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C87700 Bronze vs. AISI 384 Stainless Steel

C87700 bronze belongs to the copper alloys classification, while AISI 384 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C87700 bronze and the bottom bar is AISI 384 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
76
Tensile Strength: Ultimate (UTS), MPa 300
480

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 180
910
Melting Completion (Liquidus), °C 980
1420
Melting Onset (Solidus), °C 900
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 48
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
20
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 310
150

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 9.8
17
Strength to Weight: Bending, points 12
17
Thermal Diffusivity, mm2/s 34
4.3
Thermal Shock Resistance, points 11
11

Alloy Composition

Antimony (Sb), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.5
60.9 to 68
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.8
0 to 2.0
Nickel (Ni), % 0 to 0.25
17 to 19
Phosphorus (P), % 0 to 0.15
0 to 0.045
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 2.0
0
Zinc (Zn), % 7.0 to 9.0
0
Residuals, % 0 to 0.8
0