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SAE-AISI 1038 Steel vs. ACI-ASTM CF16F Steel

Both SAE-AISI 1038 steel and ACI-ASTM CF16F 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 SAE-AISI 1038 steel and the bottom bar is ACI-ASTM CF16F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 20
50
Fatigue Strength, MPa 220 to 350
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 590 to 640
530
Tensile Strength: Yield (Proof), MPa 320 to 540
280

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
980
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 18
47
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 790
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 23
19
Strength to Weight: Bending, points 20 to 21
19
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 19 to 20
12

Alloy Composition

Carbon (C), % 0.35 to 0.42
0 to 0.16
Chromium (Cr), % 0
18 to 21
Iron (Fe), % 98.6 to 99.05
61.3 to 72.8
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.17
Selenium (Se), % 0
0.2 to 0.35
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0 to 0.050
0 to 0.040