–6	86×10–6

  PHYSICAL PROPERTIES OF SINTERED NdFeB

Temp.Coeff.of Br		-0.09~-0.11%/℃		Specific Heat		0.12Kcal/(kg,℃)
Density		7.4-7.6g/cm3		Young’s Modulus		1.6x1011N/m2
Vickers hardness		600Hv		Poisson’s Ratio		0.24
Tensile Strength		8.0Kg/mm2		Curie Temperature		310~340℃

 

Temp.Coeff.of Hc		-0.50~-0.60%/℃		Thermal Conductivity		7.7Kcal/(m.h.℃)
Electrical Resistivity		114μΩ.cm		Rigidity		0.64N/m2
Flexural Strength		25Kg/mm		Compressibility		9.8x10-12m2/N
Coeff. Of Thermal Expansion		4x10-6/℃		Relative recoil permeabilityμrev		1.05

  Introduction of arrival magnetic material smco magnets:
1,Metal injection molding, made from the stainless steel, tungsten, Iron-base alloy, tool steel, hard metal alloy.
2,Rare earth magnet, including sintered Neodymium-Iron-Boron, bonded Neodymium-Iron-Boron, sintered Samarium-Cobalt. All magnets are supplied in a wide range of shapes such as: rectangular blocks, discs, rings and segments.
3,Ferrite magnet: Hard ferrite magnet and soft ferrite magnet including the MnZn and NiZn.
4,Die-cast component, made from zinc, aluminum, magnesium alloys.   Picture of arrival magnetic material smco magnets:       Other quality management
SPC dada statistics., Advanced inspection equipments, Staff education, APQP FMEA , PPAP , SPC , MSA , 6 sigma , MIL-STD M105E Standard Ac=0 Sampling Method ( Zero Defect Plan ) , Traceable lot number naming method .     ♣ Please do not hesitate to contact us with the following infomation if you have intention of purchasing,thanks 1.Drawings or samples (offering both will be preferred). 2.Purchasing quantity. 3.Materials and other requirements.     Certification:   arrival magnetic material smco magnets