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C69700 Brass vs. S44700 Stainless Steel

C69700 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 (8, in this case) are not shown.

For each property being compared, the top bar is C69700 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, % 25
23
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
82
Shear Strength, MPa 300
380
Tensile Strength: Ultimate (UTS), MPa 470
600
Tensile Strength: Yield (Proof), MPa 230
450

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 880
1410
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 19
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
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 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
480
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
21
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 75 to 80
0 to 0.15
Iron (Fe), % 0 to 0.2
64.9 to 68.5
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
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), % 2.5 to 3.5
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0