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ACI-ASTM CA6NM Steel vs. AWS E330

Both ACI-ASTM CA6NM steel and AWS E330 are iron alloys. They have 64% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is AWS E330.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
29
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 850
580

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.5
5.4
Embodied Energy, MJ/kg 34
75
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 15
17
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
20
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 31
16

Alloy Composition

Carbon (C), % 0 to 0.060
0.18 to 0.25
Chromium (Cr), % 11.5 to 14
14 to 17
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 78.4 to 84.6
40.7 to 51.8
Manganese (Mn), % 0 to 1.0
1.0 to 2.5
Molybdenum (Mo), % 0.4 to 1.0
0 to 0.75
Nickel (Ni), % 3.5 to 4.5
33 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030