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S35045 Stainless Steel vs. ACI-ASTM CA40 Steel

Both S35045 stainless steel and ACI-ASTM CA40 steel are iron alloys. They have 50% of their average alloy composition in common. There are 31 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 S35045 stainless steel and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
10
Fatigue Strength, MPa 170
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 540
910
Tensile Strength: Yield (Proof), MPa 190
860

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 520
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.8
2.0
Embodied Energy, MJ/kg 83
28
Embodied Water, L/kg 230
100

Common Calculations

PREN (Pitting Resistance) 27
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
89
Resilience: Unit (Modulus of Resilience), kJ/m3 94
1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
33
Strength to Weight: Bending, points 19
27
Thermal Diffusivity, mm2/s 3.2
6.7
Thermal Shock Resistance, points 12
33

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0.2 to 0.4
Chromium (Cr), % 25 to 29
11.5 to 14
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 29.4 to 42.6
81.5 to 88.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 32 to 37
0 to 1.0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.15 to 0.6
0