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N08320 Stainless Steel vs. S38100 Stainless Steel

Both N08320 stainless steel and S38100 stainless steel are iron alloys. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is N08320 stainless steel and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
45
Fatigue Strength, MPa 190
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 84
84
Shear Modulus, GPa 78
76
Shear Strength, MPa 400
400
Tensile Strength: Ultimate (UTS), MPa 580
580
Tensile Strength: Yield (Proof), MPa 220
230

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1350
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
20
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.9
3.8
Embodied Energy, MJ/kg 69
54
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 22
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
210
Resilience: Unit (Modulus of Resilience), kJ/m3 120
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.3
4.0
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 21 to 23
17 to 19
Iron (Fe), % 40.4 to 50
57.9 to 64
Manganese (Mn), % 0 to 2.5
0 to 2.0
Nickel (Ni), % 25 to 27
17.5 to 18.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030