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AISI 305 Stainless Steel vs. C69300 Brass

AISI 305 stainless steel belongs to the iron alloys classification, while C69300 brass belongs to the copper 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 AISI 305 stainless steel and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34 to 45
8.5 to 15
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
41
Shear Strength, MPa 400 to 470
330 to 370
Tensile Strength: Ultimate (UTS), MPa 580 to 710
550 to 630
Tensile Strength: Yield (Proof), MPa 230 to 350
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 540
160
Melting Completion (Liquidus), °C 1450
880
Melting Onset (Solidus), °C 1400
860
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 16
38
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
26
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
400 to 700
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 20 to 25
19 to 21
Strength to Weight: Bending, points 20 to 23
18 to 20
Thermal Diffusivity, mm2/s 4.2
12
Thermal Shock Resistance, points 13 to 15
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
73 to 77
Iron (Fe), % 65.1 to 72.5
0 to 0.1
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 2.0
0 to 0.1
Nickel (Ni), % 10.5 to 13
0 to 0.1
Phosphorus (P), % 0 to 0.045
0.040 to 0.15
Silicon (Si), % 0 to 0.75
2.7 to 3.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
18.4 to 24.3
Residuals, % 0
0 to 0.5