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ACI-ASTM CF3 Steel vs. SAE-AISI 4037 Steel

Both ACI-ASTM CF3 steel and SAE-AISI 4037 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 (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF3 steel and the bottom bar is SAE-AISI 4037 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 60
23
Fatigue Strength, MPa 270
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 510
540
Tensile Strength: Yield (Proof), MPa 250
290

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.4
Chromium (Cr), % 17 to 21
0
Iron (Fe), % 62.9 to 75
98 to 98.6
Manganese (Mn), % 0 to 1.5
0.7 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.3
Nickel (Ni), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.040