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C49300 Brass vs. AISI 431 Stainless Steel

C49300 brass belongs to the copper alloys classification, while AISI 431 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 C49300 brass and the bottom bar is AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 4.5 to 20
15 to 17
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 270 to 290
550 to 840
Tensile Strength: Ultimate (UTS), MPa 430 to 520
890 to 1380
Tensile Strength: Yield (Proof), MPa 210 to 410
710 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Maximum Temperature: Mechanical, °C 120
850
Melting Completion (Liquidus), °C 880
1510
Melting Onset (Solidus), °C 840
1450
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 88
26
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 17
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.2
Embodied Energy, MJ/kg 50
31
Embodied Water, L/kg 370
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 71
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 800
1270 to 2770
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 18
32 to 50
Strength to Weight: Bending, points 16 to 18
27 to 36
Thermal Diffusivity, mm2/s 29
7.0
Thermal Shock Resistance, points 14 to 18
28 to 43

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 0.2
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 58 to 62
0
Iron (Fe), % 0 to 0.1
78.2 to 83.8
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.030
0 to 1.0
Nickel (Ni), % 0 to 1.5
1.3 to 2.5
Phosphorus (P), % 0 to 0.2
0 to 0.040
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 1.8
0
Zinc (Zn), % 30.6 to 40.5
0
Residuals, % 0 to 0.5
0