1J22 Soft Magnetic Alloy Strip : Ultra‑High Saturation and Precision Performance
Product Description
1J22 Soft Magnetic Alloy Strip represents the pinnacle of high‑saturation iron‑cobalt‑vanadium alloys, engineered to deliver exceptional magnetic performance . Boasting a saturation flux density of up to 2.4 Tesla and a Curie temperature of 980 °C, this strip ensures stable operation under extreme conditions —from Southeast Asia’s tropical humidity and the Middle East’s desert heat to Europe’s precision instrumentation environments and the Americas’ power grids . Its elevated magnetostriction coefficient (60 – 100 ×10⁻⁶) enables high‑output magnetostrictive transducers , while low electrical resistivity (0.40 μΩ·m) minimizes eddy‑current losses in sensitive cores . The balanced composition of 49 – 51 % cobalt and 0.80 – 1.80 % vanadium, with trace carbon, manganese, silicon, phosphorus, sulfur, copper, and nickel, provides tensile strength of 490 MPa in the annealed state and 1,325 MPa when unannealed, facilitating precision stamping and intricate geometries . Fully compliant with GB/T15002‑1994, 1J22 Soft Magnetic Alloy Strip empowers engineers in telecom, automotive, aerospace, and energy sectors to reduce component size and enhance efficiency .
Technical Specifications
Chemical Composition
Mechanical Performance
Physical Parameters
Execution Standards
Applications
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Magnetostrictive Transducers: High‑output energy devices in aerospace and industrial controls
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Microelectronic Rotors & Electromagnet Pole Heads: Precision components for aviation systems
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Relay Armatures & Solenoid Cores: Automotive and telecommunications relays
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Magnetic Shielding & RF Enclosures: Medical and data‑center instrumentation
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Transformer & Inductor Cores: Laminated cores for power and signal conversion
Frequently Asked Questions (FAQ)
Q1: What is the chemical composition of 1J22 Soft Magnetic Alloy Strip?
A: It comprises 49.0–51.0 % cobalt and 0.80–1.80 % vanadium, with carbon ≤ 0.04 %, manganese ≤ 0.30 %, silicon ≤ 0.30 %, phosphorus ≤ 0.02 %, sulfur ≤ 0.02 %, copper ≤ 0.20 %, nickel ≤ 0.50 %, and the balance iron.
Q2: What mechanical properties does the 1J22 Strip exhibit?
A: In the unannealed state, it offers tensile strength of 1,325 MPa and hardness of HRC 35; when annealed, tensile strength is 490 MPa with hardness HRB 90.
Q3: What physical parameters define the 1J22 Strip?
A: It features a density of 8.20 g/cm³, electrical resistivity of 0.40 μΩ·m, Curie temperature of 980 °C, and magnetostriction coefficient of 60–100 ×10⁻⁶.
Q4: Which standards govern the production of the 1J22 Soft Magnetic Alloy Strip?
A: It is produced to GB/T15002‑1994, the Chinese standard for high‑saturation soft magnetic alloy strips.
Q5: What are the primary applications of the 1J22 Soft Magnetic Alloy Strip?
A: Typical uses include magnetostrictive transducers, microelectronic rotors, relay armatures, magnetic shielding, and transformer/inductor cores across aerospace, automotive, telecommunications, medical, and data‑center sectors.
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