KUSHAL METAL & STEEL INDUSTRIES

O (Softening resistance comparing result holding 600 C) Comparision of Characteristics of KDA1ESD Abrasion Resistance KDA1ESD has good abrasion resistance, reducing wear of Dies Test condition Test machine Work material Oil Abrasion speed Abrasion distance Final weight : : : : : : Ohkoshi system abrasion test machine SUJ2(45HRC) Dry 0.94, 1.96 m/s 400m 6.3kgf Ohkoshi system of abrasion test compering result Comparision of Characteristics of KDA1ESD Charpy Impact Test Toughness of the KDA1ESD is equal to that of KDA1S. O   Hardening condition 1030 C (30min) ----> gas cooling 381 400 Charpy impact test compering result (normal temperature  2mm U notch) Characteristics value of KDA1ESD Thermal conductivity and Thermal expansion coefficient of KDA1ESD is equal to that of H13 Thermal Conductivity J/(g • K) -5 O Thermal Expansion coefficient (X 10 / C) Young’s modulus - Poisson’s ratio temperature KDA1ESD H13 26 100 200 400 600 23.7 27.5 27.6 27.8 25.1 24.4 26.3 27.8 27.6 26.5 temperature KDA1ESD H13 100 200 400 600 11 11.7 12.4 13.1 - - 12.5 13.6 temperature MODULUS RATIO 23 500 225GPa 164GPa 0.28 0.33