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C85700 Brass vs. ASTM Grade HD Steel

C85700 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 (3, in this case) are not shown.

For each property being compared, the top bar is C85700 brass and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 17
9.1
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 310
590
Tensile Strength: Yield (Proof), MPa 110
270

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 940
1410
Melting Onset (Solidus), °C 910
1370
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 84
16
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 25
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 330
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
44
Resilience: Unit (Modulus of Resilience), kJ/m3 59
180
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 20
26
Strength to Weight: Axial, points 11
21
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 27
4.3
Thermal Shock Resistance, points 10
19

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 58 to 64
0
Iron (Fe), % 0 to 0.7
58.4 to 70
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 1.0
4.0 to 7.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 32 to 40
0
Residuals, % 0 to 1.3
0