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ASTM B817 Type I vs. C87800 Brass

ASTM B817 type I belongs to the titanium alloys classification, while C87800 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 ASTM B817 type I and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 4.0 to 13
25
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 770 to 960
590
Tensile Strength: Yield (Proof), MPa 700 to 860
350

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1600
920
Melting Onset (Solidus), °C 1550
820
Specific Heat Capacity, J/kg-K 560
410
Thermal Conductivity, W/m-K 7.1
28
Thermal Expansion, µm/m-K 9.6
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
27
Density, g/cm3 4.4
8.3
Embodied Carbon, kg CO2/kg material 38
2.7
Embodied Energy, MJ/kg 610
44
Embodied Water, L/kg 200
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
540
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 48 to 60
20
Strength to Weight: Bending, points 42 to 49
19
Thermal Diffusivity, mm2/s 2.9
8.3
Thermal Shock Resistance, points 54 to 68
21

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0
80 to 84.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
3.8 to 4.2
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5