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C85400 Brass vs. S17700 Stainless Steel

C85400 brass belongs to the copper alloys classification, while S17700 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
180 to 430
Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 23
1.0 to 23
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 220
1180 to 1650
Tensile Strength: Yield (Proof), MPa 85
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 130
890
Melting Completion (Liquidus), °C 940
1440
Melting Onset (Solidus), °C 940
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 89
15
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 22
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 46
40
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 35
460 to 3750
Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 7.5
42 to 59
Strength to Weight: Bending, points 9.9
32 to 40
Thermal Diffusivity, mm2/s 28
4.1
Thermal Shock Resistance, points 7.6
39 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.35
0.75 to 1.5
Carbon (C), % 0
0 to 0.090
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 65 to 70
0
Iron (Fe), % 0 to 0.7
70.5 to 76.8
Lead (Pb), % 1.5 to 3.8
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 1.0
6.5 to 7.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
0
Residuals, % 0 to 1.1
0