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S31277 Stainless Steel vs. S33228 Stainless Steel

Both S31277 stainless steel and S33228 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
34
Fatigue Strength, MPa 380
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
79
Shear Strength, MPa 600
380
Tensile Strength: Ultimate (UTS), MPa 860
570
Tensile Strength: Yield (Proof), MPa 410
210

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 430
560
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
37
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 6.7
6.2
Embodied Energy, MJ/kg 90
89
Embodied Water, L/kg 220
220

Common Calculations

PREN (Pitting Resistance) 51
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
150
Resilience: Unit (Modulus of Resilience), kJ/m3 410
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 25
19
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.020
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 20.5 to 23
26 to 28
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
36.5 to 42.3
Manganese (Mn), % 0 to 3.0
0 to 1.0
Molybdenum (Mo), % 6.5 to 8.0
0
Nickel (Ni), % 26 to 28
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.015