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Rubber Mold Steels NAK55 Mechanical Properties: Tensile Strength 182,000 psi Yield Strength (.2% offset) 146,500 psi Reduction of Area 39.8% Elongation in 2"(longitudinal) 15.6% Modulus of Elasticity (room temp.) 30.00 x 106psi Charpy V-notch Impact Strength: Longitudinal 7.2 ft./lb. Transverse 5.6 ft./lb. Hardness 40 HRc 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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