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C69700 Brass vs. AISI 434 Stainless Steel

C69700 brass belongs to the copper alloys classification, while AISI 434 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
24
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
78
Shear Strength, MPa 300
330
Tensile Strength: Ultimate (UTS), MPa 470
520
Tensile Strength: Yield (Proof), MPa 230
320

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 160
880
Melting Completion (Liquidus), °C 930
1510
Melting Onset (Solidus), °C 880
1430
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 43
25
Thermal Expansion, µm/m-K 19
10

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 44
33
Embodied Water, L/kg 310
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
260
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
78.6 to 83.3
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
0.75 to 1.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0