CW614N

Brass

DESCRIPTION

CW614N is a high speed machining brass is ideal for the very rapid production of components in automatic lathes. Due to the inclusion of lead in its composition and also has superior machinability.

CW614N's (CZ121) machinability rating of 100 is the standard against which all copper alloys are rated. It offers good strength, is easily soldered or brazed and has good resistance to corrosion which makes it the ideal choice for many brass components throughout industry.

USES

  • Nuts and Bolts
  • Domestic hardware
  • Valves & Fittings
  • Pneumatics and hydraulics
  • Screws

FABRICATION PROPERTIES

Joining Technique Suitability
Soldering Fair
Gas Shielded Arc Welding Fair
Capacity for Being Cold Worked Poor
Capacity for Being Hot Worked Good
Machinability Rating 50

CHEMICAL COMPOSITION

Cu Al Fe Ni Pb Sn Zn Others Total
Min/Max 57.0 –
59.0
0.05
max
0.3
max
0.3
max
2.5-
3.5
0.3
max
Rem 0.2
max

MECHANICAL PROPERTIES

Material Condition Nominal Diameter or
Width Across-Flats (mm)
From
Up to and including
Tensile
Strength
Rm
N/mm2
min.
0.2% Proof Strength Rp0.2 N/mm2 approx. Elongation A % min. Hardness HB
min.
max.
M 3 80 As Manufactured
R490 5 40 490 (300) 20
H120 5 40 120 150
R550 5 14 550 (400) 10
H150 5 14 150

PHYSICAL PROPERTIES

Metric
Density 8.28 gm/cm3 at 20 C
Electrical Resistivity 9.6 microhm-cm at 20 C
Electrical Conductivity 0.059 MegaSiemens/cm at 20 C
Thermal Conductivity 50 W/m •°K at 20 C
Coefficient of Thermal Expansion 20.7•10-6 per °C (20-300 C)
Modulus of Elasticity in Tension 93000 MPa
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