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ASTM A387 Grade 11 Steel vs. C38500 Bronze

ASTM A387 grade 11 steel belongs to the iron alloys classification, while C38500 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 11 steel and the bottom bar is C38500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 25
17
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
37
Shear Strength, MPa 320 to 390
230
Tensile Strength: Ultimate (UTS), MPa 500 to 600
370
Tensile Strength: Yield (Proof), MPa 270 to 350
130

Thermal Properties

Latent Heat of Fusion, J/g 260
160
Maximum Temperature: Mechanical, °C 430
110
Melting Completion (Liquidus), °C 1460
890
Melting Onset (Solidus), °C 1420
880
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 39
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
31

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
22
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 21
45
Embodied Water, L/kg 53
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
48
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
78
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 21
13
Strength to Weight: Bending, points 18 to 20
14
Thermal Diffusivity, mm2/s 11
40
Thermal Shock Resistance, points 15 to 18
12

Alloy Composition


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Carbon (C), % 0.050 to 0.17
0
Chromium (Cr), % 1.0 to 1.5
0
Copper (Cu), % 0
55 to 59
Iron (Fe), % 96.2 to 97.6
0 to 0.35
Lead (Pb), % 0
2.5 to 3.5
Manganese (Mn), % 0.4 to 0.65
0
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.5 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
36.7 to 42.5
Residuals, % 0
0 to 0.5