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C68400 Brass vs. EN 1.4568 Stainless Steel

C68400 brass belongs to the copper alloys classification, while EN 1.4568 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is EN 1.4568 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
2.3 to 21
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 330
520 to 930
Tensile Strength: Ultimate (UTS), MPa 540
830 to 1620
Tensile Strength: Yield (Proof), MPa 310
330 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 130
890
Melting Completion (Liquidus), °C 840
1420
Melting Onset (Solidus), °C 820
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 66
16
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 47
40
Embodied Water, L/kg 320
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
36 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 460
290 to 5710
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
30 to 58
Strength to Weight: Bending, points 19
25 to 40
Thermal Diffusivity, mm2/s 21
4.3
Thermal Shock Resistance, points 18
23 to 46

Alloy Composition

Aluminum (Al), % 0 to 0.5
0.7 to 1.5
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.090
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
70.9 to 76.8
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 1.0
Nickel (Ni), % 0 to 0.5
6.5 to 7.8
Phosphorus (P), % 0.030 to 0.3
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0