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ACI-ASTM CB7Cu-1 Steel vs. EN 1.3961 Alloy

Both ACI-ASTM CB7Cu-1 steel and EN 1.3961 alloy are iron alloys. They have 68% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 11
31
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
450
Tensile Strength: Yield (Proof), MPa 760 to 1180
310

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1500
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.6
4.8
Embodied Energy, MJ/kg 38
66
Embodied Water, L/kg 130
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1500 to 3590
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 34 to 48
15
Strength to Weight: Bending, points 28 to 35
16
Thermal Shock Resistance, points 32 to 45
130

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 15.5 to 17.7
0 to 0.25
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 72.3 to 78.4
60.7 to 65
Manganese (Mn), % 0 to 0.7
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 3.6 to 4.6
35 to 37
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020