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C84000 Brass vs. ASTM A227 Spring Steel

C84000 brass belongs to the copper alloys classification, while ASTM A227 spring 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 C84000 brass and the bottom bar is ASTM A227 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
500 to 640
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 27
12
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
72
Tensile Strength: Ultimate (UTS), MPa 250
1720 to 2220
Tensile Strength: Yield (Proof), MPa 140
1430 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 1040
1450
Melting Onset (Solidus), °C 940
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 72
52
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
1.8
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 49
19
Embodied Water, L/kg 330
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
200 to 260
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 8.2
61 to 79
Strength to Weight: Bending, points 10
41 to 48
Thermal Diffusivity, mm2/s 22
14
Thermal Shock Resistance, points 9.0
55 to 71

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Carbon (C), % 0
0.45 to 0.85
Copper (Cu), % 82 to 89
0
Iron (Fe), % 0 to 0.4
97.4 to 99.1
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
0.3 to 1.3
Nickel (Ni), % 0.5 to 2.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.0050
0.15 to 0.35
Sulfur (S), % 0.1 to 0.65
0 to 0.050
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 5.0 to 14
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0