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As Forged and Air Cooled (M10) C48500 Brass

M10 C48500 brass is C48500 brass in the M10 (as forged and air cooled) condition. The graph bars on the material properties cards below compare M10 C48500 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

100 GPa 15 x 106 psi

Elongation at Break

40 %

Poisson's Ratio

0.31

Rockwell B Hardness

55

Shear Modulus

39 GPa 5.7 x 106 psi

Shear Strength

290 MPa 42 x 103 psi

Tensile Strength: Ultimate (UTS)

430 MPa 62 x 103 psi

Tensile Strength: Yield (Proof)

170 MPa 24 x 103 psi

Thermal Properties

Latent Heat of Fusion

170 J/g

Maximum Temperature: Mechanical

120 °C 240 °F

Melting Completion (Liquidus)

900 °C 1650 °F

Melting Onset (Solidus)

890 °C 1630 °F

Specific Heat Capacity

380 J/kg-K 0.091 BTU/lb-°F

Thermal Conductivity

120 W/m-K 67 BTU/h-ft-°F

Thermal Expansion

21 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

26 % IACS

Electrical Conductivity: Equal Weight (Specific)

29 % IACS

Otherwise Unclassified Properties

Base Metal Price

23 % relative

Density

8.1 g/cm3 500 lb/ft3

Embodied Carbon

2.7 kg CO2/kg material

Embodied Energy

46 MJ/kg 20 x 103 BTU/lb

Embodied Water

330 L/kg 39 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

140 MJ/m3

Resilience: Unit (Modulus of Resilience)

130 kJ/m3

Stiffness to Weight: Axial

7.1 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

15 points

Strength to Weight: Bending

16 points

Thermal Diffusivity

38 mm2/s

Thermal Shock Resistance

14 points

Alloy Composition

Copper (Cu)Cu 59 to 62
Zinc (Zn)Zn 34.3 to 39.2
Lead (Pb)Pb 1.3 to 2.2
Tin (Sn)Sn 0.5 to 1.0
Iron (Fe)Fe 0 to 0.1
Residualsres. 0 to 0.4

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

Followup Questions

Further Reading

ASTM B283: Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed)

ASTM B124: Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes

ASM Specialty Handbook: Copper and Copper Alloys, J. R. Davis (editor), 2001

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015