UNS C36000 (CW603N) Free-Cutting Brass

Copper Alloys

Material conditionO60 (soft annealed)

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8.2g/cm³

Elastic Modulus100GPa

Tensile Strength330MPa

Yield Strength140MPa

Brinell HardnessUnknown

Maximum Service Temperature120°C

Weight Calculator

Chemical Composition

CuZn36Pb3 ( CW603N ) Copper-zinc-lead alloy Chemical composition. Equivalents of CuZn36Pb3 ( CW603N ). Standards.1 Mechanical Properties. Hardness%

60 to 63%

2.5 to 3.7%

RES.

Residuals res. | | 0 to 0.5%

RESIDUALS RES.

0 to 0.5%

32.5 to 37.5%

0 to 0.35%

Mechanical

Elastic (Young's, Tensile) Modulus

100 GPa

Elongation at Break

23 %

Poisson's Ratio

0.31

Shear Modulus

39 GPa

Shear Strength

210 MPa

Tensile Strength: Ultimate (UTS)

330 MPa

Tensile Strength: Yield (Proof)

140 MPa

Physical

Density

8.2 g/cm 3

Thermal

Latent Heat of Fusion

170 J/g

Maximum Temperature: Mechanical

120 °C

Melting Completion (Liquidus)

900 °C

Melting Onset (Solidus)

890 °C

Specific Heat Capacity

380 J/kg-K

Thermal Conductivity

120 W/m-K

Thermal Diffusivity

37 mm 2 /s

Thermal Expansion

21 µm/m-K

Thermal Shock Resistance

11 points

Electrical

Electrical Conductivity: Equal Volume

26 % IACS

Electrical Conductivity: Equal Weight (Specific)

29 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

62 MJ/m 3

Resilience: Unit (Modulus of Resilience)

89 kJ/m 3

Stiffness to Weight: Axial

7.0 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

11 points

Strength to Weight: Bending

13 points

Environmental

Base Metal Price

23 % relative

Embodied Carbon

2.6 kg CO 2 /kg material

Embodied Energy

45 MJ/kg

Embodied Energy

45 MJ/kg 19 x 10 3 BTU/lb

Embodied Water

320 L/kg

Embodied Water

320 L/kg 38 gal/lb

Registered Designations & Aliases

C36000CW603NCW603NCuZn36Pb3UNS C36000 (CW603N) Free-Cutting Brass

Standards

ASTM B16 ASTM B16: Standard Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw Machines

ASTM B16 ASTM B16: Standard Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw Machines Copper: Its Trade, Manufacture, Use, and Environmental Status, Gunter Joseph, 2001 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993

EN 12164 EN 12164: 1998 Copper and copper alloys. Rod for free machining purposes

EN 12166 EN 12166: 1998 Copper and copper alloys. Wire for general purposes

EN 12167 EN 12167: 1998 Copper and copper alloys. Profiles and rectangular bar for general purposes

EN 12168 EN 12168: 1998 Copper and copper alloys. Hollow rod for free machining purposes

EN 12449 EN 12449: 1999 Copper and copper alloys. Seamless, round tubes for general purposes