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C54400 Bronze vs. ASTM A387 Grade 21L Class 1

C54400 bronze belongs to the copper alloys classification, while ASTM A387 grade 21L class 1 belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C54400 bronze and the bottom bar is ASTM A387 grade 21L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 330 to 720
500

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 170
480
Melting Completion (Liquidus), °C 1000
1470
Melting Onset (Solidus), °C 930
1430
Specific Heat Capacity, J/kg-K 370
470
Thermal Conductivity, W/m-K 86
41
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 19
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
4.1
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.8
Embodied Energy, MJ/kg 48
23
Embodied Water, L/kg 340
62

Common Calculations

Stiffness to Weight: Axial, points 6.8
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 10 to 22
18
Strength to Weight: Bending, points 12 to 20
18
Thermal Diffusivity, mm2/s 26
11
Thermal Shock Resistance, points 12 to 26
14

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
2.8 to 3.3
Copper (Cu), % 85.4 to 91.5
0
Iron (Fe), % 0 to 0.1
94.4 to 96.1
Lead (Pb), % 3.5 to 4.5
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0.010 to 0.5
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 3.5 to 4.5
0
Zinc (Zn), % 1.5 to 4.5
0
Residuals, % 0 to 0.5
0