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AWS E330H vs. ACI-ASTM CB30 Steel

Both AWS E330H and ACI-ASTM CB30 steel are iron alloys. They have 64% of their average alloy composition in common. There are 24 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 CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 690
500

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
10
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.3
Embodied Energy, MJ/kg 76
33
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 17
20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.2
5.6
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.3
Chromium (Cr), % 14 to 17
18 to 21
Copper (Cu), % 0 to 0.75
0 to 1.2
Iron (Fe), % 40.5 to 51.7
72.9 to 82
Manganese (Mn), % 1.0 to 2.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 33 to 37
0 to 2.0
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