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ACI-ASTM CN3M Steel vs. EN 1.7034 Steel

Both ACI-ASTM CN3M steel and EN 1.7034 steel are iron alloys. They have 49% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3M steel and the bottom bar is EN 1.7034 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 500
510 to 1780

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
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 13
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.2
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.9
1.4
Embodied Energy, MJ/kg 80
19
Embodied Water, L/kg 200
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
18 to 63
Strength to Weight: Bending, points 17
18 to 42
Thermal Diffusivity, mm2/s 3.4
12
Thermal Shock Resistance, points 11
15 to 52

Alloy Composition

Carbon (C), % 0 to 0.030
0.34 to 0.41
Chromium (Cr), % 20 to 22
0.9 to 1.2
Iron (Fe), % 42.4 to 52.5
97 to 98.2
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035