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C50100 Bronze vs. ASTM A227 Spring Steel

C50100 bronze 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 (4, in this case) are not shown.

For each property being compared, the top bar is C50100 bronze and the bottom bar is ASTM A227 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 40
12
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
72
Shear Strength, MPa 180
1030 to 1330
Tensile Strength: Ultimate (UTS), MPa 270
1720 to 2220
Tensile Strength: Yield (Proof), MPa 82
1430 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1070
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 230
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 55
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 310
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
200 to 260
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.3
61 to 79
Strength to Weight: Bending, points 10
41 to 48
Thermal Diffusivity, mm2/s 66
14
Thermal Shock Resistance, points 9.5
55 to 71

Alloy Composition


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Carbon (C), % 0
0.45 to 0.85
Copper (Cu), % 98.6 to 99.49
0
Iron (Fe), % 0 to 0.050
97.4 to 99.1
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.3 to 1.3
Phosphorus (P), % 0.010 to 0.050
0 to 0.040
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.5 to 0.8
0
Residuals, % 0 to 0.5
0