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C66700 Brass vs. ASTM Grade HD Steel

C66700 brass belongs to the copper alloys classification, while ASTM grade HD 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 C66700 brass and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 2.0 to 58
9.1
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 41
80
Tensile Strength: Ultimate (UTS), MPa 340 to 690
590
Tensile Strength: Yield (Proof), MPa 100 to 640
270

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Maximum Temperature: Mechanical, °C 140
1100
Melting Completion (Liquidus), °C 1090
1410
Melting Onset (Solidus), °C 1050
1370
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 97
16
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 150
44
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1900
180
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 11 to 23
21
Strength to Weight: Bending, points 13 to 21
20
Thermal Diffusivity, mm2/s 30
4.3
Thermal Shock Resistance, points 11 to 23
19

Alloy Composition

Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 68.5 to 71.5
0
Iron (Fe), % 0 to 0.1
58.4 to 70
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0.8 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
4.0 to 7.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 26.3 to 30.7
0
Residuals, % 0 to 0.5
0