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C47940 Brass vs. AISI 317 Stainless Steel

C47940 brass belongs to the copper alloys classification, while AISI 317 stainless steel belongs to the iron alloys. There are 27 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 C47940 brass and the bottom bar is AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
35 to 55
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
79
Shear Strength, MPa 250 to 310
420 to 470
Tensile Strength: Ultimate (UTS), MPa 380 to 520
580 to 710
Tensile Strength: Yield (Proof), MPa 160 to 390
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 130
590
Melting Completion (Liquidus), °C 850
1400
Melting Onset (Solidus), °C 800
1380
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
21
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.3
Embodied Energy, MJ/kg 47
59
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
150 to 430
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 17
20 to 25
Strength to Weight: Bending, points 14 to 17
20 to 22
Thermal Diffusivity, mm2/s 36
4.1
Thermal Shock Resistance, points 13 to 17
12 to 15

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
58 to 68
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0.1 to 0.5
11 to 15
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0