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SAE 1045 Carbon Steel (Hot rolled) vs SAE 1046 Carbon Steel (Hot rolled)

Property comparison of SAE 1045 Carbon Steel (Hot rolled) and SAE 1046 Carbon Steel (Hot rolled), both carbon steel.

Carbon Steel13 compared properties
PropertySAE 1045 Carbon Steel (Hot rolled)SAE 1046 Carbon Steel (Hot rolled)Difference
Yield strength310 MPa325 MPa+5%
Tensile strength565 MPa585 MPa+4%
Elongation16 %15 %-6%
Elastic modulus200,000 MPa200,000 MPa0%
Shear modulus76,923 MPa76,923 MPa0%
Poisson ratio0.30.30%
Density7,850 kg/m³7,850 kg/m³0%
Brinell hardness163 HB170 HB+4%
Thermal conductivity55.9 W/m·K55.5 W/m·K-1%
Specific heat464 J/kg·K464 J/kg·K0%
Coefficient of thermal expansion0.000012 1/K0.000012 1/K0%
Melting point1,480 °C1,480 °C0%
Reduction in area40 %40 %0%

Difference is SAE 1046 Carbon Steel (Hot rolled) relative to SAE 1045 Carbon Steel (Hot rolled). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.

Identification

SAE 1045 Carbon Steel (Hot rolled)
grade
1045
standard
SAE
heat treatment
Hot rolled
SAE 1046 Carbon Steel (Hot rolled)
grade
1046
standard
SAE
heat treatment
Hot rolled

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