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CC334G Bronze vs. ASTM A387 Grade 12 Steel

CC334G bronze belongs to the copper alloys classification, while ASTM A387 grade 12 steel belongs to the iron 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 CC334G bronze and the bottom bar is ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 5.6
25
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
73
Tensile Strength: Ultimate (UTS), MPa 810
470 to 520
Tensile Strength: Yield (Proof), MPa 410
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 240
430
Melting Completion (Liquidus), °C 1080
1470
Melting Onset (Solidus), °C 1020
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 41
44
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.8
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.6
Embodied Energy, MJ/kg 59
21
Embodied Water, L/kg 390
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 710
180 to 250
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 28
16 to 18
Strength to Weight: Bending, points 24
17 to 18
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 28
14 to 15

Alloy Composition

Aluminum (Al), % 10 to 12
0
Carbon (C), % 0
0.050 to 0.17
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 72 to 84.5
0
Iron (Fe), % 3.0 to 7.0
97 to 98.2
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.5
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 4.0 to 7.5
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0.15 to 0.4
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0