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C69400 Brass vs. S44700 Stainless Steel

C69400 brass belongs to the copper alloys classification, while S44700 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 17
23
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
82
Shear Strength, MPa 350
380
Tensile Strength: Ultimate (UTS), MPa 570
600
Tensile Strength: Yield (Proof), MPa 270
450

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1460
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 18
11

Otherwise Unclassified Properties

Base Metal Price, % relative 27
18
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 44
49
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120
Resilience: Unit (Modulus of Resilience), kJ/m3 340
480
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 80 to 83
0 to 0.15
Iron (Fe), % 0 to 0.2
64.9 to 68.5
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 3.5 to 4.5
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0