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ASTM A387 Grade 22 Steel vs. C95800 Bronze

ASTM A387 grade 22 steel belongs to the iron alloys classification, while C95800 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is C95800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 21
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
44
Tensile Strength: Ultimate (UTS), MPa 480 to 600
660
Tensile Strength: Yield (Proof), MPa 230 to 350
270

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Maximum Temperature: Mechanical, °C 460
230
Melting Completion (Liquidus), °C 1470
1060
Melting Onset (Solidus), °C 1430
1040
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 40
36
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
29
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.7
3.4
Embodied Energy, MJ/kg 23
55
Embodied Water, L/kg 58
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
310
Stiffness to Weight: Axial, points 13
7.9
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17 to 21
22
Strength to Weight: Bending, points 17 to 20
20
Thermal Diffusivity, mm2/s 11
9.9
Thermal Shock Resistance, points 14 to 17
23

Alloy Composition

Aluminum (Al), % 0
8.5 to 9.5
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0
79 to 83.2
Iron (Fe), % 95.1 to 96.8
3.5 to 4.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.3 to 0.6
0.8 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
4.0 to 5.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Residuals, % 0
0 to 0.5