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CC751S Brass vs. AISI 409 Stainless Steel

CC751S brass belongs to the copper alloys classification, while AISI 409 stainless steel belongs to the iron alloys. There are 28 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 CC751S brass and the bottom bar is AISI 409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 5.6
24
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 450
420
Tensile Strength: Yield (Proof), MPa 320
200

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Maximum Temperature: Mechanical, °C 130
710
Melting Completion (Liquidus), °C 850
1450
Melting Onset (Solidus), °C 810
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 28
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
6.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 46
28
Embodied Water, L/kg 330
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
83
Resilience: Unit (Modulus of Resilience), kJ/m3 480
100
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15
15
Strength to Weight: Bending, points 16
16
Thermal Diffusivity, mm2/s 35
6.7
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 62.7 to 66
0
Iron (Fe), % 0.25 to 0.5
84.9 to 89.5
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Nickel (Ni), % 0 to 0.8
0 to 0.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.65 to 1.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Titanium (Ti), % 0
0 to 0.75
Zinc (Zn), % 27.9 to 35.6
0