Transformer steel - NLMK Group

83. Properties3.1. Dimensional product mixFully-processed cold-rolled grain-oriented electrical steel (CRGO) is supplied in line withGOST 21427.1 (Russia), EN 10107 (EC), NLMK standard and technical specifications agreedwith the customers.Grain-oriented electrical steel is supplied with electric insulation non-organic coating.Nominal thickness, mm 0.23; 0.27; 0.30; 0.35; 0.50Width, mmcoils up to 1 000slit strip 90-500Coil ID, mm 500Coil weight, t up to 5Nominal thickness, mm 0.23; 0.27; 0.30 0.35; 0.50Max. thickness deviation, mm ± 0.020 ± 0.030Max. weld thickness deviation, mm 0.02Transverse thickness deviation, max., mm 0.02Longitudinal thickness deviation (1 500 mm of length),max., mm0.02Burr height, max., mm 0.02Nominal width, mm L≤ 250 250500Max. width deviation, mm +0.8 +1.2 +0.5%Wave factor, %, max. 1.5Wave height, max., mm 3.0Camber (1 500 mm of length), max., mm 0.5Grain-oriented electrical steel meeting other product mix requirements can be producedaccording to special order upon additional agreement.