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S32205 Stainless Steel vs. SAE-AISI 4027 Steel

Both S32205 stainless steel and SAE-AISI 4027 steel are iron alloys. Both are furnished in the annealed condition. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S32205 stainless steel and the bottom bar is SAE-AISI 4027 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
23
Fatigue Strength, MPa 370
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 480
320
Tensile Strength: Ultimate (UTS), MPa 740
500
Tensile Strength: Yield (Proof), MPa 510
260

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1070
400
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 15
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.5
Embodied Energy, MJ/kg 50
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
97
Resilience: Unit (Modulus of Resilience), kJ/m3 630
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.030
0.25 to 0.3
Chromium (Cr), % 22 to 23
0
Iron (Fe), % 63.7 to 70.4
98.1 to 98.7
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 3.0 to 3.5
0.2 to 0.3
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040