40НКМ | HB SPEICAL ALLOY

Soft Magnetic Alloys with Rectangular Hysteresis Loop

1J34, 1J40, 1J51, 1J52, 1J65, 1J67, 1J83

Soft magnetic alloys with rectangular hysteresis loop has the characteristics of magnetic anisotropy. Its easy magnetization direction is close to the rectangular hysteresis loop, the moment magnetic ratio Br / BS is usually more than 85%, and has high saturation magnetic induction intensity. Make magnetic amplifier, choke coil, rectifier coil and computer device components working in medium magnetic field.

Equivalent Grades

GB	ГОСТ	ASTM	UNS	DIN	W.Nr.	NF	BS	JIS	SS
1J34	34НКМ	–	–	–	–	–	–	–	–
1J40	40НКМ	–	–	–	–	–	–	–	–
1J65	65Н	–	–	–	–	–	–	–	–

Chemical Composition, %

Alloy	C	P	S	Si	Mn	Ni	Mo	Co	Cu	Fe
1J34	≤0.03	≤0.02	≤0.02	0.15-0.30	0.30-0.60	33.5-35.0	2.80-3.20	28.5-30.0	≤0.20	Rest
1J40	≤0.03	≤0.02	≤0.02	0.15-0.30	0.30-0.60	39.0-41.0	3.80-4.20	24.5-25.5	–	Rest
1J51	≤0.03	≤0.02	≤0.02	0.15-0.30	0.30-0.60	49.0-50.5	–	–	≤0.20	Rest
1J52	≤0.03	≤0.02	≤0.02	0.15-0.30	0.30-0.60	49.0-51.0	1.80-2.20	–	≤0.20	Rest
1J65	≤0.03	≤0.02	≤0.02	0.15-0.30	0.30-0.60	64.5-66.0	–	–	≤0.20	Rest
1J67	≤0.03	≤0.02	≤0.02	0.15-0.30	0.30-0.60	64.5-66.0	1.80-2.20	–	≤0.20	Rest
1J83	≤0.03	≤0.02	≤0.02	0.15-0.30	0.30-0.60	78.5-79.5	2.80-3.20	–	≤0.20	Rest

