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C42200 Brass vs. ASTM A231 Spring Steel

C42200 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 (6, in this case) are not shown.

For each property being compared, the top bar is C42200 brass and the bottom bar is ASTM A231 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.0 to 46
14
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 210 to 350
1080
Tensile Strength: Ultimate (UTS), MPa 300 to 610
1790
Tensile Strength: Yield (Proof), MPa 100 to 570
1570

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 1040
1460
Melting Onset (Solidus), °C 1020
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 130
52
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 32
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.3
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 44
28
Embodied Water, L/kg 320
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 110
230
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 9.5 to 19
64
Strength to Weight: Bending, points 11 to 18
42
Thermal Diffusivity, mm2/s 39
14
Thermal Shock Resistance, points 10 to 21
53

Alloy Composition

Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 86 to 89
0
Iron (Fe), % 0 to 0.050
96.7 to 97.7
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.7 to 0.9
Phosphorus (P), % 0 to 0.35
0 to 0.040
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0.8 to 1.4
0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 8.7 to 13.2
0
Residuals, % 0 to 0.5
0