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ACI-ASTM CF8 Steel vs. SAE-AISI 1008 Steel

Both ACI-ASTM CF8 steel and SAE-AISI 1008 steel are iron alloys. They have 69% 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 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 55
22 to 33
Fatigue Strength, MPa 260
150 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 540
330 to 370
Tensile Strength: Yield (Proof), MPa 260
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
62
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 150
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 160
92 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
12 to 13
Strength to Weight: Bending, points 19
13 to 15
Thermal Diffusivity, mm2/s 4.3
17
Thermal Shock Resistance, points 13
10 to 12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 18 to 21
0
Iron (Fe), % 63.8 to 74
99.31 to 99.7
Manganese (Mn), % 0 to 1.5
0.3 to 0.5
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