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AISI 403 Stainless Steel vs. C68400 Brass

AISI 403 stainless steel belongs to the iron alloys classification, while C68400 brass belongs to the copper alloys. There are 30 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 AISI 403 stainless steel and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 16 to 25
18
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
41
Shear Strength, MPa 340 to 480
330
Tensile Strength: Ultimate (UTS), MPa 530 to 780
540
Tensile Strength: Yield (Proof), MPa 280 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 740
130
Melting Completion (Liquidus), °C 1450
840
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 28
66
Thermal Expansion, µm/m-K 9.9
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
87
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
99

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
2.7
Embodied Energy, MJ/kg 27
47
Embodied Water, L/kg 99
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
81
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
460
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 19 to 28
19
Strength to Weight: Bending, points 19 to 24
19
Thermal Diffusivity, mm2/s 7.6
21
Thermal Shock Resistance, points 20 to 29
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 13
0
Copper (Cu), % 0
59 to 64
Iron (Fe), % 84.7 to 88.5
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.0
0.2 to 1.5
Nickel (Ni), % 0 to 0.6
0 to 0.5
Phosphorus (P), % 0 to 0.040
0.030 to 0.3
Silicon (Si), % 0 to 0.5
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5