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ASTM Grade HC Steel vs. CC761S Brass

ASTM grade HC steel belongs to the iron alloys classification, while CC761S brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HC steel and the bottom bar is CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 6.0
8.7
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
42
Tensile Strength: Ultimate (UTS), MPa 430
540
Tensile Strength: Yield (Proof), MPa 200
340

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1410
960
Melting Onset (Solidus), °C 1370
910
Specific Heat Capacity, J/kg-K 490
410
Thermal Conductivity, W/m-K 17
27
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
43

Otherwise Unclassified Properties

Base Metal Price, % relative 14
27
Density, g/cm3 7.6
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
45
Embodied Water, L/kg 170
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
41
Resilience: Unit (Modulus of Resilience), kJ/m3 95
530
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 26
19
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 4.5
8.0
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0 to 0.5
0
Chromium (Cr), % 26 to 30
0
Copper (Cu), % 0
78 to 83
Iron (Fe), % 61.9 to 74
0 to 0.6
Lead (Pb), % 0
0 to 0.8
Manganese (Mn), % 0 to 1.0
0 to 0.2
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
3.0 to 5.0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
8.9 to 19