Stainless Steel - Grade 420 (UNS S42000)

Material: Stainless Steel - Grade 420 (UNS S42000)
Composition: Fe/>.15C/12-14Cr/<1Mn/<1Si/<.03P/<.03S
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0071 0.0074 m3/kmol 433.268 451.575 in3/kmol
Density 7.6 7.8 Mg/m3 474.453 486.938 lb/ft3
Energy Content 84 102 MJ/kg 9100.45 11050.5 kcal/lb
Bulk Modulus 144 159 GPa 20.8854 23.061 106 psi
Compressive Strength 1330 1630 MPa 192.9 236.412 ksi
Ductility 0.05 0.11 0.05 0.11 NULL
Elastic Limit 1330 1630 MPa 192.9 236.412 ksi
Endurance Limit 581 669 MPa 84.2669 97.0302 ksi
Fracture Toughness 21 40 MPa.m1/2 19.111 36.4019 ksi.in1/2
Hardness 5400 5900 MPa 783.204 855.723 ksi
Loss Coefficient 0.00023 0.0003 0.00023 0.0003 NULL
Modulus of Rupture 1330 1630 MPa 192.9 236.412 ksi
Poisson's Ratio 0.275 0.285 0.275 0.285 NULL
Shear Modulus 75 81 GPa 10.8778 11.7481 106 psi
Tensile Strength 1550 1890 MPa 224.809 274.121 ksi
Young's Modulus 195 205 GPa 28.2823 29.7327 106 psi
Glass Temperature K °F
Latent Heat of Fusion 260 285 kJ/kg 111.779 122.527 BTU/lb
Maximum Service Temperature 417 467 K 290.93 380.93 °F
Melting Point 1723 1783 K 2641.73 2749.73 °F
Minimum Service Temperature 200 230 K -99.67 -45.67 °F
Specific Heat 450 500 J/kg.K 0.348236 0.386929 BTU/lb.F
Thermal Conductivity 23 27 W/m.K 43.0568 50.5449 BTU.ft/h.ft2.F
Thermal Expansion 9 11 10-6/K 16.2 19.8 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 49 60 10-8 ohm.m 49 60 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 5
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 5
Sea Water 5
Strong Acid 4
Strong Alkalis 3
UV 5
Wear 4
Weak Acid 5
Weak Alkalis 5