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ACI-ASTM CE8MN Steel vs. EN 1.7707 Steel

Both ACI-ASTM CE8MN steel and EN 1.7707 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 CE8MN steel and the bottom bar is EN 1.7707 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
11
Fatigue Strength, MPa 370
500
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 750
1010
Tensile Strength: Yield (Proof), MPa 500
800

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
39
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
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.9
Embodied Energy, MJ/kg 58
27
Embodied Water, L/kg 180
58

Common Calculations

PREN (Pitting Resistance) 40
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 620
1690
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
36
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 21
29

Alloy Composition

Carbon (C), % 0 to 0.080
0.26 to 0.34
Chromium (Cr), % 22.5 to 25.5
2.3 to 2.7
Iron (Fe), % 56 to 66.4
94.7 to 96.8
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 3.0 to 4.5
0.15 to 0.25
Nickel (Ni), % 8.0 to 11
0 to 0.6
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035
Vanadium (V), % 0
0.1 to 0.2