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ASTM A321 Carbon Steel vs. CC334G Bronze

ASTM A321 carbon steel belongs to the iron alloys classification, while CC334G 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 A321 carbon steel and the bottom bar is CC334G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210
Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 21
5.6
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
45
Tensile Strength: Ultimate (UTS), MPa 670
810
Tensile Strength: Yield (Proof), MPa 390
410

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
240
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 51
41
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
29
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
3.6
Embodied Energy, MJ/kg 18
59
Embodied Water, L/kg 46
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
38
Resilience: Unit (Modulus of Resilience), kJ/m3 400
710
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 21
28

Alloy Composition

Aluminum (Al), % 0
10 to 12
Carbon (C), % 0 to 0.55
0
Copper (Cu), % 0
72 to 84.5
Iron (Fe), % 98.1 to 99.25
3.0 to 7.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.6 to 0.9
0 to 2.5
Nickel (Ni), % 0
4.0 to 7.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5