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CC765S Brass vs. ASTM A231 Spring Steel

CC765S 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 CC765S brass and the bottom bar is ASTM A231 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
540
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 21
14
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 42
73
Tensile Strength: Ultimate (UTS), MPa 540
1790
Tensile Strength: Yield (Proof), MPa 220
1570

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 140
420
Melting Completion (Liquidus), °C 860
1460
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 91
52
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 34
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 51
28
Embodied Water, L/kg 330
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
230
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
64
Strength to Weight: Bending, points 18
42
Thermal Diffusivity, mm2/s 28
14
Thermal Shock Resistance, points 17
53

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 51 to 65
0
Iron (Fe), % 0.5 to 2.0
96.7 to 97.7
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0.3 to 3.0
0.7 to 0.9
Nickel (Ni), % 0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 1.0
0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 19.8 to 47.7
0