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S40975 Stainless Steel vs. N08810 Stainless Steel

Both S40975 stainless steel and N08810 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 58% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S40975 stainless steel and the bottom bar is N08810 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
33
Fatigue Strength, MPa 210
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 290
340
Tensile Strength: Ultimate (UTS), MPa 460
520
Tensile Strength: Yield (Proof), MPa 310
200

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 450
490
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.0
5.3
Embodied Energy, MJ/kg 28
76
Embodied Water, L/kg 95
200

Common Calculations

PREN (Pitting Resistance) 11
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
140
Resilience: Unit (Modulus of Resilience), kJ/m3 250
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 7.0
3.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.030
0.050 to 0.1
Chromium (Cr), % 10.5 to 11.7
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 84.4 to 89
39.5 to 50.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 0.5 to 1.0
30 to 35
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.75
0.15 to 0.6