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C35000 Brass vs. EN 1.4742 Stainless Steel

C35000 brass belongs to the copper alloys classification, while EN 1.4742 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C35000 brass and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 340 to 650
600

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
1000
Melting Completion (Liquidus), °C 920
1420
Melting Onset (Solidus), °C 890
1380
Specific Heat Capacity, J/kg-K 380
490
Thermal Conductivity, W/m-K 120
19
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 29
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.0
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.2
Embodied Energy, MJ/kg 45
32
Embodied Water, L/kg 320
130

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 22
22
Strength to Weight: Bending, points 13 to 21
21
Thermal Diffusivity, mm2/s 37
5.1
Thermal Shock Resistance, points 11 to 22
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 60 to 63
0
Iron (Fe), % 0 to 0.1
77.2 to 81.6
Lead (Pb), % 0.8 to 2.0
0
Manganese (Mn), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 34.5 to 39.2
0
Residuals, % 0 to 0.4
0