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AISI 429 Stainless Steel vs. C99400 Brass

AISI 429 stainless steel belongs to the iron alloys classification, while C99400 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AISI 429 stainless steel and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 480
460 to 550
Tensile Strength: Yield (Proof), MPa 260
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Maximum Temperature: Mechanical, °C 810
200
Melting Completion (Liquidus), °C 1440
1070
Melting Onset (Solidus), °C 1400
1020
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
17
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
17

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
30
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
45
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 170
230 to 590
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
15 to 17
Strength to Weight: Bending, points 18
15 to 17
Thermal Shock Resistance, points 17
16 to 19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 0
83.5 to 96.5
Iron (Fe), % 81.8 to 86
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 0
1.0 to 3.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.5 to 2.0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0.5 to 5.0
Residuals, % 0
0 to 0.3