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AWS E330H vs. ACI-ASTM CE8MN Steel

Both AWS E330H and ACI-ASTM CE8MN steel are iron alloys. They have 73% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E330H and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 690
750

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
21
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.4
4.2
Embodied Energy, MJ/kg 76
58
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 17
40
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
27
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 3.2
4.2
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.080
Chromium (Cr), % 14 to 17
22.5 to 25.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 40.5 to 51.7
56 to 66.4
Manganese (Mn), % 1.0 to 2.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
3.0 to 4.5
Nickel (Ni), % 33 to 37
8.0 to 11
Nitrogen (N), % 0
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