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EN 1.7375 Steel vs. ACI-ASTM CE8MN Steel

Both EN 1.7375 steel and ACI-ASTM CE8MN steel are iron alloys. Both are furnished in the normalized and tempered condition. 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 EN 1.7375 steel and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
29
Fatigue Strength, MPa 270
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 620
750
Tensile Strength: Yield (Proof), MPa 400
500

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
21
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.2
Embodied Energy, MJ/kg 23
58
Embodied Water, L/kg 59
180

Common Calculations

PREN (Pitting Resistance) 5.6
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 420
620
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 18
21

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
0
Carbon (C), % 0.1 to 0.15
0 to 0.080
Chromium (Cr), % 2.0 to 2.5
22.5 to 25.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 94.5 to 96.7
56 to 66.4
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
3.0 to 4.5
Nickel (Ni), % 0 to 0.3
8.0 to 11
Nitrogen (N), % 0 to 0.012
0.1 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040