JIS S55C Steel, Tempered
Categories: Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Medium Carbon Steel
Material Notes: Very common grade in Asia.
Key Words: Similar to AISI 1050 and 1055 and DIN CK55.
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Physical PropertiesMetricEnglishComments
Density 7.85 g/cc0.284 lb/in³AISI 1055
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 229 - 285229 - 285
Hardness, Rockwell C 20.5 - 29.920.5 - 29.9
Tensile Strength, Ultimate 785 MPa114000 psi
Tensile Strength, Yield 588 MPa85300 psi
Elongation at Break 14 %14 %
Reduction of Area 35 %35 %
Modulus of Elasticity 205 GPa29700 ksiTypical steel
Poissons Ratio 0.290.29Typical steel
Machinability 55 %55 %Based on AISI 1212 steel as 100% machinability
Shear Modulus 80.0 GPa11600 ksiTypical steel
Impact 6.06.0kg(f)/cm²
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000163 ohm-cm
@Temperature 0.000 °C		0.0000163 ohm-cm
@Temperature 32.0 °F		condition of specimen unknown
 
Thermal PropertiesMetricEnglishComments
CTE, linear  11.0 µm/m-°C
@Temperature 20.0 - 100 °C		6.11 µin/in-°F
@Temperature 68.0 - 212 °F
 12.4 µm/m-°C
@Temperature 0.000 - 300 °C		6.89 µin/in-°F
@Temperature 32.0 - 572 °F
 13.9 µm/m-°C
@Temperature 0.000 - 500 °C		7.72 µin/in-°F
@Temperature 32.0 - 932 °F
Specific Heat Capacity 0.486 J/g-°C
@Temperature 50.0 - 100 °C		0.116 BTU/lb-°F
@Temperature 122 - 212 °F		(AISI 1045) annealed
Thermal Conductivity 49.8 W/m-K346 BTU-in/hr-ft²-°FTypical steel
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.52 - 0.58 %0.52 - 0.58 %
Chromium, Cr <= 0.20 %<= 0.20 %
Copper, Cu <= 0.30 %<= 0.30 %
Iron, Fe 97.5 - 98.7 %97.5 - 98.7 %
Manganese, Mn 0.60 - 0.90 %0.60 - 0.90 %
Nickel, Ni <= 0.20 %<= 0.20 %
Phosphorus, P <= 0.030 %<= 0.030 %
Silicon, Si 0.15 - 0.35 %0.15 - 0.35 %
Sulfur, S <= 0.035 %<= 0.035 %

References for this datasheet.

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