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S32803 Stainless Steel vs. SAE-AISI 4150 Steel

Both S32803 stainless steel and SAE-AISI 4150 steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 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 S32803 stainless steel and the bottom bar is SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200 to 380
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 18
12 to 20
Fatigue Strength, MPa 350
260 to 780
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 420
410 to 800
Tensile Strength: Ultimate (UTS), MPa 680
660 to 1310
Tensile Strength: Yield (Proof), MPa 560
380 to 1220

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
42
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.5
Embodied Energy, MJ/kg 53
20
Embodied Water, L/kg 180
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
82 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 760
380 to 3930
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24 to 47
Strength to Weight: Bending, points 22
22 to 34
Thermal Diffusivity, mm2/s 4.4
11
Thermal Shock Resistance, points 22
19 to 39

Alloy Composition

Carbon (C), % 0 to 0.015
0.48 to 0.53
Chromium (Cr), % 28 to 29
0.8 to 1.1
Iron (Fe), % 62.9 to 67.1
96.7 to 97.7
Manganese (Mn), % 0 to 0.5
0.75 to 1.0
Molybdenum (Mo), % 1.8 to 2.5
0.15 to 0.25
Nickel (Ni), % 3.0 to 4.0
0
Niobium (Nb), % 0.15 to 0.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.55
0.15 to 0.35
Sulfur (S), % 0 to 0.0035
0 to 0.040