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S32001 Stainless Steel vs. SAE-AISI 1049 Steel

Both S32001 stainless steel and SAE-AISI 1049 steel are iron alloys. They have 72% 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 S32001 stainless steel and the bottom bar is SAE-AISI 1049 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11 to 17
Fatigue Strength, MPa 370
250 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 450
420 to 450
Tensile Strength: Ultimate (UTS), MPa 690
680 to 750
Tensile Strength: Yield (Proof), MPa 510
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 970
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 37
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
75 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 660
370 to 1090
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24 to 27
Strength to Weight: Bending, points 23
22 to 23
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 19
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.030
0.46 to 0.53
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.6 to 75.5
98.5 to 98.9
Manganese (Mn), % 4.0 to 6.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 1.0 to 3.0
0
Nitrogen (N), % 0.050 to 0.17
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050