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AISI 321H Stainless Steel vs. CC767S Brass

AISI 321H stainless steel belongs to the iron alloys classification, while CC767S brass belongs to the copper alloys. There are 29 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 321H stainless steel and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
86
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
34
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 580
430
Tensile Strength: Yield (Proof), MPa 230
150

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Maximum Temperature: Mechanical, °C 940
120
Melting Completion (Liquidus), °C 1430
840
Melting Onset (Solidus), °C 1380
790
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
32
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
36

Otherwise Unclassified Properties

Base Metal Price, % relative 16
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
100
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 21
15
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 4.0
34
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.8
Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
58 to 64
Iron (Fe), % 65.4 to 74
0 to 0.5
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 9.0 to 12
0 to 1.0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.7
0
Zinc (Zn), % 0
32.8 to 41.9