国标无磁钢【20Mn23AlV圆钢】20Mn23AlV无磁钢
20 mn23alv without magnetic steel has been widely used in many electrical products: large and medium-sized transformer tank inner magnetic shield, core pulling plate, coil clamp parts, bolts, etc of the leakage magnetic field structure; Lifting electromagnet suction cups, magnetic separation equipment is simplified, and in addition to iron; Special smelting electric furnace lining, furnace cover, electrode plate and the structure of electronic device.
20Mn23AlV无磁钢现已广泛使用于许多电气产品中：大中型变压器油箱内磁屏蔽、铁芯拉板、线圈夹件、螺栓等漏磁场的结构件；起重电磁铁吸盘、磁选设备简体、选箱以及除铁器；特殊冶炼电炉内衬、炉盖、电极夹板及电子搅拌装置结构件。无磁钢20Mn23AlV化学成分（％）见下表：

种类/成分 C Mn Al Cr Ni Ti Si S P
20Mn23AlV 0.14～0.20 21.5～25.0 1.50～2.50 － － － ≤0.50 ≤0.03 ≤0.03

无磁钢20Mn23AlV性能见下表：
型号 抗拉强度(≥Mpa) 屈服强度(≥Mpa) 延伸率(θ5％) 冷弯(180°d=2a) 磁导率(高/奥)
20Mn23AlV 530 255 30 合格 1.05

产品名称：国标无磁钢【20Mn23AlV圆钢】20Mn23AlV无磁钢
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