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ASTM B817 Type II vs. C69300 Brass

ASTM B817 type II belongs to the titanium alloys classification, while C69300 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type II and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 3.0 to 13
8.5 to 15
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 900 to 960
550 to 630
Tensile Strength: Yield (Proof), MPa 780 to 900
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 350
160
Melting Completion (Liquidus), °C 1580
880
Melting Onset (Solidus), °C 1530
860
Specific Heat Capacity, J/kg-K 550
400
Thermal Expansion, µm/m-K 9.9
19

Otherwise Unclassified Properties

Base Metal Price, % relative 37
26
Density, g/cm3 4.6
8.2
Embodied Carbon, kg CO2/kg material 40
2.7
Embodied Energy, MJ/kg 650
45
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 120
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 2890 to 3890
400 to 700
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 34
19
Strength to Weight: Axial, points 55 to 58
19 to 21
Strength to Weight: Bending, points 45 to 47
18 to 20
Thermal Shock Resistance, points 62 to 66
19 to 22

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.1
0
Chlorine (Cl), % 0 to 0.2
0
Copper (Cu), % 0.35 to 1.0
73 to 77
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0 to 0.1
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0.040 to 0.15
Silicon (Si), % 0 to 0.1
2.7 to 3.4
Sodium (Na), % 0 to 0.2
0
Tin (Sn), % 1.5 to 2.5
0 to 0.2
Titanium (Ti), % 82.1 to 87.8
0
Vanadium (V), % 5.0 to 6.0
0
Zinc (Zn), % 0
18.4 to 24.3
Residuals, % 0
0 to 0.5