Key word: Permanent magnet, Irregu Shape magnet, Vibration Motor Magnet, NdFeB Magnet, Loud Speaker Magnet
Material: N40, N42, N52, 50M, 35H, 40H, 42H, 48H, 50H, 38UH etc
Application: Industrial Motor, Acoustic Component, IT, Consumer Electronics etc
Machining Production Capacity | ||
形 状 Shape | 最 小 Min | 最 大 Max |
圆 环 Ring | D0.8×d0.2×0.2mm | D240×d230×5mm |
圆 片 Disc | D0.2×0.5mm | D240×45mm |
方 块 Block | F0.5×0.5×0.5mm | F240×240×45mm |
异 形 Irreguler | 参照方块 Refer To Block | 参照方块 Refer To Block |
Typical composition | ||
主 要 元 素 | Main Elements | 重 量 百 分 比 Percentage by weight |
钕 | Neodymium (Nd) | 29% - 32% |
铁 | Iron (Fe) | 64.2% – 68.5% |
硼 | Boron (B) | 1.0% - 1.2% |
铝 | Aluminium (Al) | 0.2% - 0.4% |
铌 | Niobium (Nb) | 0.5% -1% |
镝 | Dysprosium (Dy) | 0.8% -1.2% |
Typical physical properties | |||
参 数 | Parameter | 单 位 Unit | 指 标 Standard |
居里温度 | Curie | ℃ | 310-380 |
Br可逆温度系数 | αBr | ％/℃ | -0.09--0.13 |
Hcj可逆温度系数 | βHcj | ％/℃ | -0.35--0.80 |
最高工作温度 | Maximum Operating Temperature | ℃ | 80-230 |
密度 | Density | G/cm³ | ≥7.40-7.80 |
维氏硬度 | Vickers Hardness | HV | 550-650 |
拉弯强度 | Bending Strength | Mpa | 250 |
抗拉强度 | Tensile Stength | Mpa | 80 |
抗压强度 | Compressive Strength | Mpa | 1050 |
电阻率 | Specific Resistance | μΩ.cm | 150 |
热传导率 | Thermal Conductivity | W/(m.K) | 6-8 |
膨胀系数 | Thermal Expansion | 106/℃ | 5（平行于取向方向）,-1.5（垂直于取向方向） |
Magnetic Property Distribution Chart |
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The Coating |
| The most popular coatings are Zinc plating, Nickel plating, Epoxy and Passivation, the other coatings are Tin plating, Chromium plating, Gold plating, and Ag plating etc. |
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Directions of Magnetization |
常规充磁产品 Conventional Product |
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辐射环 Radial Oriented Ring |
 |
 | No.222 Chaohu Road. Xinbei district, Changzhou, China. |
 | Eric Wang |
 | +86 519-8518 9192 |
 | +86 519-8518 9199 |
 | eric@xt-magnet.com |
