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S17700 Stainless Steel vs. C43500 Brass

S17700 stainless steel belongs to the iron alloys classification, while C43500 brass belongs to the copper 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 S17700 stainless steel and the bottom bar is C43500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 1.0 to 23
8.5 to 46
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
42
Shear Strength, MPa 740 to 940
220 to 310
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
320 to 530
Tensile Strength: Yield (Proof), MPa 430 to 1210
120 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 890
160
Melting Completion (Liquidus), °C 1440
1000
Melting Onset (Solidus), °C 1400
970
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
30

Otherwise Unclassified Properties

Base Metal Price, % relative 13
28
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
45
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
44 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
65 to 1040
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 42 to 59
10 to 17
Strength to Weight: Bending, points 32 to 40
12 to 17
Thermal Diffusivity, mm2/s 4.1
37
Thermal Shock Resistance, points 39 to 54
11 to 18

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
79 to 83
Iron (Fe), % 70.5 to 76.8
0 to 0.050
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 6.5 to 7.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.6 to 1.2
Zinc (Zn), % 0
15.4 to 20.4
Residuals, % 0
0 to 0.3