UNS S39277 Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.9g/cm³
Elastic Modulus200GPa
Tensile Strength930MPa
Yield Strength660MPa
Brinell Hardness250HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.025%
CR
24 to 26%
NI
6.5 to 8.0%
MO
3.0 to 4.0%
MN
0 to 0.8%
SI
0 to 0.8%
N
0.23 to 0.33%
P
0 to 0.025%
S
0 to 0.0020%
CU
1.2 to 2.0%
W
0.8 to 1.2%
FE
56.8 to 64.3%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
28 %
Fatigue Strength
480 MPa
Poisson's Ratio
0.27
Reduction in Area
57 %
Shear Modulus
80 GPa
Shear Strength
600 MPa
Tensile Strength: Ultimate (UTS)
930 MPa
Tensile Strength: Yield (Proof)
660 MPa
Hardness
Brinell Hardness
250
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1410 °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
26 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
43
Resilience: Ultimate (Unit Rupture Work)
240 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1070 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
33 points
Strength to Weight: Bending
27 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
4.2 kg CO 2 /kg material
Embodied Energy
59 MJ/kg
Embodied Energy
59 MJ/kg 25 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 22 gal/lb
Registered Designations & Aliases
S39277UNS S39277 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 A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels