UNS S39274 Stainless Steel
Duplex Stainless Steels
Property Overview
Density8g/cm³
Elastic Modulus210GPa
Tensile Strength900MPa
Yield Strength620MPa
Brinell Hardness270HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.030%
CR
24 to 26%
NI
6.0 to 8.0%
MO
2.5 to 3.5%
MN
0 to 1.0%
SI
0 to 0.8%
N
0.24 to 0.32%
P
0 to 0.030%
S
0 to 0.020%
CU
0.2 to 0.8%
W
1.5 to 2.5%
FE
57 to 65.6%
Mechanical
Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
17 %
Fatigue Strength
380 MPa
Poisson's Ratio
0.27
Reduction in Area
34 %
Shear Modulus
81 GPa
Shear Strength
560 MPa
Tensile Strength: Ultimate (UTS)
900 MPa
Tensile Strength: Yield (Proof)
620 MPa
Hardness
Brinell Hardness
270
Rockwell C Hardness
28
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1480 °C
Melting Onset (Solidus)
1430 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.2 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
25 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.4 % IACS
Calculated
PREN (Pitting Resistance)
43
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m 3
Resilience: Unit (Modulus of Resilience)
940 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
32 points
Strength to Weight: Bending
26 points
Environmental
Base Metal Price
24 % relative
Embodied Carbon
4.3 kg CO 2 /kg material
Embodied Energy
60 MJ/kg
Embodied Energy
60 MJ/kg 26 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 21 gal/lb
Registered Designations & Aliases
S39274UNS S39274 Stainless Steel
Standards
ASTM A182 ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels