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AISI 420 Stainless Steel vs. C37100 Brass

AISI 420 stainless steel belongs to the iron alloys classification, while C37100 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 420 stainless steel and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 8.0 to 15
8.0 to 40
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Shear Strength, MPa 420 to 1010
260 to 300
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
370 to 520
Tensile Strength: Yield (Proof), MPa 380 to 1310
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 620
120
Melting Completion (Liquidus), °C 1510
900
Melting Onset (Solidus), °C 1450
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
30

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
23
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
45
Embodied Water, L/kg 100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
110 to 750
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25 to 62
13 to 18
Strength to Weight: Bending, points 22 to 41
14 to 18
Thermal Diffusivity, mm2/s 7.3
39
Thermal Shock Resistance, points 25 to 62
12 to 17

Alloy Composition

Carbon (C), % 0.15 to 0.4
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
58 to 62
Iron (Fe), % 82.3 to 87.9
0 to 0.15
Lead (Pb), % 0
0.6 to 1.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
36.3 to 41.4
Residuals, % 0
0 to 0.4