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C49300 Brass vs. S39274 Stainless Steel

C49300 brass belongs to the copper alloys classification, while S39274 stainless steel belongs to the iron alloys. There are 29 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 C49300 brass and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 4.5 to 20
17
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
81
Shear Strength, MPa 270 to 290
560
Tensile Strength: Ultimate (UTS), MPa 430 to 520
900
Tensile Strength: Yield (Proof), MPa 210 to 410
620

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 880
1480
Melting Onset (Solidus), °C 840
1430
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 88
16
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 3.0
4.3
Embodied Energy, MJ/kg 50
60
Embodied Water, L/kg 370
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 71
140
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 800
940
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 18
32
Strength to Weight: Bending, points 16 to 18
26
Thermal Diffusivity, mm2/s 29
4.2
Thermal Shock Resistance, points 14 to 18
25

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0.5 to 2.0
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 58 to 62
0.2 to 0.8
Iron (Fe), % 0 to 0.1
57 to 65.6
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.030
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 1.5
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.2
0 to 0.030
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.0 to 1.8
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 30.6 to 40.5
0
Residuals, % 0 to 0.5
0