MakeItFrom.com
Menu (ESC)

ACI-ASTM CB7Cu-2 Steel vs. C69700 Brass

ACI-ASTM CB7Cu-2 steel belongs to the iron alloys classification, while C69700 brass belongs to the copper alloys. 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 ACI-ASTM CB7Cu-2 steel and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 5.7 to 11
25
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 75
41
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
470
Tensile Strength: Yield (Proof), MPa 760 to 1180
230

Thermal Properties

Latent Heat of Fusion, J/g 280
240
Melting Completion (Liquidus), °C 1430
930
Melting Onset (Solidus), °C 1380
880
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 17
43
Thermal Expansion, µm/m-K 11
19

Otherwise Unclassified Properties

Base Metal Price, % relative 13
26
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 38
44
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
99
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
250
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 34 to 48
16
Strength to Weight: Bending, points 28 to 35
16
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 32 to 45
16

Alloy Composition

Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 3.2
75 to 80
Iron (Fe), % 73.6 to 79
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0 to 0.7
0 to 0.4
Nickel (Ni), % 4.5 to 5.5
0
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
2.5 to 3.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
13.9 to 22
Residuals, % 0
0 to 0.5