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AISI 420 Stainless Steel vs. C85200 Brass

AISI 420 stainless steel belongs to the iron alloys classification, while C85200 brass belongs to the copper 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 AISI 420 stainless steel and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 8.0 to 15
28
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
270
Tensile Strength: Yield (Proof), MPa 380 to 1310
95

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Maximum Temperature: Mechanical, °C 620
140
Melting Completion (Liquidus), °C 1510
940
Melting Onset (Solidus), °C 1450
930
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 27
84
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
19

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
26
Density, g/cm3 7.7
8.4
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
59
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
42
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25 to 62
8.9
Strength to Weight: Bending, points 22 to 41
11
Thermal Diffusivity, mm2/s 7.3
27
Thermal Shock Resistance, points 25 to 62
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.15 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
70 to 74
Iron (Fe), % 82.3 to 87.9
0 to 0.6
Lead (Pb), % 0
1.5 to 3.8
Manganese (Mn), % 0 to 1.0
0
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 0.020
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
0.7 to 2.0
Zinc (Zn), % 0
20 to 27
Residuals, % 0
0 to 0.9