Stainless Steel - Grade 321 (UNS S32100)

Material: Stainless Steel - Grade 321 (UNS S32100)
Composition: Fe/<.08C/17-19Cr/9-12Ni/<2Mn/<1Si/.3-.7Ti/<.045P/<.03S
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.0069 0.0072 m3/kmol 421.064 439.371 in3/kmol
Density 7.85 8.05 Mg/m3 490.06 502.545 lb/ft3
Energy Content 90 109 MJ/kg 9750.48 11808.9 kcal/lb
Bulk Modulus 134 152 GPa 19.435 22.0457 106 psi
Compressive Strength 210 305 MPa 30.4579 44.2365 ksi
Ductility 0.3 0.54 0.3 0.54 NULL
Elastic Limit 210 305 MPa 30.4579 44.2365 ksi
Endurance Limit 235 295 MPa 34.0838 42.7861 ksi
Fracture Toughness 122 237 MPa.m1/2 111.026 215.681 ksi.in1/2
Hardness 1700 2100 MPa 246.564 304.579 ksi
Loss Coefficient 0.00093 0.00129 0.00093 0.00129 NULL
Modulus of Rupture 210 305 MPa 30.4579 44.2365 ksi
Poisson's Ratio 0.265 0.275 0.265 0.275 NULL
Shear Modulus 74 82 GPa 10.7328 11.8931 106 psi
Tensile Strength 510 660 MPa 73.9692 95.7249 ksi
Young's Modulus 189 205 GPa 27.4121 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 1023 1198 K 1381.73 1696.73 °F
Melting Point 1673 1698 K 2551.73 2596.73 °F
Minimum Service Temperature 33 88 K -400.27 -301.27 °F
Specific Heat 490 530 J/kg.K 0.379191 0.410145 BTU/lb.F
Thermal Conductivity 14 17 W/m.K 26.2085 31.8246 BTU.ft/h.ft2.F
Thermal Expansion 16 18 10-6/K 28.8 32.4 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 65 77 10-8 ohm.m 65 77 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 5
UV 5
Wear 4
Weak Acid 5
Weak Alkalis 5

This data is provided subject to AZoM.com's terms and conditions. Data reproduced with permission of Granta Design Limited www.grantadesign.com

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