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SAE-AISI 9254 Steel vs. ACI-ASTM CE3MN Steel

Both SAE-AISI 9254 steel and ACI-ASTM CE3MN steel are iron alloys. They have 64% of their average alloy composition in common. There are 29 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 SAE-AISI 9254 steel and the bottom bar is ACI-ASTM CE3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
20
Fatigue Strength, MPa 280
380
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 660
770
Tensile Strength: Yield (Proof), MPa 410
590

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
21
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.2
Embodied Energy, MJ/kg 20
58
Embodied Water, L/kg 49
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 450
840
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
27
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 20
21

Alloy Composition

Carbon (C), % 0.51 to 0.59
0 to 0.030
Chromium (Cr), % 0.6 to 0.8
24 to 26
Iron (Fe), % 96.1 to 97.1
58.1 to 65.9
Manganese (Mn), % 0.6 to 0.8
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.2 to 1.6
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.040