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S20431 Stainless Steel vs. S33228 Stainless Steel

Both S20431 stainless steel and S33228 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 61% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S20431 stainless steel and the bottom bar is S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
34
Fatigue Strength, MPa 320
170
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 86
82
Shear Modulus, GPa 76
79
Shear Strength, MPa 500
380
Tensile Strength: Ultimate (UTS), MPa 710
570
Tensile Strength: Yield (Proof), MPa 350
210

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1360
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
37
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.5
6.2
Embodied Energy, MJ/kg 36
89
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 20
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
150
Resilience: Unit (Modulus of Resilience), kJ/m3 310
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
19
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.12
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 17 to 18
26 to 28
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 66.1 to 74.4
36.5 to 42.3
Manganese (Mn), % 5.0 to 7.0
0 to 1.0
Nickel (Ni), % 2.0 to 4.0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015