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UNS C26200 Yellow Brass

C26200 brass is a brass formulated for primary forming into wrought products. It can have the highest ductility among the wrought brasses in the database.

The properties of C26200 brass include nine common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare C26200 brass to: wrought brasses (top), all copper alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

110 GPa 15 x 106 psi

Elongation at Break

3.0 to 180 %

Poisson's Ratio

0.31

Rockwell B Hardness

55 to 93

Rockwell Superficial 30T Hardness

26 to 78

Shear Modulus

41 GPa 5.9 x 106 psi

Shear Strength

230 to 390 MPa 34 to 57 x 103 psi

Tensile Strength: Ultimate (UTS)

330 to 770 MPa 48 to 110 x 103 psi

Tensile Strength: Yield (Proof)

110 to 490 MPa 17 to 71 x 103 psi

Thermal Properties

Latent Heat of Fusion

180 J/g

Maximum Temperature: Mechanical

140 °C 280 °F

Melting Completion (Liquidus)

950 °C 1750 °F

Melting Onset (Solidus)

920 °C 1680 °F

Specific Heat Capacity

390 J/kg-K 0.092 BTU/lb-°F

Thermal Conductivity

120 W/m-K 70 BTU/h-ft-°F

Thermal Expansion

20 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

28 % IACS

Electrical Conductivity: Equal Weight (Specific)

31 % IACS

Otherwise Unclassified Properties

Base Metal Price

25 % relative

Density

8.2 g/cm3 510 lb/ft3

Embodied Carbon

2.7 kg CO2/kg material

Embodied Energy

45 MJ/kg 19 x 103 BTU/lb

Embodied Water

320 L/kg 38 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

19 to 160 MJ/m3

Resilience: Unit (Modulus of Resilience)

62 to 1110 kJ/m3

Stiffness to Weight: Axial

7.2 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

11 to 26 points

Strength to Weight: Bending

13 to 23 points

Thermal Diffusivity

38 mm2/s

Thermal Shock Resistance

11 to 26 points

Alloy Composition

Among wrought copper alloys, the composition of C26200 brass is notable for containing comparatively high amounts of lead (Pb) and iron (Fe). Lead is used to improve machinability and bearing properties, at the cost of toxicity. Iron is used to increase strength inexpensively.

Copper (Cu)Cu 67 to 70
Zinc (Zn)Zn 29.6 to 33
Lead (Pb)Pb 0 to 0.070
Iron (Fe)Fe 0 to 0.050
Residualsres. 0 to 0.3

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

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