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AWS E318 vs. ACI-ASTM CF10SMnN Steel

Both AWS E318 and ACI-ASTM CF10SMnN steel are iron alloys. They have 90% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E318 and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 620
660

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 4.4
3.1
Embodied Energy, MJ/kg 62
45
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 27
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 17 to 20
16 to 18
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 57.6 to 69.5
59.1 to 65.4
Manganese (Mn), % 0.5 to 2.5
7.0 to 9.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 11 to 14
8.0 to 9.0
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030