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C64800 Bronze vs. ASTM A372 Grade K Steel

C64800 bronze belongs to the copper alloys classification, while ASTM A372 grade K steel belongs to the iron alloys. There are 29 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 C64800 bronze and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0
23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
73
Shear Strength, MPa 380
490
Tensile Strength: Ultimate (UTS), MPa 640
780
Tensile Strength: Yield (Proof), MPa 630
620

Thermal Properties

Latent Heat of Fusion, J/g 220
250
Maximum Temperature: Mechanical, °C 200
440
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1030
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 260
48
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 65
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 66
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
4.4
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.8
Embodied Energy, MJ/kg 43
24
Embodied Water, L/kg 310
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1680
1010
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 20
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 75
13
Thermal Shock Resistance, points 23
23

Alloy Composition

Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0 to 0.090
1.0 to 1.8
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
0
Iron (Fe), % 0 to 1.0
93.4 to 96.6
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.1 to 0.4
Molybdenum (Mo), % 0
0.2 to 0.6
Nickel (Ni), % 0 to 0.5
2.0 to 3.3
Phosphorus (P), % 0 to 0.5
0 to 0.015
Silicon (Si), % 0.2 to 1.0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0