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AISI 420 Stainless Steel vs. CC750S Brass

AISI 420 stainless steel belongs to the iron alloys classification, while CC750S 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 CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
54
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 8.0 to 15
13
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
200
Tensile Strength: Yield (Proof), MPa 380 to 1310
80

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 620
130
Melting Completion (Liquidus), °C 1510
860
Melting Onset (Solidus), °C 1450
810
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 27
110
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
26

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
25
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
46
Embodied Water, L/kg 100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
22
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
30
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25 to 62
6.8
Strength to Weight: Bending, points 22 to 41
9.3
Thermal Diffusivity, mm2/s 7.3
35
Thermal Shock Resistance, points 25 to 62
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.15 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
62 to 67
Iron (Fe), % 82.3 to 87.9
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 0.2
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
26.3 to 36