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AWS E310H vs. ACI-ASTM CF8M Steel

Both AWS E310H and ACI-ASTM CF8M steel are iron alloys. They have 81% of their average alloy composition in common. There are 25 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 AWS E310H and the bottom bar is ACI-ASTM CF8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
50
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 690
540

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.6
3.8
Embodied Energy, MJ/kg 65
53
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 28
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 3.8
4.3
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.080
Chromium (Cr), % 25 to 28
18 to 21
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 44.2 to 53.7
60.3 to 71
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.75
2.0 to 3.0
Nickel (Ni), % 20 to 22.5
9.0 to 12
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040