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ACI-ASTM CG8M Steel vs. EN 1.0034 Steel

Both ACI-ASTM CG8M steel and EN 1.0034 steel are iron alloys. They have 65% 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 CG8M steel and the bottom bar is EN 1.0034 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
97 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
9.0 to 32
Fatigue Strength, MPa 280
140 to 170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 550
340 to 380
Tensile Strength: Yield (Proof), MPa 300
180 to 280

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.1
1.4
Embodied Energy, MJ/kg 56
18
Embodied Water, L/kg 160
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
31 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 220
84 to 210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
12 to 13
Strength to Weight: Bending, points 19
14 to 15
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 12
11 to 12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 18 to 21
0
Iron (Fe), % 58.8 to 70
98.7 to 100
Manganese (Mn), % 0 to 1.5
0 to 0.7
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 9.0 to 13
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.045