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ACI-ASTM CE30 Steel vs. SAE-AISI 4161 Steel

Both ACI-ASTM CE30 steel and SAE-AISI 4161 steel are iron alloys. They have 63% 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 CE30 steel and the bottom bar is SAE-AISI 4161 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 170
290
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 630
680
Tensile Strength: Yield (Proof), MPa 310
410

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
43
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5
Embodied Energy, MJ/kg 49
20
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
460
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 3.6
12
Thermal Shock Resistance, points 13
22

Alloy Composition

Carbon (C), % 0 to 0.3
0.56 to 0.64
Chromium (Cr), % 26 to 30
0.7 to 0.9
Iron (Fe), % 55.1 to 66
96.7 to 97.6
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Molybdenum (Mo), % 0
0.25 to 0.35
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