Project Description

Soft Magnetic Alloys with High Initial Permeability

Alloy

1J76, 1J77, 1J79, 1J80, 1J85, 1J86

Equivalent Grades

GBJISTrademarkUNSDINNFГОСТBS
1J76PC-2
PC-22
Mumetal
Round Permalloy 80
HyMu 80
HyMu77
N14076Mumetal
Vacoperm
Mumetal
Permimphy 1
76НХДMumetal M2, M2+
Supermumetal SM2
1J7777НМД
1J79Supermalloy
Square Permalloy 80
HyMu 80 Ⅱ
HyRa 80
N14080Ultraperm 10
Ultraperm 200
Ultraperm 300
Ultraperm F80
Ultraperm 200TK
Ultraperm Z
Permimphy 2
Permimphy 5
Permimphy 6
Permimphy C
79НSupermumetal SM150, 250
Supermumetal SM300
1J8080НХС
1J85PC-80
PC-3
Super-permalloy
Wacumate

Specification

GBn 198-88, ГОСТ 10994-1974, ГОСТ 10160-1975, ASTM A753-2008

Product Forms

Pipe, Tube, Sheet, Strip, Plate, Round Bar, Flat Bar, Forgings, Hexagon, Wire

Chemical Composition,%

AlloyCPSSiMnNiCuCoCrFe
1J76≤0.03≤0.02≤0.020.15-0.300.30-0.6075.0-76.54.80-5.201.80-2.20Rest
1J77≤0.03≤0.02≤0.020.15-0.300.30-0.6075.0-78.04.80-6.00Rest
1J79≤0.03≤0.02≤0.020.30-0.500.60-1.1078.5-80.0≤0.20Rest
1J80≤0.03≤0.02≤0.021.10-1.500.60-1.1079.0-81.5≤0.302.60-3.00Rest
1J85≤0.03≤0.02≤0.020.15-0.300.30-0.6079.0-81.0≤0.20Rest
1.86≤0.03≤0.02≤0.02≤0.30≤1.0080.5-81.5Rest

AC Magnetic Properties of Soft Magnetic alloys with High Permeability and Fairly High Saturation Magnetic Induction

AlloyTypeThickness, mmElastic permeability at different frequencies measured at the peak value of magnetic field intensity of 0.1 A/m, μm/mH˙m-1
60 Hz400 Hz1 kHz10 kHz
1J79Cold rolled strip0.02≥14000(17.5)≥10000(12.5)
0.05≥15040(18.8)≥7520(9.4)
0.10≥18000(22.5)≥12000(15)
0.20≥10000(12.5)≥6000(7.5)
0.35≥25≥7040(8.8)
1J85Cold rolled strip0.02≥16000(20)≥12000(15)
0.05≥25040(31.3)≥9040(11.3)
0.10≥25040(31.3)≥20000(25)
0.20≥19040(23.8)≥8000(10)
0.35≥38≥10000(12.5)

DC Magnetic Properties of Soft Magnetic alloys with High Permeability and Fairly High Saturation Magnetic Induction

