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EN 1.4931 Steel vs. ACI-ASTM CE3MN Steel

Both EN 1.4931 steel and ACI-ASTM CE3MN steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4931 steel and the bottom bar is ACI-ASTM CE3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
20
Fatigue Strength, MPa 410
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 810
770
Tensile Strength: Yield (Proof), MPa 620
590

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.2
Embodied Energy, MJ/kg 42
58
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 16
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 970
840
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
4.1
Thermal Shock Resistance, points 22
21

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.030
Chromium (Cr), % 11.3 to 12.2
24 to 26
Iron (Fe), % 83.2 to 86.8
58.1 to 65.9
Manganese (Mn), % 0.5 to 0.8
0 to 1.5
Molybdenum (Mo), % 1.0 to 1.2
4.0 to 5.0
Nickel (Ni), % 0 to 1.0
6.0 to 8.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0