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UNS S31266 Stainless Steel

Austenitic & General Stainless Steels

OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density8.2g/cm³
Elastic Modulus210GPa
Tensile Strength860MPa
Yield Strength470MPa
Brinell HardnessUnknown
Maximum Service Temperature1100°C
Weight Calculator

Chemical Composition

C
0 to 0.030%
CR
23 to 25%
NI
21 to 24%
MO
5.2 to 6.2%
MN
2.0 to 4.0%
SI
0 to 1.0%
N
0.35 to 0.6%
P
0 to 0.035%
S
0 to 0.020%
CU
1.0 to 2.5%
W
1.5 to 2.5%
FE
34.1 to 46%

Mechanical

Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
40 %
Fatigue Strength
400 MPa
Poisson's Ratio
0.28
Reduction in Area
56 %
Shear Modulus
81 GPa
Shear Strength
590 MPa
Tensile Strength: Ultimate (UTS)
860 MPa
Tensile Strength: Yield (Proof)
470 MPa

Physical

Density
8.2 g/cm 3

Thermal

Latent Heat of Fusion
310 J/g
Maximum Temperature: Corrosion
440 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1470 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
460 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.1 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
18 points

Electrical

Electrical Conductivity: Equal Volume
1.8 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.0 % IACS

Calculated

PREN (Pitting Resistance)
54
Resilience: Ultimate (Unit Rupture Work)
290 MJ/m 3
Resilience: Unit (Modulus of Resilience)
540 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
29 points
Strength to Weight: Bending
24 points

Environmental

Base Metal Price
37 % relative
Embodied Carbon
6.5 kg CO 2 /kg material
Embodied Energy
89 MJ/kg
Embodied Energy
89 MJ/kg 38 x 10 3 BTU/lb
Embodied Water
220 L/kg
Embodied Water
220 L/kg 26 gal/lb
Registered Designations & Aliases
S31266UNS S31266 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 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

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