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Ceramic Properties - Tool Steel
The properties of tool steel are given on this website to serve as a comparison of properties between metal and ceramic materials.
Properties Units Test Value Physical Chemical Formula iron, carbon alloy Density, r g/cm3 ASTM C20 7.83 Color gray Crystal Structure -- Water Absorption % @R.T. ASTM C373 -- Hardness Moh's 6.5 Hardness knoop (kg/mm2) Knoop 100g 605 Mechanical Compressive Strength MPa @ R.T. ASTM C773 1000 - 2000 Tensile Strength MPa @ R.T. ACMA Test #4 1800 Modulus of Elasticity
(Young's Mod.)GPa ASTM C848 207 Flexural Strength (MOR) MPa @ R.T. ASTM F417 276 Poisson's Ratio, u ASTM C818 0.30 Fracture Toughness, KIc MPa x m1/2 Notched Beam Test 50 - 80 Thermal Max. Use Temperature
(* denotes inert atm.)C No load cond. 760 Thermal Shock Resistance DT (C) Quenching 230 Thermal Conductivity W/m-K @ R.T. ASTM C408 25 Coefficient of Linear Thermal Expansion, al mm/m-C (~25C through 1000C) ASTM C372 6.0 Specific Heat, cp cal/g-C @ R.T. ASTM C351 0.12 Electrical Dielectric Constant 1MHz @ R.T. ASTM D150 -- Dielectric Strength kV/mm ASTM D116 -- Electrical Resistivity Wcm @ R.T. ASTM D1829 7.5 x 10-7
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