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ASTM A372 Grade K Steel vs. CC333G Bronze

ASTM A372 grade K steel belongs to the iron alloys classification, while CC333G 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 A372 grade K steel and the bottom bar is CC333G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170
Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 23
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
45
Tensile Strength: Ultimate (UTS), MPa 780
710
Tensile Strength: Yield (Proof), MPa 620
310

Thermal Properties

Latent Heat of Fusion, J/g 250
230
Maximum Temperature: Mechanical, °C 440
230
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 48
38
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
29
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.8
3.5
Embodied Energy, MJ/kg 24
56
Embodied Water, L/kg 57
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
75
Resilience: Unit (Modulus of Resilience), kJ/m3 1010
410
Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 23
24

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Bismuth (Bi), % 0
0 to 0.010
Carbon (C), % 0 to 0.18
0
Chromium (Cr), % 1.0 to 1.8
0 to 0.050
Copper (Cu), % 0
76 to 83
Iron (Fe), % 93.4 to 96.6
3.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.1 to 0.4
0 to 3.0
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 2.0 to 3.3
3.7 to 6.0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.5