UNS N08801 (Alloy 801) Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density8g/cm³
Elastic Modulus200GPa
Tensile Strength860MPa
Yield Strength190MPa
Brinell HardnessUnknown
Maximum Service Temperature1090°C
Chemical Composition
C
0 to 0.1%
CR
19 to 22%
NI
30 to 34%
MN
0 to 1.5%
SI
0 to 1.0%
S
0 to 0.015%
CU
0 to 0.5%
TI
0.75 to 1.5%
FE
39.5 to 50.3%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
260 MPa
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Shear Strength
570 MPa
Tensile Strength: Ultimate (UTS)
860 MPa
Tensile Strength: Yield (Proof)
190 MPa
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
630 °C
Maximum Temperature: Mechanical
1090 °C
Melting Completion (Liquidus)
1390 °C
Melting Onset (Solidus)
1360 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.3 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
20 points
Electrical
Electrical Conductivity: Equal Volume
1.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.9 % IACS
Calculated
PREN (Pitting Resistance)
21
Resilience: Ultimate (Unit Rupture Work)
220 MJ/m 3
Resilience: Unit (Modulus of Resilience)
92 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
30 points
Strength to Weight: Bending
25 points
Environmental
Base Metal Price
30 % relative
Embodied Carbon
5.5 kg CO 2 /kg material
Embodied Energy
79 MJ/kg
Embodied Energy
79 MJ/kg 34 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 23 gal/lb
Registered Designations & Aliases
Alloy 801N08801UNS N08801 (Alloy 801) Stainless Steel
Standards
ASTM B407 ASTM B407: Standard Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube