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AISI 439 Stainless Steel vs. C63200 Bronze

AISI 439 stainless steel belongs to the iron alloys classification, while C63200 bronze belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is C63200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23
17 to 18
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 78
88
Shear Modulus, GPa 77
44
Shear Strength, MPa 310
390 to 440
Tensile Strength: Ultimate (UTS), MPa 490
640 to 710
Tensile Strength: Yield (Proof), MPa 250
310 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Maximum Temperature: Mechanical, °C 890
230
Melting Completion (Liquidus), °C 1510
1060
Melting Onset (Solidus), °C 1430
1040
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 25
35
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
29
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.3
3.4
Embodied Energy, MJ/kg 34
55
Embodied Water, L/kg 120
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
95 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 160
400 to 510
Stiffness to Weight: Axial, points 14
7.9
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 18
21 to 24
Strength to Weight: Bending, points 18
20 to 21
Thermal Diffusivity, mm2/s 6.7
9.6
Thermal Shock Resistance, points 16
22 to 24

Alloy Composition

Aluminum (Al), % 0 to 0.15
8.7 to 9.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
78.8 to 82.6
Iron (Fe), % 77.1 to 82.8
3.5 to 4.3
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
1.2 to 2.0
Nickel (Ni), % 0 to 0.5
4.0 to 4.8
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 1.1
0
Residuals, % 0
0 to 0.5