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C87600 Bronze vs. ASTM A387 Grade 21L Class 1

C87600 bronze belongs to the copper alloys classification, while ASTM A387 grade 21L class 1 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 C87600 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
Elongation at Break, % 18
21
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
74
Tensile Strength: Ultimate (UTS), MPa 470
500
Tensile Strength: Yield (Proof), MPa 230
230

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 190
480
Melting Completion (Liquidus), °C 970
1470
Melting Onset (Solidus), °C 860
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 28
41
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.4
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
4.1
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.8
Embodied Energy, MJ/kg 43
23
Embodied Water, L/kg 300
62

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
84
Resilience: Unit (Modulus of Resilience), kJ/m3 240
140
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
2.8 to 3.3
Copper (Cu), % 88 to 92.5
0
Iron (Fe), % 0
94.4 to 96.1
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 3.5 to 5.5
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 4.0 to 7.0
0
Residuals, % 0 to 0.5
0