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ACI-ASTM CG8M Steel vs. EN 1.5024 Steel

Both ACI-ASTM CG8M steel and EN 1.5024 steel are iron alloys. They have 66% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG8M steel and the bottom bar is EN 1.5024 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 470
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 550
670 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
50
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
1.4
Embodied Energy, MJ/kg 56
19
Embodied Water, L/kg 160
45

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
24 to 69
Strength to Weight: Bending, points 19
22 to 45
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 12
20 to 58

Alloy Composition

Carbon (C), % 0 to 0.080
0.42 to 0.5
Chromium (Cr), % 18 to 21
0
Iron (Fe), % 58.8 to 70
96.7 to 97.6
Manganese (Mn), % 0 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 9.0 to 13
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
1.5 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.025