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ACI-ASTM CB7Cu-2 Steel vs. R60802 Alloy

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while R60802 alloy belongs to the otherwise unclassified metals. There are 20 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-2 steel and the bottom bar is R60802 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 5.7 to 11
22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
36
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
430
Tensile Strength: Yield (Proof), MPa 760 to 1180
270

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 17
22
Thermal Expansion, µm/m-K 11
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.5
Embodied Water, L/kg 130
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
85
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
380
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 34 to 48
18
Strength to Weight: Bending, points 28 to 35
19
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 32 to 45
53

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 14 to 15.5
0.050 to 0.15
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 73.6 to 79
0.070 to 0.2
Manganese (Mn), % 0 to 0.7
0
Nickel (Ni), % 4.5 to 5.5
0.030 to 0.080
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.2 to 1.7
Zirconium (Zr), % 0
97.8 to 98.7
Residuals, % 0
0 to 0.11