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ACI-ASTM CB7Cu-1 Steel vs. AWS E320

Both ACI-ASTM CB7Cu-1 steel and AWS E320 are iron alloys. They have 62% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-1 steel and the bottom bar is AWS E320.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1500
1360
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 13
38
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.6
6.5
Embodied Energy, MJ/kg 38
91
Embodied Water, L/kg 130
220

Common Calculations

PREN (Pitting Resistance) 17
28
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 34 to 48
21
Strength to Weight: Bending, points 28 to 35
20
Thermal Shock Resistance, points 32 to 45
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.070
Chromium (Cr), % 15.5 to 17.7
19 to 21
Copper (Cu), % 2.5 to 3.2
3.0 to 4.0
Iron (Fe), % 72.3 to 78.4
31.8 to 43.5
Manganese (Mn), % 0 to 0.7
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 3.6 to 4.6
32 to 36
Niobium (Nb), % 0 to 0.35
0 to 1.0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030