Permendur 2V

Permendur 2V/Hiperco 50AHigh Saturation magnetic induction soft magnetic alloys 1J22(GB/T15002-1994)Permendur 2V is high saturation magnetic induction strength iron cobalt vanadium soft magnetic alloy,Website:http://www.astrongmagnet.com, its saturated magnetic induction intensity was the highest (2.4T)  in the existing soft magnetic material, Curie point is also very high (980 C), the saturation magnetostriction coefficient (60 - 100 * 10-6) is also highest. Due to high saturation magnetic induction strength, in, it can greatly reduce the volume in the production of the motors who have the same power, and it can produce a large suction force when making an electromagnet with the same cross-sectional area. Due to the high Curie point, the Hiperco 50A alloy can still work when the other soft magnetic materials has been completely demagnetization under high temperature, and keep the good magnetic stability. Due to the large magnetostrictive coefficient, Permendur 2V alloy is very suitable for making the magnetostrictive transducer, the output energy is high, and the work efficiency is also high. The resistivity of the alloy is low(0.27 M /), it is not suitable for use in high frequency. The price is more expensive, easy to oxidation, processing performance is poor, add the appropriate amount of nickel or other elements, can improve its processing.Relative Grade:GradeU.K.GermanyU.S.A.RussiaStandard1J22PermendurVacoflux 50Supermendur      HiperCo5050kGB/T15002-1994Grade and Chemical Composition (see Table 1) Table 1 Grade and Chemical CompositionGradeChemical Composition (%)CMnSiPSCuNiCoVFe1J220.040.300.300.0200.0200.200.5049.0~51.00.80~1.80BalancePhysical Property (see Table2 ) Table 2 Physical PropertyGradeResistivity /(  m)Density/(g/cm3)Curie point/ CMagnetostriction Cofficient/( 10-6)Tensile Strength,N/mm2UnannealedAnnealed1J220.408.2098060~1001325490Table 3 DC Magnetic Property Requirements After Heat-TreatedGradeTypeMinimum Magnetic Flux Density for Different Magnetic Field Strengths (T)Coercive forceHc / (A/m)B400B800B1600B2400B4000B80001J22Cold rolled Strips1.701.902.002.102.202.25110Wires,Forgings,Billets,Bars1.601.701.802.052.152.20144Table 4 Mean Coefficient of Thermal ExpansionTemperatureCoefficient68 F to20 C to10(-6)/ F10(-6)/ C     392      752      1112      1472     200     400      600      800     5.28      5.61      5.83      6.28     9.5      10.1      10.5      11.3Table 5 Workability & MachinabilityThe following charts include typical machining parameters used to machine Hiperco 50A alloy. The data listed should be used as a guide for initial machine setup only.High Speed ToolsTurning-      Single Point      And Box ToolsHigh Speed ToolsSFPM      IPR25-30      .003-.010Carbide ToolsSFPM      IPR70-90      .020-.007Turning      And      Forming            Tool WidthCut-Off      Tool      Width1/16"SFPM      IPR25      .0011/8"SFPM      IPR25      .0021/4"SFPM      IPR25      .003Form      Tool      Width1/2"SFPM      IPR25      .0041"SFPM      IPR25      .00251-1/2"SFPM      IPR25      .002DrillingDrill      Dia.3/8"SFPM      IPR30      .0053/4"SFPM      IPR30      .010ReamingUnder 1/2"SFPM      IPR65      .005Over 1/2"SFPM      IPR65      .010Die ThreadingT.P.I3-7SFPM88-15SFPM10Over 16SFPM15TappingT.P.I3-7SFPM68-15SFPM716-24SFPM11Over 25SFPM15MillingSFPM      IPR20-35      .001-.005BroachingSFPM8-15Chip LoadIPT.002When using carbide tools, surface speed feet/minute (SFPM) can be increased between 2 and 3 times over the high speed suggestions. Feeds can be increased between 50 and 100%.Figures used for all metal removal operations covered are average. On certain work, the nature of the part may require adjustment of speeds and feeds. Each job has to be developed for best production results with optimum tool life. Speeds or feeds should be increased or decreased in small steps.Table 6 Heat TreatmentWhen selecting a heat treating temperature for the application, two factors should be considered:1. For best magnetic soft characteristics, selec the highest suggested temperature.2. If the application requires specific mechanical properties higher than that produced when employing the highest temperature, selec the temperature that will provide desired mechanical properties.As temperature decreases, magnetic properties become less magnetic soft. Heat treating temperature for best soft magnetic properties should be 1625 F +/- 25 F (885 C +/- 15 C).Do not exceed 1652 F(900 C).The heat treating atmosphere used must be nonoxiding and noncarburizing. Atmospheres such as dry hydrogen or high vacuum are suggested. Time at temperature should be two to four hours. Cool at a rate of nominally 180 to 360 F (100 to 200 C) per hour to a temperature of least 700 F(370 C), then cool naturally to room temperatureTable 7 Typical Mechanical PropertiesEffect of Heat Treating Temperature on Hardness - Hiperco 50A alloyTemperatureHardness Rockwell BFC1558159816251692 843 870 885 925 94 89 97      92(poor magnetic properties)