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C87200 Bronze vs. AISI 431 Stainless Steel

C87200 bronze belongs to the copper alloys classification, while AISI 431 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C87200 bronze and the bottom bar is AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
250
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 30
15 to 17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 380
890 to 1380
Tensile Strength: Yield (Proof), MPa 170
710 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 200
850
Melting Completion (Liquidus), °C 970
1510
Melting Onset (Solidus), °C 860
1450
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
26
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.0
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.2
Embodied Energy, MJ/kg 44
31
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1270 to 2770
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
32 to 50
Strength to Weight: Bending, points 14
27 to 36
Thermal Diffusivity, mm2/s 8.0
7.0
Thermal Shock Resistance, points 14
28 to 43

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 89 to 99
0
Iron (Fe), % 0 to 2.5
78.2 to 83.8
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 0
1.3 to 2.5
Phosphorus (P), % 0 to 0.5
0 to 0.040
Silicon (Si), % 1.0 to 5.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 0 to 5.0
0