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C68300 Brass vs. AISI 420 Stainless Steel

C68300 brass belongs to the copper alloys classification, while AISI 420 stainless steel belongs to the iron alloys. There are 28 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 C68300 brass and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 15
8.0 to 15
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 60
84
Shear Modulus, GPa 40
76
Shear Strength, MPa 260
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 430
690 to 1720
Tensile Strength: Yield (Proof), MPa 260
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Maximum Temperature: Mechanical, °C 120
620
Melting Completion (Liquidus), °C 900
1510
Melting Onset (Solidus), °C 890
1450
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
27
Thermal Expansion, µm/m-K 20
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 46
28
Embodied Water, L/kg 340
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
380 to 4410
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
25 to 62
Strength to Weight: Bending, points 16
22 to 41
Thermal Diffusivity, mm2/s 38
7.3
Thermal Shock Resistance, points 14
25 to 62

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0.15 to 0.4
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 59 to 63
0
Iron (Fe), % 0
82.3 to 87.9
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.3 to 1.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0 to 0.5
0