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ASTM B817 Type I vs. C37100 Brass

ASTM B817 type I belongs to the titanium alloys classification, while C37100 brass belongs to the copper alloys. There are 28 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 ASTM B817 type I and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 4.0 to 13
8.0 to 40
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 770 to 960
370 to 520
Tensile Strength: Yield (Proof), MPa 700 to 860
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Maximum Temperature: Mechanical, °C 340
120
Melting Completion (Liquidus), °C 1600
900
Melting Onset (Solidus), °C 1550
890
Specific Heat Capacity, J/kg-K 560
380
Thermal Conductivity, W/m-K 7.1
120
Thermal Expansion, µm/m-K 9.6
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
30

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 4.4
8.0
Embodied Carbon, kg CO2/kg material 38
2.7
Embodied Energy, MJ/kg 610
45
Embodied Water, L/kg 200
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
110 to 750
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 48 to 60
13 to 18
Strength to Weight: Bending, points 42 to 49
14 to 18
Thermal Diffusivity, mm2/s 2.9
39
Thermal Shock Resistance, points 54 to 68
12 to 17

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0
58 to 62
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 0
0.6 to 1.2
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
Titanium (Ti), % 87 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
36.3 to 41.4
Residuals, % 0
0 to 0.4