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ACI-ASTM CE30 Steel vs. SAE-AISI 1055 Steel

Both ACI-ASTM CE30 steel and SAE-AISI 1055 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 1055 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
11 to 14
Fatigue Strength, MPa 170
260 to 390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 630
730 to 750
Tensile Strength: Yield (Proof), MPa 310
400 to 630

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
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.7
7.8
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
80 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 240
440 to 1070
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 3.6
14
Thermal Shock Resistance, points 13
23 to 24

Alloy Composition

Carbon (C), % 0 to 0.3
0.5 to 0.6
Chromium (Cr), % 26 to 30
0
Iron (Fe), % 55.1 to 66
98.4 to 98.9
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