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ACI-ASTM CF16Fa Steel vs. SAE-AISI A7 Steel

Both ACI-ASTM CF16Fa steel and SAE-AISI A7 steel are iron alloys. They have 74% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 540
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
37
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.3
13
Embodied Energy, MJ/kg 47
200
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 21
11
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
29 to 77
Strength to Weight: Bending, points 19
25 to 48
Thermal Diffusivity, mm2/s 4.2
10
Thermal Shock Resistance, points 12
27 to 72

Alloy Composition

Carbon (C), % 0 to 0.16
2.0 to 2.9
Chromium (Cr), % 18 to 21
5.0 to 5.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.1 to 72.4
81.4 to 87.7
Manganese (Mn), % 0 to 1.5
0 to 0.8
Molybdenum (Mo), % 0.4 to 0.8
0.9 to 1.4
Nickel (Ni), % 9.0 to 12
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0.2 to 0.4
0 to 0.030
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2