MakeItFrom.com
Menu (ESC)

H04 C49300 Brass vs. H04 C68800 Brass

Both H04 C49300 brass and H04 C68800 brass are copper alloys. Both are furnished in the H04 (full hard) temper. They have 83% of their average alloy composition in common. There are 29 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 H04 C49300 brass and the bottom bar is H04 C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 4.5
6.0
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
41
Shear Strength, MPa 290
440
Tensile Strength: Ultimate (UTS), MPa 520
750
Tensile Strength: Yield (Proof), MPa 390
670

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 880
960
Melting Onset (Solidus), °C 840
950
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 88
40
Thermal Expansion, µm/m-K 20
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
18
Electrical Conductivity: Equal Weight (Specific), % IACS 17
20

Otherwise Unclassified Properties

Base Metal Price, % relative 26
26
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 50
48
Embodied Water, L/kg 370
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
43
Resilience: Unit (Modulus of Resilience), kJ/m3 740
2070
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 29
12
Thermal Shock Resistance, points 18
26

Alloy Composition

Aluminum (Al), % 0 to 0.5
3.0 to 3.8
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0.5 to 2.0
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 58 to 62
70.8 to 75.5
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.010
0 to 0.050
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 1.5
0
Phosphorus (P), % 0 to 0.2
0
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 1.0 to 1.8
0
Zinc (Zn), % 30.6 to 40.5
21.3 to 24.1
Residuals, % 0
0 to 0.5