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ACI-ASTM CE3MN Steel vs. EN 1.7729 Steel

Both ACI-ASTM CE3MN steel and EN 1.7729 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 (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE3MN steel and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 20
17
Fatigue Strength, MPa 380
500
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 770
910
Tensile Strength: Yield (Proof), MPa 590
750

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.3
Embodied Energy, MJ/kg 58
49
Embodied Water, L/kg 180
59

Common Calculations

PREN (Pitting Resistance) 43
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
150
Resilience: Unit (Modulus of Resilience), kJ/m3 840
1500
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
32
Strength to Weight: Bending, points 24
27
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 21
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.030
0.17 to 0.23
Chromium (Cr), % 24 to 26
0.9 to 1.2
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 58.1 to 65.9
94.8 to 97
Manganese (Mn), % 0 to 1.5
0.35 to 0.75
Molybdenum (Mo), % 4.0 to 5.0
0.9 to 1.1
Nickel (Ni), % 6.0 to 8.0
0 to 0.2
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8