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CC491K Bronze vs. SAE-AISI H21 Steel

CC491K bronze belongs to the copper alloys classification, while SAE-AISI H21 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 260
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Melting Completion (Liquidus), °C 980
1630
Melting Onset (Solidus), °C 900
1580
Specific Heat Capacity, J/kg-K 370
440
Thermal Conductivity, W/m-K 71
27
Thermal Expansion, µm/m-K 19
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 3.1
4.5
Embodied Energy, MJ/kg 51
68
Embodied Water, L/kg 350
72

Common Calculations

Stiffness to Weight: Axial, points 6.7
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 8.1
23 to 58
Strength to Weight: Bending, points 10
21 to 38
Thermal Diffusivity, mm2/s 22
7.1
Thermal Shock Resistance, points 9.3
24 to 59

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0.28 to 0.36
Chromium (Cr), % 0
3.0 to 3.8
Copper (Cu), % 81 to 87
0 to 0.25
Iron (Fe), % 0 to 0.3
87.6 to 93.8
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0 to 2.0
0 to 0.3
Phosphorus (P), % 0 to 0.1
0 to 0.030
Silicon (Si), % 0 to 0.010
0.15 to 0.5
Sulfur (S), % 0 to 0.1
0 to 0.030
Tin (Sn), % 4.0 to 6.0
0
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6
Zinc (Zn), % 4.0 to 6.0
0