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AISI 204 Stainless Steel vs. C34500 Brass

AISI 204 stainless steel belongs to the iron alloys classification, while C34500 brass belongs to the copper alloys. There are 29 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 204 stainless steel and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 23 to 39
12 to 28
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Shear Strength, MPa 500 to 700
220 to 260
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
340 to 430
Tensile Strength: Yield (Proof), MPa 380 to 1080
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 850
120
Melting Completion (Liquidus), °C 1410
910
Melting Onset (Solidus), °C 1370
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
29

Otherwise Unclassified Properties

Base Metal Price, % relative 10
24
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
45
Embodied Water, L/kg 130
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
69 to 160
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 27 to 40
12 to 15
Strength to Weight: Bending, points 24 to 31
13 to 16
Thermal Diffusivity, mm2/s 4.1
37
Thermal Shock Resistance, points 16 to 24
11 to 14

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 69.6 to 76.4
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 1.5 to 3.0
0
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4