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Rubber Mold Steels NAK80 Physical Properties: Coefficient of Thermal Expansion (x 10-6 in/in/F°) 68°F to 212°F 6.3 68°F to 392°F 7.0 68°F to 572°F 7.5 Coefficient of Thermal Conductivity (BTU/ft·hr·F°) At 200°F 23.9 At 400°F 24.4 Magnetic Properties Maximum Magnetic Permeability 380 Saturated Magnetism (Gauss) 16,360 Residual Magnetism (Gauss) 8,500 Coercive Force (Oersted) 14.0 All technical and engineering data and suggested procedures, specifications and applications contained in this publication are for general information only. Daido Steel, International Mold Steel and/or their distributors disclaim any and all express or implied warranties of merchantability, suitability for any particular purpose or use, or freedom from infringement of any patent, trademark or copyright. NAK80® is a registered trademark of International Mold Steel, Inc. and Daido Steel Limited.

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