Soft Magnetic Alloy

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Soft magnetic materials

Soft Magnetic Alloy Wire

Strip

Thickness: 0.02mm-2.0mm

Width: 3mm-500mm

Length: Coiled strip or cut-to-length (up to 5000 m)

Plate / Sheet

Thickness: 0.3mm-10mm

Width: 100mm-1000mm

Length: 500mm-2000mm

Rod

Diameter: Ø5mm-Ø50mm

Length: 100mm-2000mm。

Wire

Diameter: Ø0.02mm-Ø3mm

Delivery Forms: Bright shiny surface or anodized surface, supplied in spools

Magnetic Properties

Material	Nickel-Iron Alloy	Cobalt-Iron Alloy
Saturate Induction (Bs)	0.8-1.6 T	2.0-2.3 T
Initial Magnetic Permeability (μi)	10,000-100,000	1,000-5,000
Coercivity (Hc)	≤2 A/m	≤15 A/m
Hysteresis Loss (W/kg)	Very low	Medium

Electrical Properties

Electrical Resistivity
Nickel-Iron Alloy	50-60×10⁻⁶ Ω·cm

Mechanical Properties

Hardness
Nickel-Iron Alloy	150-200 HV
Density
Nickel-Iron Alloy	8.1g/cm³
Cobalt-Iron Alloy	8.3g/cm³

Chemical Composition

Alloy Grades	Carbon (C)	Sulfur (S)	Phosphorus (P)	Manganese (Mn)	Silicon (Si)	Nickel (Ni)	Chromium (Cr)	Cobalt (Co)	Molybdenum (Mo)	Copper (Cu)	Aluminum (Al)	Niobium (Nb)	Iron (Fe)	Other Elements
	Not greater than
1J06	0.04	0.015	0.015	≤0.10	≤0.15	-	-	-	-	-	5.5-6.5	-	Rest	-
1J12	0.03	0.015	0.015	≤0.10	≤0.15	-	-	-	-	-	11.6-12.4		Rest	-
1J17	0.03	0.02	0.02	≤0.60	≤0.20	-	15.5-16.5	-	-	-	-	-	Rest	-
1J18	0.03	0.02	0.02	0.3-0.7	≤0.15	0.5-0.7	17-18.5	-	-	-	-	-	Rest	Ti.0.3-0.7
1J22	0.04	0.02	0.02	≤0.3	≤0.3	≤0.5	-	49-51	-	≤0.2	-	-	Rest	V.0.8-1.8
1J30	0.04	0.02	0.02	≤0.40	≤0.30	29.5-30.5	-	-	-	-	-	-	Rest	-
1J36	0.03	0.02	0.02	≤0.60	≤0.20	35.0-37.0	-	-	-	-	-	-	Rest	-
1J38	0.03	0.05	0.02	0.3-0.6	0.15-0.3	37.5-38.5	12.5-13.5	-	-	-	-	-	Rest	-
1J46	0.03	0.02	0.02	0.6-1.1	0.15-0.3	45.0-46.5	-	-	-	≤0.2	-	-	Rest	-
1J50	0.03	0.02	0.02	0.3-0.6	0.15-0.3	49-50.5	-	-	-	≤0.2	-	-	Rest	-
1J51	0.03	0.02	0.02	03-0.6	0.15-0.3	49-50.5	-	-	-	≤0.2	-	-	Rest	-
1J54	0.03	0.02	0.02	0.3-0.6	1.1-1.4	49.5-51	3.8-42	-	-	≤0.2	-	-	Rest	-
1J76	0.03	0.02	0.02	0.3-0.6	0.15-0.3	75.0-76.5	1.8-22	-	-	4.8-5.2	-	-	Rest	-
1J77	0.03	0.02	0.02	0.3-0.6	0.15-0.3	75.5-78	-	-	3.9-4.5	4.8-6.0	-	-	Rest	-
1J79	0.03	0.02	0.02	0.6-1.10	0.3-0.5	78.5-80.0	-	-	3.8-4.1	≤0.2	-	-	Rest	-
1J80	0.03	0.02	0.02	0.6-1.10	1.1-1.5	79.0-81.5	2.6-3.0	-	-	≤0.2	-	-	Rest	-
1J85	0.03	0.02	0.02	0.3-0.60	0.15-0.3	79.0-81.0	-	-	4.8-5.2	≤0.2	-	-	Rest	-
1J87	0.03	0.02	0.02	03-0.6	≤0.3	78.5-80.5	-	-	1.6-22	-	-	6.5-7.5	Rest	-

Features

• Easily magnetized and demagnetized
• Requires minimal energy to reverse magnetization
• Minimal energy loss due to hysteresis and eddy currents
• High saturation magnetic flux density, ensuring effective magnetic performance

Applications

• Power generation & distribution: Transformer cores, stators, and rotors in generators
• Consumer electronics: Magnetic shielding, inductors, and small transformers
• Automotive: Electric vehicle motors, sensors, and inductive charging systems
• Medical: MRI systems and other medical imaging devices
• Aerospace: High-performance motors and actuators

Packaging