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AISI 305 Stainless Steel vs. C47940 Brass

AISI 305 stainless steel belongs to the iron alloys classification, while C47940 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 305 stainless steel and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 34 to 45
14 to 34
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Shear Strength, MPa 400 to 470
250 to 310
Tensile Strength: Ultimate (UTS), MPa 580 to 710
380 to 520
Tensile Strength: Yield (Proof), MPa 230 to 350
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 540
130
Melting Completion (Liquidus), °C 1450
850
Melting Onset (Solidus), °C 1400
800
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 17
20

Otherwise Unclassified Properties

Base Metal Price, % relative 16
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 150
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
120 to 740
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 20 to 25
13 to 17
Strength to Weight: Bending, points 20 to 23
14 to 17
Thermal Diffusivity, mm2/s 4.2
36
Thermal Shock Resistance, points 13 to 15
13 to 17

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
63 to 66
Iron (Fe), % 65.1 to 72.5
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 10.5 to 13
0.1 to 0.5
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.2 to 2.0
Zinc (Zn), % 0
28.1 to 34.6
Residuals, % 0
0 to 0.4