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ACI-ASTM CA40 Steel vs. SAE-AISI 5160 Steel

Both ACI-ASTM CA40 steel and SAE-AISI 5160 steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is SAE-AISI 5160 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
200 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10
12 to 18
Fatigue Strength, MPa 460
180 to 650
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910
660 to 1150
Tensile Strength: Yield (Proof), MPa 860
280 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
420
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
43
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 100
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
73 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
200 to 2700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
23 to 41
Strength to Weight: Bending, points 27
22 to 31
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 33
19 to 34

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.56 to 0.61
Chromium (Cr), % 11.5 to 14
0.7 to 0.9
Iron (Fe), % 81.5 to 88.3
97.1 to 97.8
Manganese (Mn), % 0 to 1.0
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.040