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AISI 420 Stainless Steel vs. CC764S Brass

AISI 420 stainless steel belongs to the iron alloys classification, while CC764S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 8.0 to 15
15
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
680
Tensile Strength: Yield (Proof), MPa 380 to 1310
290

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 620
130
Melting Completion (Liquidus), °C 1510
850
Melting Onset (Solidus), °C 1450
810
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 27
94
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
36

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 28
49
Embodied Water, L/kg 100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
80
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
390
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25 to 62
24
Strength to Weight: Bending, points 22 to 41
22
Thermal Diffusivity, mm2/s 7.3
30
Thermal Shock Resistance, points 25 to 62
22

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.15 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
52 to 66
Iron (Fe), % 82.3 to 87.9
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0.3 to 4.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
20.7 to 50.2