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C87200 Bronze vs. SAE-AISI 4130 Steel

C87200 bronze belongs to the copper alloys classification, while SAE-AISI 4130 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C87200 bronze and the bottom bar is SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
200 to 300
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 30
13 to 26
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 380
530 to 1040
Tensile Strength: Yield (Proof), MPa 170
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 970
1460
Melting Onset (Solidus), °C 860
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 28
43
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.4
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 310
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
83 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 130
500 to 2550
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
19 to 37
Strength to Weight: Bending, points 14
19 to 29
Thermal Diffusivity, mm2/s 8.0
12
Thermal Shock Resistance, points 14
16 to 31

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0
0.28 to 0.33
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 89 to 99
0
Iron (Fe), % 0 to 2.5
97.3 to 98.2
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0 to 1.5
0.4 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.5
0 to 0.035
Silicon (Si), % 1.0 to 5.0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 0 to 5.0
0