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C69700 Brass vs. EN 1.7706 Steel

C69700 brass belongs to the copper alloys classification, while EN 1.7706 steel belongs to the iron alloys. There are 26 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 EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
17
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 470
690
Tensile Strength: Yield (Proof), MPa 230
500

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Maximum Temperature: Mechanical, °C 160
440
Melting Completion (Liquidus), °C 930
1470
Melting Onset (Solidus), °C 880
1430
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 43
40
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
3.7
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 44
32
Embodied Water, L/kg 310
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
670
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 75 to 80
0 to 0.3
Iron (Fe), % 0 to 0.2
94.7 to 97.1
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 2.5 to 3.5
0 to 0.6
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0