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CC760S Brass vs. ASTM A231 Spring Steel

CC760S brass belongs to the copper alloys classification, while ASTM A231 spring steel belongs to the iron 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 CC760S brass and the bottom bar is ASTM A231 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
540
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 22
14
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Tensile Strength: Ultimate (UTS), MPa 180
1790
Tensile Strength: Yield (Proof), MPa 80
1570

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 1000
1460
Melting Onset (Solidus), °C 940
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 150
52
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 40
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.3
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.0
Embodied Energy, MJ/kg 43
28
Embodied Water, L/kg 320
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
230
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 5.8
64
Strength to Weight: Bending, points 8.2
42
Thermal Diffusivity, mm2/s 45
14
Thermal Shock Resistance, points 6.2
53

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Arsenic (As), % 0.050 to 0.15
0
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 83 to 88
0
Iron (Fe), % 0 to 0.15
96.7 to 97.7
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 0.1
0.7 to 0.9
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.020
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.3
0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 10.7 to 17
0