AlloyTypeClassThickness, mmPermeability at a magnetic field intensity of 0.4 A/m, μ0.4/mH˙m-1Maximum permeability μm/mH˙m-1Coercive force (under saturation magnetic induction) Hc/A˙m-1Saturation magnetic induction Bs/T
1J76Cold rolled strip0.02-0.04≥15040(18.8)≥60000(75)≤4.80.75
0.05-0.09≥18000(22.5)≥100000(125)≤3.20.75
0.10-0.19≥20000(25)≥140000(175)≤2.80.75
0.20-0.50≥25040(31.3)≥180000(225)≤1.40.75
1J77Cold rolled strip0.05-0.09≥30000(37.5)≥140000(175)≤1.40.60
0.10-0.19≥40000(50)≥180000(225)≤2.00.60
0.20-0.34≥50000(62.5)≥220000(275)≤1.20.60
0.35-0.50≥60000(75)≥250000(312.5)≤1.00.60
1J79Cold rolled strip0.02-0.04≥16000(20)≥90000(112.5)≤4.00.75
0.05-0.09≥18000(22.5)≥110000(137.5)≤2.80.75
0.10-0.19≥20000(25)≥130000(162.5)≤2.00.75
0.20-0.34≥22400(28)≥180000(225)≤1.60.75
0.35-1.00≥24600(31)≥200000(250)≤1.20.75
1.10-2.50≥22400(28)≥180000(225)≤1.60.75
0.02-0.04≥20000(25)≥100000(125)≤2.40.75
0.05-0.09≥20000(25)≥120000(150)≤1.60.75
0.10-0.19≥22400(28)≥152000(190)≤1.20.75
0.20-0.34≥24800(31)≥200000(250)≤1.20.75
0.35-1.00≥30400(38)≥224000(280)≤1.00.75
1.10-2.50≥24800(31)≥184000(230)≤1.20.75
0.02-0.04≥24800(31)≥152000(190)≤1.60.73
0.05-0.09≥30400(38)≥200000(250)≤1.20.73
0.10-0.19≥30400(38)≥200000(250)≤1.20.73
0.20-0.34≥30400(38)≥224000(280)≤1.00.73
0.35-≥35200(44)≥248000(310)≤1.00.73
Hot rolled flat4.5-20.00≥20000(25)≥100000(125)≤2.40.75
Hot rolled rod20.00-100.00≥20000(25)≥100000(125)≤2.40.75
1J80Cold rolled strip0.03-0.04≥18400(23)≥75040(93.8)≤4.00.65
0.05-0.09≥20000(25)≥90000(112.5)≤3.20.65
0.10-0.19≥22400(28)≥120000(150)≤2.40.65
0.20-0.34≥28000(35)≥140000(175)≤1.60.65
0.35-0.50≥35200(44)≥160000(200)≤1.20.65
0.50-1.00≥35040(43)≥160000(200)≤1.00.65
1.10-2.50≥24800(31)≥152000(190)≤1.20.65
0.03-0.04≥22400(28)≥100000(125)≤3.20.63
0.05-0.09≥30400(38)≥152000(190)≤1.60.63
0.10-0.19≥32000(40)≥160000(200)≤1.20.63
0.20-0.34≥35200(44)≥160000(200)≤1.20.63
0.35-0.50≥35200(44)≥200000(250)≤1.00.63
0.03-0.04≥30400(38)≥120000(150)≤1.60.63
0.05-0.09≥40000(50)≥200000(250)≤1.00.63
0.10-0.34≥44800(56)≥200000(250)≤1.00.63
0.35-0.50≥50400(63)≥248000(310)≤0.80.63
Hot rolled flat4.50-20.00≥22000(27.5)≥80000(100)≤2.40.65
Hot rolled rod20.00-100.00≥22000(27.5)≥80000(100)≤2.40.65
1J85Cold rolled strip0.03-0.04≥18000(22.5)≥80000(100)≤3.60.70
0.05-0.09≥28000(35)≥110000(137.5)≤2.40.70
0.10-0.19≥30000(37.5)≥150000(187.5)≤1.60.70
0.20-0.34≥40000(50)≥180000(225)≤1.20.70
0.35-1.00≥50000(62.5)≥250000(312.5)≤0.80.70
1.10-2.50≥40000(50)≥150000(187.5)≤1.20.70
0.03-0.04≥30000(37.5)≥110000(137.5)≤2.40.70
0.05-0.09≥40000(50)≥140000(175)≤1.60.70
0.10-0.19≥50000(62.5)≥180000(225)≤1.20.70
0.20-0.34≥60000(75)≥200000(250)≤1.00.70
0.35-≥55040(68.8)≥260000(325)≤0.70.70
Hot rolled flat4.50-20.00≥30000(37.5)≥100000(125)≤1.60.70
Hot rolled rod20.00-100.00≥30000(37.5)≥100000(125)≤1.60.70
1J86Cold rolled strip0.03-0.04≥30000(37.5)≥110000(137.5)≤2.40.60
0.05-0.09≥40000(50)≥150000(187.5)≤1.40.60
0.10-0.19≥50000(62.5)≥180000(225)≤1.20.60
0.20-0.34≥60000(75)≥220000(275)≤0.70.60
0.35-1.00≥50000(62.5)≥200000(250)≤1.20.60

Note: Saturation magnetic induction Bs is measured at a magnetic field intensity of 800 A/m.

Feature

High or much higher initial permeability and maximum permeability, extremely low coercive force and fairly low saturation magnetic induction.

Application

High sensitive and small power transformers used in a weak magnetic field, magnetic amplifiers, relays reactors, magnetic heads of magnetic recording equipments, magnetic shielding, a variety of strip wound cores, and lamination cores, etcs.