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AISI 309 Stainless Steel vs. C36200 Brass

AISI 309 stainless steel belongs to the iron alloys classification, while C36200 brass belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 309 stainless steel and the bottom bar is C36200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 34 to 47
20 to 53
Poisson's Ratio 0.27
0.31
Rockwell B Hardness 84
62 to 78
Shear Modulus, GPa 78
39
Shear Strength, MPa 420 to 470
210 to 240
Tensile Strength: Ultimate (UTS), MPa 600 to 710
340 to 420
Tensile Strength: Yield (Proof), MPa 260 to 350
130 to 360

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 980
120
Melting Completion (Liquidus), °C 1450
900
Melting Onset (Solidus), °C 1400
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
28

Otherwise Unclassified Properties

Base Metal Price, % relative 19
23
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 170
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
74 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
89 to 630
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21 to 25
11 to 14
Strength to Weight: Bending, points 20 to 23
13 to 15
Thermal Diffusivity, mm2/s 4.3
37
Thermal Shock Resistance, points 14 to 16
11 to 14

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0
60 to 63
Iron (Fe), % 58 to 66
0 to 0.15
Lead (Pb), % 0
3.5 to 4.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
32.4 to 36.5