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N08031 Stainless Steel vs. S20433 Stainless Steel

Both N08031 stainless steel and S20433 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 57% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is N08031 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
46
Fatigue Strength, MPa 290
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 510
440
Tensile Strength: Ultimate (UTS), MPa 730
630
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
13
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 7.1
2.7
Embodied Energy, MJ/kg 96
39
Embodied Water, L/kg 240
150

Common Calculations

PREN (Pitting Resistance) 52
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
230
Resilience: Unit (Modulus of Resilience), kJ/m3 230
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.080
Chromium (Cr), % 26 to 28
17 to 18
Copper (Cu), % 1.0 to 1.4
1.5 to 3.5
Iron (Fe), % 29 to 36.9
64.1 to 72.4
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
3.5 to 5.5
Nitrogen (N), % 0.15 to 0.25
0.1 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030