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SAE-AISI H21 Steel vs. C61400 Bronze

SAE-AISI H21 steel belongs to the iron alloys classification, while C61400 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 C61400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
540 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Melting Completion (Liquidus), °C 1630
1050
Melting Onset (Solidus), °C 1580
1040
Specific Heat Capacity, J/kg-K 440
420
Thermal Conductivity, W/m-K 27
67
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 8.5
8.5
Embodied Carbon, kg CO2/kg material 4.5
3.0
Embodied Energy, MJ/kg 68
48
Embodied Water, L/kg 72
360

Common Calculations

Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 23 to 58
18 to 19
Strength to Weight: Bending, points 21 to 38
17 to 18
Thermal Diffusivity, mm2/s 7.1
19
Thermal Shock Resistance, points 24 to 59
18 to 20

Alloy Composition

Aluminum (Al), % 0
6.0 to 8.0
Carbon (C), % 0.28 to 0.36
0
Chromium (Cr), % 3.0 to 3.8
0
Copper (Cu), % 0 to 0.25
86 to 92.5
Iron (Fe), % 87.6 to 93.8
1.5 to 3.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5