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ACI-ASTM CE30 Steel vs. SAE-AISI 1018 Steel

Both ACI-ASTM CE30 steel and SAE-AISI 1018 steel are iron alloys. They have 61% 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 CE30 steel and the bottom bar is SAE-AISI 1018 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
17 to 27
Fatigue Strength, MPa 170
180 to 270
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 630
430 to 480
Tensile Strength: Yield (Proof), MPa 310
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 49
18
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
75 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 240
150 to 430
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
15 to 17
Strength to Weight: Bending, points 21
16 to 17
Thermal Diffusivity, mm2/s 3.6
14
Thermal Shock Resistance, points 13
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.3
0.15 to 0.2
Chromium (Cr), % 26 to 30
0
Iron (Fe), % 55.1 to 66
98.8 to 99.25
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
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