isovac K Electrical steel Data sheet December 2014 The specialist in individual final annealing processes Convincing advantages

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1 Electrical steel isovac K Data sheet December 2014 The specialist in individual final annealing processes isovac is the electrical steel made by voestalpine and stands for highest energy efficiency. With its excellent attribute profile, isovac provides a higher level of quality that will help you remain a step ahead of the competition. Full-finished electrical steel semi-finished electrical steel This non-grain-oriented, semi-finished isovac grade is produced in the most modern continuous production plants and guarantees material homogeneousness and thus stable processing. As a result of its low strength, isovac K is a low-alloyed isovac grade that is characterized by less punching tool abrasion and thus leads to substantial cost savings during further processing. Convincing advantages p Stable processing based on homogeneous material without loss of quality p Consistent quality both inside the coil as well as within a single steel grade p Reduction in total costs through lower punching tool abrasion (up to 30%) voestalpine Steel Division

2 voestalpine supplies isovac K, an electrical steel of the highest quality. We offer you a customer-focused overall package of products, service and logistics in addition to all the advantages of our integrated metallurgical facility and Steel Service Centers. according to conventional international standards DIN EN Material No. Abbreviation DIN EN DIN EN IEC /3 ASTM A 683 M ASTM A 683 AISI IS15391 isovac K M K M D D SP-800 E5 Mechanical properties Tensile test according to DIN EN ISO and hardness according to DIN EN ISO (Typical values); Test direction: Transverse 2 isovac K data sheet 12/ %-Yield strength R p0.2 [MPa] Tensile strength R m [MPa] Elongation A 80 [%] isovac K Hardness HV5 [-] Magnetic properties In full-finished condition according to EN10341 (Typical values) Test direction: Mean value from longitudinal and transverse measurements at (60 Hz), single-sheet test Specific total loss Magnetic polarization Relative permeability 1.0 T P10 60 Hz [W/lb] 1.5 T P A/m J A/m J A/m J T μ r 60 Hz [W/lb] [T] [T] [T] [-] isovac K Physical properties (Typical values) Density [g/cm 3 ] Specific electrical resistance s [μωcm] Thermal conductivity [W/mK] isovac K

3 Characteristics P s /J loss curve and characteristics J/H magnetization curve Test direction: Mean value from longitudinal and transverse measurements at, single-sheet test P S isovac K data sheet 12/ H [A/m] Characteristics μ r /J permeability curve Test direction: Mean value from longitudinal and transverse measurements at, single-sheet test µ r

4 Frequency dependence of magnetic properties Test direction: Mean value longitudinal and transverse at and indicated polarizations, single-sheet test J [mt] H [A/m] P s μ r [-] isovac K data sheet 12/2014

5 Available dimensions Delivery form Width [mm] isovac K Please find further information and downloadable files at Length [mm] Wide strip/slit strip Cut-to-length sheets isovac K data sheet 12/2014 Information and product properties provided in this publication have the sole purpose of giving non-binding technical guidance and by no means replace individual expert advice from our sales and customer service team. Information and product properties provided in this brochure shall not be deemed guaranteed characteristics unless this has been agreed upon individually. Technical changes reserved. Errors and misprints excepted. No part of this publication may be reprinted without explicit written permission by voestalpine Stahl GmbH. voestalpine Steel Division voestalpine-straße Linz, Austria T. +43/50304/ produktmanagement@voestalpine.com