Home > Products > Precision Alloy > 1J75, 1J77C, 1J79C, 1J85C, 1J87C, 1J92, 1J93, 1J94, 1J95

1J75, 1J77C, 1J79C, 1J85C, 1J87C, 1J92, 1J93, 1J94, 1J95

FOB Price

Negotiable / Kilogram

50 Kilograms(Min.Order)

Supply Ability 50 Ton / Tons per Month
Payment Terms:T/T

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Product Description

*Specification

YB/T-086-1996

*Product Forms

Tape, Sheet

*Chemical Composition, %

Alloy	C	P	S	Si	Mn	Ni	Mo	Nb	Cu	W	Cr	Fe
1J75	≤0.03	≤0.02	≤0.02	≤0.30	0.5-1.0	74-76	1.5-2.0	-	5.0-7.0	1.0-1.5	-	Rest
1J77C	≤0.03	≤0.02	≤0.02	≤0.30	≤0.7	76.5-78.0	3.5-4.5	-	3.8-5.3	-	-	Rest
1J79C	≤0.03	≤0.02	≤0.02	≤0.30	0.7-1.2	78.0-81.5	3.7-4.5	-	-	-	-	Rest
1J85C	≤0.03	≤0.02	≤0.02	0.3-0.6	0.3-0.7	80.0-81.5	5.0-6.0	-	-	-	-	Rest
1J87C	≤0.03	≤0.02	≤0.02	0.15-0.30	0.3-0.6	80.0-81.5	1.0-2.0	4.0-5.5	-	-	-	Rest
1J92	≤0.03	≤0.02	≤0.02	≤0.30	≤0.6	80.1-81.5	1.0-1.5	3.0-4.0	-	1.0-1.5	-	Rest
1J93	≤0.03	≤0.02	≤0.02	≤0.30	0.3-0.6	80.5-81.5	3.0-4.0	3.0-4.5	-	-	-	Rest
1J94	≤0.03	≤0.02	≤0.02	≤0.30	0.3-0.6	79.5-81.0	4.5-5.0	0.6-1.0	1.5-2.5	-	0.3-0.7	Rest
1J95	≤0.03	≤0.02	≤0.02	2.8-3.3	-	83-84	1.2-1.6	0.4-0.6	-	-	-	Rest

*DC Magnetic Properties

Alloy	Permeability at a magnetic field intensity of 0.4 A/m, μ_0.4/mH˙m^-1	Maximum permeability μ_m/mH˙m^-1	Saturation magnetic induction Bs/T	Coercive force (under saturation magnetic induction) Hc/A˙m^-1
1J75	≥30000(37.5)	≥150000(187.5)	≥0.70	≤1.6
1J77C	≥30000(37.5)	≥100000(125)	≥0.67	≤2.0
1J79C	≥30000(37.5)	≥100000(125)	≥0.75	≤1.6
1J85C	≥30000(37.5)	≥100000(125)	≥0.68	≤1.6
1J87C	≥35000(43.75)	≥150000(187.5)	≥0.64	≤1.5
1J92	≥35000(43.75)	≥150000(187.5)	≥0.70	≤1.5
1J93	≥35000(43.75)	≥100000(125)	≥0.60	≤2.0
1J94	≥40000(50)	≥100000(125)	≥0.60	≤1.6
1J95	≥40000(50)	≥100000(125)	≥0.55	≤1.6

*Ac Magnetic Properties

Alloy	Thickness, mm	Permeability at different frequencies measured at the peak value of magnetic field intensity of 0.8 A/m, μm/mH˙m-1
Alloy	Thickness, mm	0.3 kHz	1 kHz	10 kHz	100 kHz
1J75	0.094	≥30000(37.5)	≥20000(25)	≥6000(7.5)	≥1200(1.5)
	0.116	≥25000(31.25)	≥18000(22.5)	≥5000(6.25)	≥1000(1.25)
	0.146	≥20000(25)	≥14000(17.5)	≥4000(5)	≥700(0.875)
	0.196	≥15000(18.75)	≥10000(12.5)	≥3000(3.75)	≥500(0.625)
1J79C	0.094	≥30000(37.5)	≥15000(18.75)	≥5000(6.25)	≥1200(1.5)
	0.116	≥20000(25)	≥12000(15)	≥4000(5)	≥1000(1.25)
	0.146	≥12000(15)	≥10000(12.5)	≥3000(3.75)	≥700(0.875)
	0.196	≥10000(12.5)	≥8000(10)	≥2500(3.125)	≥500(0.625)
1J85C	0.094	≥30000(37.5)	≥20000(25)	≥7000(8.75)	≥1500(1.875)
	0.116	≥25000(31.25)	≥18000(22.5)	≥6000(7.5)	≥1200(1.5)
	0.146	≥20000(25)	≥14000(17.5)	≥5000(6.25)	≥700(0.875)
	0.196	≥15000(18.75)	≥10000(12.5)	≥3000(3.75)	≥500(0.625)
	0.32	≥10000(12.5)	≥8000(10)	≥1500(1.875)	≥300(0.375)
1J87C	0.094	≥35000(43.75)	≥25000(31.25)	≥7000(8.75)	≥1500(1.875)
	0.116	≥30000(37.5)	≥20000(25)	≥6000(7.5)	≥1200(1.5)
	0.146	≥25000(31.25)	≥15000(18.75)	≥5000(6.25)	≥800(1)
	0.196	≥15000(18.75)	≥10000(12.5)	≥3000(3.75)	≥600(0.75)
1J92	0.094	≥30000(37.5)	≥25000(31.25)	≥6000(7.5)	≥1400(1.75)
	0.116	≥25000(31.25)	≥20000(25)	≥5500(6.875)	≥1200(1.5)
	0.146	≥20000(25)	≥15000(18.75)	≥4500(5.625)	≥800(1)
	0.196	≥15000(18.75)	≥10000(12.5)	≥3000(3.75)	≥600(0.75)
1J93	0.094	≥40000(50)	≥25000(31.25)	≥8000(10)	≥1500(1.875)
	0.116	≥35000(43.75)	≥20000(25)	≥7000(8.75)	≥1200(1.5)
	0.146	≥30000(37.5)	≥15000(18.75)	≥5000(6.25)	≥1000(1.25)
	0.196	≥20000(25)	≥12000(15)	≥4000(5)	≥600(0.75)
1J94	0.118	-	≥25000(31.25)	-	≥1400(1.75)
	0.146	-	≥15000(18.75)	-	≥1000(1.25)
	0.196	-	≥10000(12.5)	-	≥700(0.875)
1J95	0.116	-	≥20000(25)	-	≥1300(1.625)
	0.146	-	≥14000(17.5)	-	≥700(0.875)
	0.196	-	≥10000(12.5)	-	≥500(0.625)

*Feature

At the frequency of 0.3-100kHz, it has high impedance permeability, good stability of magnetism to stress, temperature and time, high hardness, good wear resistance and corrosion resistance. Its machinability can meet the processing requirements of deep drawing, bending, grinding and welding. The strip has high dimensional accuracy, heavy roll and good appearance quality.

*Application

Head housing, chips and isolators for magnetic recording devices in computers, magnetic card machines, video recorders, tape recorders, digital coders, radio, television and film equipment.