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S31060 Stainless Steel vs. ACI-ASTM CA40 Steel

Both S31060 stainless steel and ACI-ASTM CA40 steel are iron alloys. They have 79% of their average alloy composition in common. There are 32 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 S31060 stainless steel and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
10
Fatigue Strength, MPa 290
460
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 680
910
Tensile Strength: Yield (Proof), MPa 310
860

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1080
750
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
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 3.4
2.0
Embodied Energy, MJ/kg 48
28
Embodied Water, L/kg 170
100

Common Calculations

PREN (Pitting Resistance) 26
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
89
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
33
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 15
33

Alloy Composition

Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0.050 to 0.1
0.2 to 0.4
Cerium (Ce), % 0 to 0.070
0
Chromium (Cr), % 22 to 24
11.5 to 14
Iron (Fe), % 61.4 to 67.8
81.5 to 88.3
Lanthanum (La), % 0 to 0.070
0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 10 to 12.5
0 to 1.0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040