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ACI-ASTM CE3MN Steel vs. SAE-AISI A6 Steel

Both ACI-ASTM CE3MN steel and SAE-AISI A6 steel are iron alloys. They have 65% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE3MN steel and the bottom bar is SAE-AISI A6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 770
750 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.8
Embodied Energy, MJ/kg 58
24
Embodied Water, L/kg 180
57

Common Calculations

PREN (Pitting Resistance) 43
4.8
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
27 to 71
Strength to Weight: Bending, points 24
23 to 45
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 21
25 to 65

Alloy Composition

Carbon (C), % 0 to 0.030
0.65 to 0.75
Chromium (Cr), % 24 to 26
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 58.1 to 65.9
93 to 95.8
Manganese (Mn), % 0 to 1.5
1.8 to 2.5
Molybdenum (Mo), % 4.0 to 5.0
0.9 to 1.4
Nickel (Ni), % 6.0 to 8.0
0 to 0.3
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.030