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UNS C41500 Tin Brass

C41500 brass is a brass formulated for primary forming into wrought products. It has a moderately high base cost and a moderately high melting temperature among wrought brasses.

The properties of C41500 brass include eight 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 C41500 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 16 x 106 psi

Elongation at Break

2.0 to 42 %

Poisson's Ratio

0.33

Rockwell B Hardness

62 to 90

Rockwell Superficial 30T Hardness

36 to 75

Shear Modulus

42 GPa 6.1 x 106 psi

Shear Strength

220 to 360 MPa 32 to 52 x 103 psi

Tensile Strength: Ultimate (UTS)

340 to 560 MPa 50 to 81 x 103 psi

Tensile Strength: Yield (Proof)

190 to 550 MPa 28 to 80 x 103 psi

Thermal Properties

Latent Heat of Fusion

200 J/g

Maximum Temperature: Mechanical

180 °C 360 °F

Melting Completion (Liquidus)

1030 °C 1890 °F

Melting Onset (Solidus)

1010 °C 1850 °F

Specific Heat Capacity

380 J/kg-K 0.091 BTU/lb-°F

Thermal Conductivity

120 W/m-K 71 BTU/h-ft-°F

Thermal Expansion

18 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

28 % IACS

Electrical Conductivity: Equal Weight (Specific)

29 % IACS

Otherwise Unclassified Properties

Base Metal Price

30 % relative

Density

8.7 g/cm3 550 lb/ft3

Embodied Carbon

2.8 kg CO2/kg material

Embodied Energy

45 MJ/kg 19 x 103 BTU/lb

Embodied Water

330 L/kg 39 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

11 to 120 MJ/m3

Resilience: Unit (Modulus of Resilience)

160 to 1340 kJ/m3

Stiffness to Weight: Axial

7.1 points

Stiffness to Weight: Bending

18 points

Strength to Weight: Axial

11 to 18 points

Strength to Weight: Bending

12 to 17 points

Thermal Diffusivity

37 mm2/s

Thermal Shock Resistance

12 to 20 points

Alloy Composition

Among wrought copper alloys, the composition of C41500 brass is notable for including tin (Sn). Tin is used to improve strength, bearing properties, and corrosion resistance against certain types of media.

Copper (Cu) 89 to 93
Zinc (Zn) 4.2 to 9.5
Tin (Sn) 1.5 to 2.2
Lead (Pb) 0 to 0.1
Iron (Fe) 0 to 0.050
Residuals 0 to 0.5

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

Followup Questions

Similar Alloys

Further Reading

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993