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C69700 Brass vs. AWS E312

C69700 brass belongs to the copper alloys classification, while AWS E312 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is AWS E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
25
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 470
740

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Melting Completion (Liquidus), °C 930
1410
Melting Onset (Solidus), °C 880
1360
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Base Metal Price, % relative 26
20
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 44
52
Embodied Water, L/kg 310
200

Common Calculations

Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
27
Strength to Weight: Bending, points 16
24
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
28 to 32
Copper (Cu), % 75 to 80
0 to 0.75
Iron (Fe), % 0 to 0.2
52.3 to 63.5
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0.5 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
8.0 to 10.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0