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C66900 Brass vs. EN 1.3955 Stainless Steel

C66900 brass belongs to the copper alloys classification, while EN 1.3955 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is EN 1.3955 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.1 to 26
23
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 45
77
Tensile Strength: Ultimate (UTS), MPa 460 to 770
520
Tensile Strength: Yield (Proof), MPa 330 to 760
220

Thermal Properties

Latent Heat of Fusion, J/g 190
290
Maximum Temperature: Mechanical, °C 150
930
Melting Completion (Liquidus), °C 860
1430
Melting Onset (Solidus), °C 850
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
16
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
95
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
130
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15 to 26
18
Strength to Weight: Bending, points 16 to 23
18
Thermal Shock Resistance, points 14 to 23
15

Alloy Composition

Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 62.5 to 64.5
0
Iron (Fe), % 0 to 0.25
65.5 to 73.5
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
10 to 12
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0 to 0.2
0