1J50 Low Coercivity Soft Magnetic Alloy

The core advantage of the 1J50 low coercivity soft magnetic alloy lies in its extremely low coercivity (Hc). Coercivity is a measure of the magnetic field strength required to reduce the magnetic induction to zero when a magnetic material is magnetized by a reverse magnetic field. Low coercivity means that the material has extremely low hysteresis loss under alternating magnetic fields. The energy consumed in each magnetization cycle (the area enclosed by the hysteresis loop) is proportional to the coercivity. The low coercivity of 1J50 results in extremely low heat generation when operating in high-power power electronic devices, significantly improving the system's energy efficiency. Because the magnetic domain walls require almost no resistance to move, 1J50 can respond quickly to extremely weak current changes. This allows it to provide a near-perfect linear output curve in precision current transformers and current sensors.

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Specification
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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 (%)
Grade	Resistivity (μΩ·m)	Density (g/cm³)	Resistivity (μΩ·m)	Saturated magnetic extension coefficient (×10⁻⁶)	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	-	-	-	-	-	-	-	-

Danyang Haiven Electric Heating Alloy Co., Ltd. is located in Lucheng 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. 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.