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AWS E330H vs. ACI-ASTM CA6N Steel

Both AWS E330H and ACI-ASTM CA6N steel are iron alloys. They have 65% 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 E330H and the bottom bar is ACI-ASTM CA6N steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 690
1080

Thermal Properties

Latent Heat of Fusion, J/g 290
280
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
23
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.5
Embodied Energy, MJ/kg 76
35
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 17
12
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
38
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 3.2
6.1
Thermal Shock Resistance, points 19
40

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.060
Chromium (Cr), % 14 to 17
10.5 to 12.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 40.5 to 51.7
77.9 to 83.5
Manganese (Mn), % 1.0 to 2.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 33 to 37
6.0 to 8.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020