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SAE-AISI 4621 Steel vs. CC496K Bronze

SAE-AISI 4621 steel belongs to the iron alloys classification, while CC496K 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 4621 steel and the bottom bar is CC496K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
72
Elastic (Young's, Tensile) Modulus, GPa 190
97
Elongation at Break, % 27
8.6
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 500
210
Tensile Strength: Yield (Proof), MPa 360
99

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 410
140
Melting Completion (Liquidus), °C 1460
900
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
340
Thermal Conductivity, W/m-K 46
52
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
31
Density, g/cm3 7.9
9.2
Embodied Carbon, kg CO2/kg material 1.6
3.3
Embodied Energy, MJ/kg 22
52
Embodied Water, L/kg 50
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
15
Resilience: Unit (Modulus of Resilience), kJ/m3 340
50
Stiffness to Weight: Axial, points 13
5.9
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 18
6.5
Strength to Weight: Bending, points 18
8.6
Thermal Diffusivity, mm2/s 12
17
Thermal Shock Resistance, points 15
8.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0.18 to 0.23
0
Copper (Cu), % 0
72 to 79.5
Iron (Fe), % 96.1 to 97.1
0 to 0.25
Lead (Pb), % 0
13 to 17
Manganese (Mn), % 0.7 to 0.9
0 to 0.2
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
0.5 to 2.0
Phosphorus (P), % 0 to 0.035
0 to 0.1
Silicon (Si), % 0.15 to 0.35
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.1
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 0
0 to 2.0