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SAE-AISI 5155 Steel vs. C91700 Bronze

SAE-AISI 5155 steel belongs to the iron alloys classification, while C91700 bronze belongs to the copper 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 SAE-AISI 5155 steel and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
90
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 620
330
Tensile Strength: Yield (Proof), MPa 380
170

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1450
1020
Melting Onset (Solidus), °C 1410
850
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 49
71
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
36
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
3.9
Embodied Energy, MJ/kg 19
63
Embodied Water, L/kg 49
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
35
Resilience: Unit (Modulus of Resilience), kJ/m3 380
140
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22
11
Strength to Weight: Bending, points 21
12
Thermal Diffusivity, mm2/s 13
22
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
84.2 to 87.5
Iron (Fe), % 97.2 to 97.9
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.7 to 0.9
0
Nickel (Ni), % 0
1.2 to 2.0
Phosphorus (P), % 0 to 0.035
0 to 0.3
Silicon (Si), % 0.15 to 0.35
0 to 0.0050
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Zinc (Zn), % 0
0 to 0.25