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SAE-AISI H21 Steel vs. CC496K Bronze

SAE-AISI H21 steel belongs to the iron alloys classification, while CC496K bronze belongs to the copper 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 SAE-AISI H21 steel and the bottom bar is CC496K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
97
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 76
36
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
210

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Melting Completion (Liquidus), °C 1630
900
Melting Onset (Solidus), °C 1580
820
Specific Heat Capacity, J/kg-K 440
340
Thermal Conductivity, W/m-K 27
52
Thermal Expansion, µm/m-K 11
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
31
Density, g/cm3 8.5
9.2
Embodied Carbon, kg CO2/kg material 4.5
3.3
Embodied Energy, MJ/kg 68
52
Embodied Water, L/kg 72
380

Common Calculations

Stiffness to Weight: Axial, points 13
5.9
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 23 to 58
6.5
Strength to Weight: Bending, points 21 to 38
8.6
Thermal Diffusivity, mm2/s 7.1
17
Thermal Shock Resistance, points 24 to 59
8.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0.28 to 0.36
0
Chromium (Cr), % 3.0 to 3.8
0
Copper (Cu), % 0 to 0.25
72 to 79.5
Iron (Fe), % 87.6 to 93.8
0 to 0.25
Lead (Pb), % 0
13 to 17
Manganese (Mn), % 0.15 to 0.4
0 to 0.2
Nickel (Ni), % 0 to 0.3
0.5 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.1
Silicon (Si), % 0.15 to 0.5
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
6.0 to 8.0
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
0 to 2.0