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Alloy steel SAE 8620

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SAE 8620
Chemical composition: C=0.20%, Mn=0.75%, Mo=0.2%, Cr=0.5%, Ni=0.55%
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) 536 MPa 77800 psi
Yield strength (annealed) 357 MPa 55900 psi
Elongation (annealed) 31 % 31 %
Hardness (annealed) 80 RB 80 RB
Tensile strength (normalized) 633 MPa 91800 psi
Yield strength (normalized) 385 MPa 81800 psi
Elongation (normalized) 26 % 26 %
Hardness (normalized) 90 RB 90 RB

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alloy_steel_sae_8620.txt · Last modified: 2012/06/02 by dmitri_kopeliovich
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