DC53 Chemical composition and Mechanical properties
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Physical Properties
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Metric
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English
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Comments
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Specific Gravity
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7.87g/cc
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7.87g/cc
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Mechanical Properties
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Metric
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English
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Comments
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Hardness, Rockwell C
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62.0 - 63.0
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62.0 - 63.0
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Tensile Strength, Ultimate
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2750 MPa
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398000 psi
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when tempered at 175-300°C
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Modulus of Elasticity
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150 GPa
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21700ksi
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Poissons Ratio
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0.280
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0.280
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Fatigue Strength
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8 MPa
@# of Cycles 1.00e+6 |
121000 psi
@# of Cycles 1.00e+6 |
Heat treatment: 1030°C, 520°C (x2), HRc63
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Shear Modulus
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58.5 GPa
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8480 ksi
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Modulus of Rigidity
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Thermal Properties
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Metric
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English
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Comments
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CTE, linear
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12.2 µm/m-°C
@Temperature -100 °C |
6.78µin/in-°F
@Temperature -148 °F |
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12.3 µm/m-°C
@Temperature 300 °C |
6.83µin/in-°F
@Temperature 572 °F |
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13.2 µm/m-°C
@Temperature 500 °C |
7.33 µin/in-°F
@Temperature 932 °F |
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Thermal Conductivity
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23.8 W/m-K
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165 BTU-in/hr-ft²-°F
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RT
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25.1 W/m-K
@Temperature 100 °C |
174 BTU-in/hr-ft²-°F
@Temperature 212 °F |
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27.2 W/m-K
@Temperature 400 °C |
188 BTU-in/hr-ft²-°F
@Temperature 752 °F |
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