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ACI-ASTM CE3MN Steel vs. AWS E33-31

Both ACI-ASTM CE3MN steel and AWS E33-31 are iron alloys. They have 65% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE3MN steel and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 20
29
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 770
810

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 21
36
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.2
6.0
Embodied Energy, MJ/kg 58
86
Embodied Water, L/kg 180
260

Common Calculations

PREN (Pitting Resistance) 43
44
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
28
Strength to Weight: Bending, points 24
24
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
31 to 35
Copper (Cu), % 0
0.4 to 0.8
Iron (Fe), % 58.1 to 65.9
24.7 to 34.8
Manganese (Mn), % 0 to 1.5
2.5 to 4.0
Molybdenum (Mo), % 4.0 to 5.0
1.0 to 2.0
Nickel (Ni), % 6.0 to 8.0
30 to 32
Nitrogen (N), % 0.1 to 0.3
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.9
Sulfur (S), % 0 to 0.040
0 to 0.010