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SAE-AISI 1045 Steel vs. S32053 Stainless Steel

Both SAE-AISI 1045 steel and S32053 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 32 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 SAE-AISI 1045 steel and the bottom bar is S32053 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
190
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 13 to 18
46
Fatigue Strength, MPa 220 to 370
310
Poisson's Ratio 0.29
0.28
Reduction in Area, % 40 to 51
56
Shear Modulus, GPa 72
80
Shear Strength, MPa 380 to 410
510
Tensile Strength: Ultimate (UTS), MPa 620 to 680
730
Tensile Strength: Yield (Proof), MPa 330 to 580
330

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.1
Embodied Energy, MJ/kg 18
83
Embodied Water, L/kg 46
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 93
270
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 900
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 24
25
Strength to Weight: Bending, points 21 to 22
22
Thermal Diffusivity, mm2/s 14
3.3
Thermal Shock Resistance, points 20 to 22
16

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.030
Chromium (Cr), % 0
22 to 24
Iron (Fe), % 98.5 to 99
41.7 to 48.8
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.0
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0
0.17 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.010