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N08332 Stainless Steel vs. S20433 Stainless Steel

Both N08332 stainless steel and S20433 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 67% of their average alloy composition in common.

For each property being compared, the top bar is N08332 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
46
Fatigue Strength, MPa 170
250
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 77
82
Shear Modulus, GPa 76
76
Shear Strength, MPa 350
440
Tensile Strength: Ultimate (UTS), MPa 520
630
Tensile Strength: Yield (Proof), MPa 210
270

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1050
900
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1340
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 32
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.7
Embodied Energy, MJ/kg 77
39
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
230
Resilience: Unit (Modulus of Resilience), kJ/m3 110
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.080
Chromium (Cr), % 17 to 20
17 to 18
Copper (Cu), % 0 to 1.0
1.5 to 3.5
Iron (Fe), % 38.3 to 48.2
64.1 to 72.4
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Nickel (Ni), % 34 to 37
3.5 to 5.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.75 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0 to 0.025
0