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AISI 446 Stainless Steel vs. C91700 Bronze

AISI 446 stainless steel belongs to the iron alloys classification, while C91700 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
90
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 23
13
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 79
41
Tensile Strength: Ultimate (UTS), MPa 570
330
Tensile Strength: Yield (Proof), MPa 300
170

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 1180
170
Melting Completion (Liquidus), °C 1510
1020
Melting Onset (Solidus), °C 1430
850
Specific Heat Capacity, J/kg-K 490
370
Thermal Conductivity, W/m-K 17
71
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.4
3.9
Embodied Energy, MJ/kg 35
63
Embodied Water, L/kg 150
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
35
Resilience: Unit (Modulus of Resilience), kJ/m3 230
140
Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 26
18
Strength to Weight: Axial, points 21
11
Strength to Weight: Bending, points 20
12
Thermal Diffusivity, mm2/s 4.6
22
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
84.2 to 87.5
Iron (Fe), % 69.2 to 77
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 0 to 0.75
1.2 to 2.0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.3
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Zinc (Zn), % 0
0 to 0.25