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ASTM B817 Type I vs. C38000 Brass

ASTM B817 type I 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 (5, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type I and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 4.0 to 13
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 770 to 960
380
Tensile Strength: Yield (Proof), MPa 700 to 860
120

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Maximum Temperature: Mechanical, °C 340
110
Melting Completion (Liquidus), °C 1600
800
Melting Onset (Solidus), °C 1550
760
Specific Heat Capacity, J/kg-K 560
380
Thermal Conductivity, W/m-K 7.1
110
Thermal Expansion, µm/m-K 9.6
21

Otherwise Unclassified Properties

Base Metal Price, % relative 36
22
Density, g/cm3 4.4
8.0
Embodied Carbon, kg CO2/kg material 38
2.7
Embodied Energy, MJ/kg 610
46
Embodied Water, L/kg 200
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
50
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
74
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 48 to 60
13
Strength to Weight: Bending, points 42 to 49
14
Thermal Diffusivity, mm2/s 2.9
37
Thermal Shock Resistance, points 54 to 68
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.5
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0
55 to 60
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Silicon (Si), % 0 to 0.1
0
Sodium (Na), % 0 to 0.2
0
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
35.9 to 43.5
Residuals, % 0
0 to 0.5