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ACI-ASTM CF20 Steel vs. SAE-AISI 5130 Steel

Both ACI-ASTM CF20 steel and SAE-AISI 5130 steel are iron alloys. They have 71% 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 CF20 steel and the bottom bar is SAE-AISI 5130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
12 to 22
Fatigue Strength, MPa 240
230 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 530
500 to 640
Tensile Strength: Yield (Proof), MPa 250
330 to 530

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 970
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
45
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.2
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
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
74 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 160
290 to 750
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
18 to 23
Strength to Weight: Bending, points 19
18 to 21
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 11
16 to 20

Alloy Composition

Carbon (C), % 0 to 0.2
0.28 to 0.33
Chromium (Cr), % 18 to 21
0.8 to 1.1
Iron (Fe), % 64.2 to 74
97.2 to 98.1
Manganese (Mn), % 0 to 1.5
0.7 to 0.9
Nickel (Ni), % 8.0 to 11
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