For test and evaluate magnetic characteristic of electric steels correctly, methods specified in national standard should be adopted to determine the density of electric steels.
It's a copper or aluminium or POM being produced through special workmanship, on which the high quality rollers are arranged orderly in certain Angle and density.
3
快速冷却可降低钢的磁通密度。
Fast cooling in heat treatment can decrease magnetic flux density.
点击反馈