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C68800 Brass vs. ASTM Grade HC Steel

C68800 brass belongs to the copper alloys classification, while ASTM grade HC steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 2.0 to 36
6.0
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 570 to 890
430
Tensile Strength: Yield (Proof), MPa 390 to 790
200

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 960
1410
Melting Onset (Solidus), °C 950
1370
Specific Heat Capacity, J/kg-K 400
490
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 19
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 20
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 26
14
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 48
40
Embodied Water, L/kg 350
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
21
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
95
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 19 to 30
16
Strength to Weight: Bending, points 19 to 25
16
Thermal Diffusivity, mm2/s 12
4.5
Thermal Shock Resistance, points 19 to 30
14

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
0
Iron (Fe), % 0 to 0.2
61.9 to 74
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0