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The Bottom Line: Which Should You Choose? Choose Monel when your environment involves seawater, hydrofluoric acid, or highly reducing conditions. Choose stainless steel when oxid...
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1J46 High Permeability Soft Magnetic Alloy
1J46 High Permeability Soft Magnetic Alloy is a soft magnetic alloy with a medium nickel content, ranging from 45.0% to 46.5%. Nickel is the main element in this alloy. The nickel content of approximately 45% results in a face-centered cubic (FCC) austenitic structure at room temperature, providing the structural basis for high magnetic permeability and higher saturation magnetic induction. Its resistivity is 0.45 μΩ·m, which is a medium value among nickel-iron alloys, helping to suppress eddy currents in alternating magnetic fields; its density is 8.2 g/cm³, a key parameter for calculating the mass of electromagnetic components, consistent with its nickel content; and its saturation magnetostriction coefficient is 25 × 10⁻⁶, ensuring stability during the magnetization process.
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Gradeand Main Chemical Composition(%)
| Grade | C | P | S | Mn | Si | Ni | Cr | Co | Mo | Cu (Max) | Fe |
| 1J46 | ≤0.03 | ≤0.02 | ≤0.02 | 0.6–1.1 | 0.15–0.30 | 45.0–46.5 | — | — | — | ≤0.2 | Bal |
| 1J50 | ≤0.03 | ≤0.02 | ≤0.02 | 0.3–0.6 | 0.15–0.30 | 49.0–50.0 | — | — | — | ≤0.2 | Bal |
| 1J79 | ≤0.03 | ≤0.02 | ≤0.02 | 0.6–1.1 | 0.30–0.50 | 78.5–81.5 | — | — | 3.8–4.1 | ≤0.2 | Bal |
| 1J85 | ≤0.03 | ≤0.02 | ≤0.02 | 0.3–0.6 | 0.15–0.30 | 79.0–81.0 | — | — | 4.8–5.2 | ≤0.2 | Bal |
Mechanical Property
| Grade | Resistivity (μΩ·m) | Density (g/cm³) | Resistivity (μΩ·m) | Saturated magnetic extension coefficient (×10⁻⁶) | Brinell Hardness (HBs) | Tensile strength (MPa) | Yield Strength (MPa) | Elongation (%) | ||||
| Cold-hardened | Annealed | Cold-hardened | Annealed | Cold-hardened | Annealed | Cold-hardened | Annealed | |||||
| 1J46 | 0.45 | 8.2 | 400 | 25 | 170 | 130 | 735 | - | 735 | - | 3 | - |
| 1J50 | 0.45 | 8.2 | 500 | 25 | 170 | 130 | 785 | 450 | 685 | 150 | 3 | 37 |
| 1J79 | 0.55 | 8.6 | 450 | 2 | 210 | 120 | 1030 | 560 | 980 | 150 | 3 | 50 |
| 1J85 | 0.56 | 8.75 | 400 | 0.5 | - | - | - | - | - | - | - | - |
About Us
Danyang Haiwei Electrothermal Alloy Co., Ltd.
Danyang Haiwei Electrothermal Alloy Co., Ltd. is located in Lvcheng Town, Danyang City, Jiangsu Province, China. The company was established in 2010 based on the original company "Danyang Huakang Electric Heating Alloy Co., Ltd." and has been in operation for over 40 years. Since its expansion, the company's total area has reached 30,000 square meters. As a famous China 1J46 High Permeability Soft Magnetic Alloy Manufacturers and 1J46 High Permeability Soft Magnetic Alloy Factory, the company has production lines for a series of products including FeCrAl, Kanthal, CuNi, NiCr, CuMn, Kangtong, Monel, Incoloy, Hastelloy, etc. We have equipped with advanced equipment and processes, capable of providing a complete product range from raw material melting, steel rolling, stretching, heat treatment to finished products and packaging. Standardization work and strict inspections run through every stage of the product. As Haiven people, we have always adhered to the goal of "building a first-class brand and a first-class enterprise". We uphold the spirit of "quality first, reputation foremost", providing customers with the highest quality products and competitive prices. Welcome new and old customers at home and abroad to visit and patronize. Let us achieve long-term win-win cooperation.
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