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Alloy steel SAE 6150

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SAE 6150
Chemical composition: C=0.50%, Mn=0.8%, Cr=0.95%, V=0.15%min
Property Value in metric unit Value in US unit
Density 7.872 *10³ kg/m³ 491.4 lb/ft³
Modulus of elasticity 205 GPa 29700 ksi
Thermal expansion (20 ºC) 12.2*10-6 ºCˉ¹ 6.78*10-6 in/(in* ºF)
Specific heat capacity 477 J/(kg*K) 0.114 BTU/(lb*ºF)
Thermal conductivity 46.6 W/(m*K) 323 BTU*in/(hr*ft²*ºF)
Electric resistivity 2.34*10-7 Ohm*m 2.34*10-5 Ohm*cm
Tensile strength (annealed) 667 MPa 96800 psi
Yield strength (annealed) 412 MPa 59800 psi
Elongation (annealed) 23 % 23 %
Hardness (annealed) 92 RB 92 RB
Tensile strength (normalized) 940 MPa 136300 psi
Yield strength (normalized) 616 MPa 89300 psi
Elongation (normalized) 21 % 21 %
Hardness (normalized) 28 (104) RC (RB) 28 (104) RC (RB)

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