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AWS ER90S-B9 vs. C69430 Brass

AWS ER90S-B9 belongs to the iron alloys classification, while C69430 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-B9 and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18
17
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
42
Tensile Strength: Ultimate (UTS), MPa 690
570
Tensile Strength: Yield (Proof), MPa 470
280

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 25
26
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 37
44
Embodied Water, L/kg 91
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 570
340
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 6.9
7.7
Thermal Shock Resistance, points 19
20

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Arsenic (As), % 0
0.030 to 0.060
Carbon (C), % 0.070 to 0.13
0
Chromium (Cr), % 8.0 to 10.5
0
Copper (Cu), % 0 to 0.2
80 to 83
Iron (Fe), % 84.4 to 90.7
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 0.85 to 1.2
0
Nickel (Ni), % 0 to 0.8
0
Niobium (Nb), % 0.020 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.15 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.010
0
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
11.4 to 16.5
Residuals, % 0
0 to 0.5