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Alloy steel SAE 4130

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SAE 4130
Chemical composition: C=0.30%, Mn=0.5%, Mo=0.20%, Cr=1.0%
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) 11.2*10-6 ºCˉ¹ 6.20*10-6 in/(in* ºF)
Specific heat capacity 477 J/(kg*K) 0.114 BTU/(lb*ºF)
Thermal conductivity 42.7 W/(m*K) 296 BTU*in/(hr*ft²*ºF)
Electric resistivity 2.23*10-7 Ohm*m 2.23*10-5 Ohm*cm
Tensile strength (annealed) 561 MPa 81300 psi
Yield strength (annealed) 361 MPa 52300 psi
Elongation (annealed) 28 % 28 %
Hardness (annealed) 82 RB 82 RB
Tensile strength (normalized) 669 MPa 97000 psi
Yield strength (normalized) 436 MPa 63300 psi
Elongation (normalized) 25 % 25 %
Hardness (normalized) 93 RB 93 RB

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alloy_steel_sae_4130.txt · Last modified: 2012/06/02 by dmitri_kopeliovich
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