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C68400 Brass vs. S17400 Stainless Steel

C68400 brass belongs to the copper alloys classification, while S17400 stainless steel belongs to the iron alloys. There are 30 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 C68400 brass and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
11 to 21
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
75
Shear Strength, MPa 330
570 to 830
Tensile Strength: Ultimate (UTS), MPa 540
910 to 1390
Tensile Strength: Yield (Proof), MPa 310
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 130
850
Melting Completion (Liquidus), °C 840
1440
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 66
17
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 320
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 460
880 to 4060
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
32 to 49
Strength to Weight: Bending, points 19
27 to 35
Thermal Diffusivity, mm2/s 21
4.5
Thermal Shock Resistance, points 18
30 to 46

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 59 to 64
3.0 to 5.0
Iron (Fe), % 0 to 1.0
70.4 to 78.9
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 1.0
Nickel (Ni), % 0 to 0.5
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0.030 to 0.3
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0