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SAE-AISI 4150 Steel vs. S33228 Stainless Steel

Both SAE-AISI 4150 steel and S33228 stainless steel are iron alloys. They have 41% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4150 steel and the bottom bar is S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 380
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 20
34
Fatigue Strength, MPa 260 to 780
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 410 to 800
380
Tensile Strength: Ultimate (UTS), MPa 660 to 1310
570
Tensile Strength: Yield (Proof), MPa 380 to 1220
210

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
37
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
6.2
Embodied Energy, MJ/kg 20
89
Embodied Water, L/kg 51
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 3930
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 47
20
Strength to Weight: Bending, points 22 to 34
19
Thermal Shock Resistance, points 19 to 39
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0.48 to 0.53
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0.8 to 1.1
26 to 28
Iron (Fe), % 96.7 to 97.7
36.5 to 42.3
Manganese (Mn), % 0.75 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.015