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ASTM A387 Grade 22 Steel vs. C90400 Bronze

ASTM A387 grade 22 steel belongs to the iron alloys classification, while C90400 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 C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
77
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 21
24
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
41
Tensile Strength: Ultimate (UTS), MPa 480 to 600
310
Tensile Strength: Yield (Proof), MPa 230 to 350
180

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
850
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 40
75
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
34
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.7
3.5
Embodied Energy, MJ/kg 23
56
Embodied Water, L/kg 58
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
65
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
150
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17 to 21
10
Strength to Weight: Bending, points 17 to 20
12
Thermal Diffusivity, mm2/s 11
23
Thermal Shock Resistance, points 14 to 17
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 95.1 to 96.8
0 to 0.4
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0.3 to 0.6
0 to 0.010
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0 to 0.025
0.1 to 0.65
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7