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S32205 Stainless Steel vs. ACI-ASTM CA15 Steel

Both S32205 stainless steel and ACI-ASTM CA15 steel are iron alloys. They have 82% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S32205 stainless steel and the bottom bar is ACI-ASTM CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
21
Fatigue Strength, MPa 370
370
Poisson's Ratio 0.27
0.28
Reduction in Area, % 51
34
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 740
700
Tensile Strength: Yield (Proof), MPa 510
570

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1070
750
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 18
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.7
2.0
Embodied Energy, MJ/kg 50
28
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 36
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 630
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 20
26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 22 to 23
11.5 to 14
Iron (Fe), % 63.7 to 70.4
81.8 to 88.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
0 to 0.5
Nickel (Ni), % 4.5 to 6.5
0 to 1.0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040