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C49300 Brass vs. ASTM A231 Spring Steel

C49300 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 C49300 brass and the bottom bar is ASTM A231 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 4.5 to 20
14
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 270 to 290
1080
Tensile Strength: Ultimate (UTS), MPa 430 to 520
1790
Tensile Strength: Yield (Proof), MPa 210 to 410
1570

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
420
Melting Completion (Liquidus), °C 880
1460
Melting Onset (Solidus), °C 840
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 88
52
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 50
28
Embodied Water, L/kg 370
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 71
230
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15 to 18
64
Strength to Weight: Bending, points 16 to 18
42
Thermal Diffusivity, mm2/s 29
14
Thermal Shock Resistance, points 14 to 18
53

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0.5 to 2.0
0
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 58 to 62
0
Iron (Fe), % 0 to 0.1
96.7 to 97.7
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.030
0.7 to 0.9
Nickel (Ni), % 0 to 1.5
0
Phosphorus (P), % 0 to 0.2
0 to 0.040
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.0 to 1.8
0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 30.6 to 40.5
0
Residuals, % 0 to 0.5
0