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AISI 321 Stainless Steel vs. CC763S Brass

AISI 321 stainless steel belongs to the iron alloys classification, while CC763S brass belongs to the copper alloys. There are 27 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 321 stainless steel and the bottom bar is CC763S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
130
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34 to 50
7.3
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 590 to 690
490
Tensile Strength: Yield (Proof), MPa 220 to 350
270

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 870
140
Melting Completion (Liquidus), °C 1430
870
Melting Onset (Solidus), °C 1400
830
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
32

Otherwise Unclassified Properties

Base Metal Price, % relative 16
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.2
2.9
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 230
30
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 310
340
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 21 to 25
17
Strength to Weight: Bending, points 20 to 22
17
Thermal Shock Resistance, points 13 to 15
16

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
56.5 to 67
Iron (Fe), % 65.3 to 74
0.5 to 2.0
Lead (Pb), % 0
0 to 1.5
Manganese (Mn), % 0 to 2.0
1.0 to 3.5
Nickel (Ni), % 9.0 to 12
0 to 2.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.0
Titanium (Ti), % 0 to 0.7
0
Zinc (Zn), % 0
18.9 to 41