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C69700 Brass vs. EN 1.4634 Stainless Steel

C69700 brass belongs to the copper alloys classification, while EN 1.4634 stainless steel belongs to the iron alloys. There are 27 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 C69700 brass and the bottom bar is EN 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 25
21
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Shear Strength, MPa 300
340
Tensile Strength: Ultimate (UTS), MPa 470
540
Tensile Strength: Yield (Proof), MPa 230
280

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 160
900
Melting Completion (Liquidus), °C 930
1430
Melting Onset (Solidus), °C 880
1390
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 43
21
Thermal Expansion, µm/m-K 19
10

Otherwise Unclassified Properties

Base Metal Price, % relative 26
13
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 44
42
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
93
Resilience: Unit (Modulus of Resilience), kJ/m3 250
200
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
20
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 13
5.8
Thermal Shock Resistance, points 16
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 75 to 80
0 to 0.5
Iron (Fe), % 0 to 0.2
74.9 to 81.8
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.3 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 2.5 to 3.5
0.2 to 1.5
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0