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ASTM A387 Grade 22 Steel vs. C90800 Bronze

ASTM A387 grade 22 steel belongs to the iron alloys classification, while C90800 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C90800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
90
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 480 to 600
330
Tensile Strength: Yield (Proof), MPa 230 to 350
170

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 460
170
Melting Completion (Liquidus), °C 1470
990
Melting Onset (Solidus), °C 1430
870
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 40
68
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
36
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.7
3.8
Embodied Energy, MJ/kg 23
62
Embodied Water, L/kg 58
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
35
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
140
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17 to 21
11
Strength to Weight: Bending, points 17 to 20
12
Thermal Diffusivity, mm2/s 11
21
Thermal Shock Resistance, points 14 to 17
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0
85.3 to 89
Iron (Fe), % 95.1 to 96.8
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.3
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.025
0 to 0.050
Tin (Sn), % 0
11 to 13
Zinc (Zn), % 0
0 to 0.25