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EN 1.4749 Stainless Steel vs. C99750 Brass

EN 1.4749 stainless steel belongs to the iron alloys classification, while C99750 brass belongs to the copper 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 EN 1.4749 stainless steel and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
130
Elongation at Break, % 16
20 to 30
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 80
48
Tensile Strength: Ultimate (UTS), MPa 600
450 to 520
Tensile Strength: Yield (Proof), MPa 320
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1420
840
Melting Onset (Solidus), °C 1380
820
Specific Heat Capacity, J/kg-K 490
410
Thermal Expansion, µm/m-K 9.6
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 2.5
3.1
Embodied Energy, MJ/kg 36
51
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
190 to 300
Stiffness to Weight: Axial, points 15
8.6
Stiffness to Weight: Bending, points 26
21
Strength to Weight: Axial, points 22
15 to 18
Strength to Weight: Bending, points 21
16 to 18
Thermal Shock Resistance, points 22
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
55 to 61
Iron (Fe), % 68.5 to 73.7
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0 to 1.0
17 to 23
Nickel (Ni), % 0
0 to 5.0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
17 to 23
Residuals, % 0
0 to 0.3