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EN 1.4749 Stainless Steel vs. C87800 Brass

EN 1.4749 stainless steel belongs to the iron alloys classification, while C87800 brass belongs to the copper alloys. There are 28 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 EN 1.4749 stainless steel and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 16
25
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
42
Tensile Strength: Ultimate (UTS), MPa 600
590
Tensile Strength: Yield (Proof), MPa 320
350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1420
920
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 490
410
Thermal Conductivity, W/m-K 17
28
Thermal Expansion, µm/m-K 9.6
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
27
Density, g/cm3 7.6
8.3
Embodied Carbon, kg CO2/kg material 2.5
2.7
Embodied Energy, MJ/kg 36
44
Embodied Water, L/kg 160
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
540
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 26
19
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 4.6
8.3
Thermal Shock Resistance, points 22
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
80 to 84.2
Iron (Fe), % 68.5 to 73.7
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0 to 0.15
Nickel (Ni), % 0
0 to 0.2
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
3.8 to 4.2
Sulfur (S), % 0 to 0.015
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5