UNS S31727 Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density8g/cm³
Elastic Modulus200GPa
Tensile Strength630MPa
Yield Strength270MPa
Brinell Hardness190HB
Maximum Service Temperature1010°C
Chemical Composition
C
0 to 0.030%
CR
17.5 to 19%
NI
14.5 to 16.5%
MO
3.8 to 4.5%
MN
0 to 1.0%
SI
0 to 1.0%
N
0.15 to 0.21%
P
0 to 0.030%
S
0 to 0.030%
CU
2.8 to 4.0%
FE
53.7 to 61.3%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
40 %
Fatigue Strength
240 MPa
Poisson's Ratio
0.28
Reduction in Area
56 %
Shear Modulus
78 GPa
Shear Strength
430 MPa
Tensile Strength: Ultimate (UTS)
630 MPa
Tensile Strength: Yield (Proof)
270 MPa
Hardness
Brinell Hardness
190
Rockwell B Hardness
83
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
1010 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
470 J/kg-K
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
14 points
Calculated
PREN (Pitting Resistance)
35
Resilience: Ultimate (Unit Rupture Work)
200 MJ/m 3
Resilience: Unit (Modulus of Resilience)
190 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
24 % relative
Embodied Carbon
4.7 kg CO 2 /kg material
Embodied Energy
64 MJ/kg
Embodied Energy
64 MJ/kg 27 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 21 gal/lb
Registered Designations & Aliases
S31727UNS S31727 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 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: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications