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ACI-ASTM CF16Fa Steel vs. SAE-AISI 1045 Steel

Both ACI-ASTM CF16Fa steel and SAE-AISI 1045 steel are iron alloys. They have 68% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF16Fa steel and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
13 to 18
Fatigue Strength, MPa 170
220 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 540
620 to 680
Tensile Strength: Yield (Proof), MPa 230
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 47
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 140
300 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
22 to 24
Strength to Weight: Bending, points 19
21 to 22
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 12
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.16
0.43 to 0.5
Chromium (Cr), % 18 to 21
0
Iron (Fe), % 62.1 to 72.4
98.5 to 99
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0.4 to 0.8
0
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0.2 to 0.4
0 to 0.050