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C47940 Brass vs. AISI 309HCb Stainless Steel

C47940 brass belongs to the copper alloys classification, while AISI 309HCb stainless steel belongs to the iron 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 C47940 brass and the bottom bar is AISI 309HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
46
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Shear Strength, MPa 250 to 310
410
Tensile Strength: Ultimate (UTS), MPa 380 to 520
590
Tensile Strength: Yield (Proof), MPa 160 to 390
230

Thermal Properties

Latent Heat of Fusion, J/g 170
300
Maximum Temperature: Mechanical, °C 130
1090
Melting Completion (Liquidus), °C 850
1420
Melting Onset (Solidus), °C 800
1380
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 47
59
Embodied Water, L/kg 330
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
130
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 17
21
Strength to Weight: Bending, points 14 to 17
20
Thermal Diffusivity, mm2/s 36
4.0
Thermal Shock Resistance, points 13 to 17
13

Alloy Composition

Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
56 to 66
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0.1 to 0.5
12 to 16
Niobium (Nb), % 0
0 to 1.1
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