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C69700 Brass vs. S40930 Stainless Steel

C69700 brass belongs to the copper alloys classification, while S40930 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
23
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
75
Shear Strength, MPa 300
270
Tensile Strength: Ultimate (UTS), MPa 470
430
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 160
710
Melting Completion (Liquidus), °C 930
1450
Melting Onset (Solidus), °C 880
1410
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
8.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 44
32
Embodied Water, L/kg 310
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
80
Resilience: Unit (Modulus of Resilience), kJ/m3 250
94
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
16
Strength to Weight: Bending, points 16
16
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
84.7 to 89.4
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0