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AISI 321H Stainless Steel vs. C90300 Bronze

AISI 321H stainless steel belongs to the iron alloys classification, while C90300 bronze belongs to the copper alloys. There are 28 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 321H stainless steel and the bottom bar is C90300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 580
330
Tensile Strength: Yield (Proof), MPa 230
150

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 940
170
Melting Completion (Liquidus), °C 1430
1000
Melting Onset (Solidus), °C 1380
850
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 15
75
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 16
33
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.2
3.4
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 140
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
59
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21
11
Strength to Weight: Bending, points 20
12
Thermal Diffusivity, mm2/s 4.0
23
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 65.4 to 74
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 12
0 to 1.0
Phosphorus (P), % 0 to 0.045
0 to 1.5
Silicon (Si), % 0 to 0.75
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
7.5 to 9.0
Titanium (Ti), % 0 to 0.7
0
Zinc (Zn), % 0
3.0 to 5.0
Residuals, % 0
0 to 0.6