Soft Magnetic Alloys with Rectangular Hysteresis Loop

Alloy	Class	Thickness, mm	Permeability at a magnetic field intensity of 0.8A/m, μ0.8/mH˙m-1	Maximum permeability μm/mH˙m-1	Squareness ratio Br/Bm	Coercive force(under saturation magnetic induction) Hc/A˙m-1	Core loss /W˙kg-1		Saturation magnetic induction Bs/T ≥
Alloy	Class	Thickness, mm		Maximum permeability μm/mH˙m-1	Squareness ratio Br/Bm		P1/400	P1/3000	Saturation magnetic induction Bs/T ≥
1J34		0.02-0.04	–	≥60000(75)	≥0.90	≤16.0	–	–	1.50
		0.05-0.09	–	≥90000(112.5)	≥0.90	≤9.6	–	–	1.50
		0.10-0.20	–	≥110000(137.5)	≥0.87	≤8.0	–	–	1.50
1J40	Ⅰ	0.02	–	≥400000(500)	≥0.97	≤3.2	3.0-4.5	35-65	1.38
	Ⅰ	0.05	–	≥500000(625)	≥0.97	≤2.4	3.0-4.5	35-65	1.38
	Ⅱ	0.02	–	≥300000(375)	≥0.95	≤4.0	≤3.0	≤35	1.38
		0.05	–	≥400000(500)	≥0.95	≤3.2	≤3.5	≤40	1.38
		0.10	–	≥500000(625)	≥0.95	≤2.4	≤2.5	≤30	1.38
1J51	Ⅰ	0.02-0.09	–	≥40000(50)	≥0.85	≤20.0	–	–	1.50
	Ⅰ	0.10	–	≥40000(50)	≥0.85	≤18.0	–	–	1.50
	Ⅱ	0.02-0.04	–	≥60000(75)	≥0.92	≤15.0	≤4.0	–	1.50
		0.05-0.09	–	≥60000(75)	≥0.92	≤15.0	≤4.5	–	1.50
		0.10	–	≥60000(75)	≥0.90	≤15.0	≤5.0	–	1.50
	Ⅲ	0.02-0.04	–	≥76000(95)	≥0.94	≤13.0	–	–	1.52
	Ⅲ	0.05	–	≥80000(100)	≥0.94	≤11.0	–	–	1.52
1J52	Ⅰ	0.02-0.04	–	≥50000(62.5)	≥0.90	≤20.0	–	–	1.40
1J52	Ⅰ	0.05-0.10	–	≥70000(87.5)	≥0.90	≤16.0	–	–	1.40
1J65		0.02-0.04	–	≥100000(125)	≥0.90	≤6.4	–	–	1.30
		0.05-0.09	–	≥150000(187.5)	≥0.90	≤4.8	–	–	1.30
		0.10-0.50	–	≥220000(275)	≥0.90	≤3.2	–	–	1.30
1J67		0.02-0.04	–	≥160000(200)	≥0.90	≤6.4	–	–	1.20
		0.05-0.09	–	≥200000(250)	≥0.90	≤4.8	–	–	1.20
		0.10-0.19	–	≥250000(312.5)	≥0.90	≤4.0	–	–	1.20
		0.20-0.50	–	≥350000(437.5)	≥0.90	≤3.2	–	–	1.20
1J83		0.02-0.04	≥7000(8.8)	≥100000(125)	≥0.80	≤4.0	–	–	0.82
		0.05-0.09	≥7000(8.8)	≥150000(187.5)	≥0.80	≤2.4	–	–	0.82
		0.10	≥16000(20)	≥180000(225)	≥0.80	≤1.6	–	–	0.82

Typical Physical Constants and Mechanical Properties

Alloy	Density, g/cm3	Curie Point, ℃	Tensile Strength, MPa	Yield Strength, MPa	Elongation, %
1J34	8.7	–	540 Soft	–	42 Soft
1J40	8.55	600	–	–	–
1J51	8.2	500	450 Soft	–	37 Soft
1J52	8.2	–	–	–	–
1J65	8.35	600	540 Soft	–	43 Soft
1J67	8.48	530	930 Hard / 540 Soft	–	3 Hard / 50 Soft
1J83	8.6	460	1030 Hard / 490 Soft	–	3 Hard / 50 Soft

Available Products and Specifications

Rod, Bar, Forgings	GBn 198-88, GB/T 32286.1-2015, GOST 10160-1975, ASTM A753-2008
Plate, Sheet, Strip	GBn 198-88, GB/T 32286.1-2015, GOST 10160-1975, ASTM A753-2008
Pipe, Tube	GBn 198-88, GB/T 32286.1-2015, GOST 10160-1975, ASTM A753-2008
Fitting	–
Wire, Welding Product	–

Note:

Saturation magnetic induction of 1J34, 1J40, 1J51 and 1J52 is measured at a magnetic field intensity between 200A/m and 2400A/m. Saturation magnetic induction of 1J65, 1J67 and 1J83 is measured at a magnetic field intensity of 800A/m.

The core loss of 1J40(Ⅰ) should be measured at the temperature -40℃, +20℃ and +100℃.

P1/400 and P1/4000 mean the core losses at 400Hz and 3000Hz respectively and they should be tested at the peak value of magnetic induction of 1T.

Brs referring to the squareness ratio(Br/Bm) means the magnetic induction at a magnetic field intensity of 80A/m.

Feature

With crystallization/magnetic texture and rectangular hysteresis loop, fairly high maximum permeability and saturation magnetic induction.

Applications

Components of medium/small power magnetic amplifier, double polarity pulse transformer, saturation inductor, magnetic regulator, contactless relay, contact rectifiers reactor, amplitude modulator, pinnacle suppresser, calculation equipment and apparatus etcs.