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AWS ERTi-12 vs. C69300 Brass

AWS ERTi-12 belongs to the titanium alloys classification, while C69300 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 12
8.5 to 15
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 480
550 to 630
Tensile Strength: Yield (Proof), MPa 340
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 420
240
Maximum Temperature: Mechanical, °C 320
160
Melting Completion (Liquidus), °C 1670
880
Melting Onset (Solidus), °C 1620
860
Specific Heat Capacity, J/kg-K 540
400
Thermal Conductivity, W/m-K 21
38
Thermal Expansion, µm/m-K 8.7
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
26
Density, g/cm3 4.5
8.2
Embodied Carbon, kg CO2/kg material 31
2.7
Embodied Energy, MJ/kg 510
45
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 550
400 to 700
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 30
19 to 21
Strength to Weight: Bending, points 30
18 to 20
Thermal Diffusivity, mm2/s 8.7
12
Thermal Shock Resistance, points 37
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
73 to 77
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0 to 0.1
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Phosphorus (P), % 0
0.040 to 0.15
Silicon (Si), % 0
2.7 to 3.4
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 99.147 to 99.66
0
Zinc (Zn), % 0
18.4 to 24.3
Residuals, % 0
0 to 0.5