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C34500 Brass vs. AISI 347H Stainless Steel

C34500 brass belongs to the copper alloys classification, while AISI 347H stainless steel belongs to the iron 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 C34500 brass and the bottom bar is AISI 347H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 12 to 28
39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 220 to 260
400
Tensile Strength: Ultimate (UTS), MPa 340 to 430
580
Tensile Strength: Yield (Proof), MPa 120 to 180
230

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
940
Melting Completion (Liquidus), °C 910
1430
Melting Onset (Solidus), °C 890
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
19
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
180
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
140
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 15
21
Strength to Weight: Bending, points 13 to 16
20
Thermal Diffusivity, mm2/s 37
4.2
Thermal Shock Resistance, points 11 to 14
13

Alloy Composition

Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.15
64.1 to 74
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
9.0 to 13
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0 to 0.4
0