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AWS ERTi-12 vs. C38000 Brass

AWS ERTi-12 belongs to the titanium alloys classification, while C38000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERTi-12 and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 12
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 480
380
Tensile Strength: Yield (Proof), MPa 340
120

Thermal Properties

Latent Heat of Fusion, J/g 420
170
Maximum Temperature: Mechanical, °C 320
110
Melting Completion (Liquidus), °C 1670
800
Melting Onset (Solidus), °C 1620
760
Specific Heat Capacity, J/kg-K 540
380
Thermal Conductivity, W/m-K 21
110
Thermal Expansion, µm/m-K 8.7
21

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 31
2.7
Embodied Energy, MJ/kg 510
46
Embodied Water, L/kg 110
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
50
Resilience: Unit (Modulus of Resilience), kJ/m3 550
74
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 30
13
Strength to Weight: Bending, points 30
14
Thermal Diffusivity, mm2/s 8.7
37
Thermal Shock Resistance, points 37
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
55 to 60
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 99.147 to 99.66
0
Zinc (Zn), % 0
35.9 to 43.5
Residuals, % 0
0 to 0.5