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AWS E209 vs. ACI-ASTM CE8MN Steel

Both AWS E209 and ACI-ASTM CE8MN steel are iron alloys. They have a moderately high 93% 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 AWS E209 and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
29
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 770
750

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 21
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
4.2
Embodied Energy, MJ/kg 63
58
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 33
40
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
27
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 20.5 to 24
22.5 to 25.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 51.5 to 64.3
56 to 66.4
Manganese (Mn), % 4.0 to 7.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
3.0 to 4.5
Nickel (Ni), % 9.5 to 12
8.0 to 11
Nitrogen (N), % 0.1 to 0.3
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.1 to 0.3
0