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AISI 434 Stainless Steel vs. C68400 Brass

AISI 434 stainless steel belongs to the iron alloys classification, while C68400 brass belongs to the copper alloys. There are 30 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 434 stainless steel and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
150
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 24
18
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
41
Shear Strength, MPa 330
330
Tensile Strength: Ultimate (UTS), MPa 520
540
Tensile Strength: Yield (Proof), MPa 320
310

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 880
130
Melting Completion (Liquidus), °C 1510
840
Melting Onset (Solidus), °C 1430
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 25
66
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
87
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
2.7
Embodied Energy, MJ/kg 33
47
Embodied Water, L/kg 120
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
81
Resilience: Unit (Modulus of Resilience), kJ/m3 260
460
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 6.7
21
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
59 to 64
Iron (Fe), % 78.6 to 83.3
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.0
0.2 to 1.5
Molybdenum (Mo), % 0.75 to 1.3
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0.030 to 0.3
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5