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C99400 Brass vs. EN 1.4903 Stainless Steel

C99400 brass belongs to the copper alloys classification, while EN 1.4903 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C99400 brass and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
75
Tensile Strength: Ultimate (UTS), MPa 460 to 550
670 to 680
Tensile Strength: Yield (Proof), MPa 230 to 370
500

Thermal Properties

Latent Heat of Fusion, J/g 230
270
Maximum Temperature: Mechanical, °C 200
650
Melting Completion (Liquidus), °C 1070
1460
Melting Onset (Solidus), °C 1020
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 17
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.0
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 45
36
Embodied Water, L/kg 310
88

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
650
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 15 to 17
24
Strength to Weight: Bending, points 15 to 17
22
Thermal Shock Resistance, points 16 to 19
23

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0 to 0.040
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 83.5 to 96.5
0 to 0.3
Iron (Fe), % 1.0 to 3.0
87.1 to 90.5
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 1.0 to 3.5
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.5 to 2.0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0.5 to 5.0
0
Residuals, % 0 to 0.3
0