MakeItFrom.com
Menu (ESC)

ACI-ASTM CA40F Steel vs. SAE-AISI 5145 Steel

Both ACI-ASTM CA40F steel and SAE-AISI 5145 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 CA40F steel and the bottom bar is SAE-AISI 5145 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
20
Fatigue Strength, MPa 320
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 770
560
Tensile Strength: Yield (Proof), MPa 550
370

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
47
Thermal Expansion, µm/m-K 10
12

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
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
100
Resilience: Unit (Modulus of Resilience), kJ/m3 790
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 7.2
13
Thermal Shock Resistance, points 28
17

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.43 to 0.48
Chromium (Cr), % 11.5 to 14
0.7 to 0.9
Iron (Fe), % 81.6 to 88.3
97.3 to 98
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
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), % 0.2 to 0.4
0 to 0.040