1J80 Soft Magnetic Alloy Pipes For Transformers And Magnetic Amplifiers
1J80 Soft Magnetic Alloy Pipes: Ideal for Transformers and Magnetic Amplifiers
Product Overview
1J80 soft magnetic alloy pipes are engineered for applications requiring high magnetic permeability and low coercivity in weak magnetic fields. These pipes are predominantly composed of nickel (79.0–81.5%) and iron, with minor additions of cobalt (≤3.0%) and silicon (1.10–1.50%). They are designed to deliver exceptional magnetic performance in various electronic and electrical applications.
These pipes are ideal for use in weak magnetic fields where efficiency and precision are paramount. Their unique composition and processing techniques ensure superior performance in various industrial applications.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤0.03 |
| Phosphorus (P) | ≤0.02 |
| Sulfur (S) | ≤0.02 |
| Manganese (Mn) | 0.60–1.10 |
| Silicon (Si) | 1.10–1.50 |
| Nickel (Ni) | 79.0–81.5 |
| Cobalt (Co) | ≤3.0 |
| Molybdenum (Mo) | — |
| Copper (Cu) | ≤0.30 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Density | 8.6 g/cm³ |
| Curie Temperature | ~400°C |
| Electrical Resistivity | 0.56 μΩ·m |
| Saturation Magnetic Induction (Bs) | ~0.75 T |
| Initial Permeability (μ₀.08) | ≥20 mH/m |
| Maximum Permeability (μmax) | ≥87.5 mH/m |
| Coercivity (Hc) | ≤4.8 A/m |
Physical Properties
| Property | Value |
|---|---|
| Density | 8.6 g/cm³ |
| Melting Point | ~1450°C |
| Thermal Conductivity | 17.0 W/°K·m |
| Resistivity | 0.56 μΩ·m |
| Coefficient of Linear Expansion | 10.9–11.2 × 10⁻⁶/°C |
| Curie Temperature | ~400°C |
Standards
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GB/T 32286.1-2015: Soft magnetic alloys – Part 1: Nickel-iron alloys
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ASTM A753-08(2013): Standard Specification for Wrought Nickel-Iron Soft Magnetic Alloys
Applications
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Magnetic Shielding: Protects sensitive electronic components from external magnetic fields.
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Transformers: Utilized in small transformers and pulse transformers for efficient energy conversion.
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Relays and Magnetic Amplifiers: Enhances performance in relay systems and magnetic amplifiers.
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Electromagnetic Clutches: Ensures reliable operation in electromagnetic clutch systems.
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Reactor Cores: Serves as core material in reactors for controlled magnetic properties.
Frequently Asked Questions (FAQs)
Q1: What is the primary application of 1J80 soft magnetic alloy pipes?
A1: These pipes are primarily used in applications requiring high magnetic permeability and low coercivity, such as in transformers, magnetic amplifiers, and magnetic shielding.
Q2: What are the key mechanical properties of 1J80 soft magnetic alloy pipes?
A2: The key mechanical properties include a density of 8.6 g/cm³, a Curie temperature of approximately 400°C, and an electrical resistivity of 0.56 μΩ·m.
Q3: Are 1J80 soft magnetic alloy pipes compliant with international standards?
A3: Yes, they comply with standards such as GB/T 32286.1-2015 and ASTM A753-08(2013), ensuring consistent quality and performance.
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