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ACI-ASTM CF8 Steel vs. SAE-AISI 1552 Steel

Both ACI-ASTM CF8 steel and SAE-AISI 1552 steel are iron alloys. They have 70% 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 CF8 steel and the bottom bar is SAE-AISI 1552 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 55
11 to 14
Fatigue Strength, MPa 260
290 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 540
760 to 840
Tensile Strength: Yield (Proof), MPa 260
460 to 650

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 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
81 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 160
560 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
27 to 30
Strength to Weight: Bending, points 19
24 to 25
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 13
26 to 29

Alloy Composition

Carbon (C), % 0 to 0.080
0.47 to 0.55
Chromium (Cr), % 18 to 21
0
Iron (Fe), % 63.8 to 74
97.9 to 98.3
Manganese (Mn), % 0 to 1.5
1.2 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0 to 0.050