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C69700 Brass vs. EN 1.7221 Steel

C69700 brass belongs to the copper alloys classification, while EN 1.7221 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
11 to 17
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 470
650 to 780
Tensile Strength: Yield (Proof), MPa 230
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 160
420
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 880
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 43
44
Thermal Expansion, µm/m-K 19
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.4
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 310
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 250
490 to 1050
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
23 to 27
Strength to Weight: Bending, points 16
21 to 24
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 16
19 to 23

Alloy Composition

Carbon (C), % 0
0.22 to 0.29
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
96.8 to 98.3
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 2.5 to 3.5
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0