... 50TW600, 50TW1000, 50TW470D)Ma steelM50W470,M50W6003)Gap sizes EI-280.4, 0.5EI-1507.23EI-571.2EI- ... 1141.9,2.5,3.0,4.0,4.83,EI-1055EI-961.5,1.8, ... 2.0, 2.2,2.54,3.0,4.87 ... , 4.5, 5.0EI-76.21.3,2.1,2.2,3.0,2.41, 1.5, 1. ... 0, 2.3EI-842.2, 5.0EI-85.81.3, 1.8, 1.5, 2.0EI-480.38, ... 8, 1.0, 2.4 EI-133.26.0,6.73,8.38website:http://www.chinasiliconsteel.com/ Transformer ei lamination