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C37700 CuZn39Pb2 Free Cutting Brass Bar

Brass is an alloy mainly consisting of copper and zinc. Brass alloys can be easily shaped and are available in various colors. Brass has high thermal conductivity. UNS C37700 forging brass alloys have good forgeability.

They are available in the form of rod.The following datasheet gives details about UNS C37700 brass alloys.

Description

Brass is an alloy mainly consisting of copper and zinc. Brass alloys can be easily shaped and are available in various colors. Brass has high thermal conductivity. UNS C37700 forging brass alloys have good forgeability.

They are available in the form of rod.The following datasheet gives details about UNS C37700 brass alloys.

CHEMICAL COMPOSITION

Elements

Min(%)

Max(%)

Cu

58.00

61.00

Pb

1.50

2.50

Fe

-

0.30

Total Others

-

0.50

Zn

Remainder

MECHANICAL PROPERTIES ACCORDING TO ASTM B124

Mechanical Property requirement, if any, are to be established by agreement between the manufacturer and the purchaser.

PHYSICAL PROPERTIES

Melting Point -Liquidus°F

1640

Melting Point -Solidus°F

1620

Density lb/cu in.at 68°F

0.305

Specific Gravity

8.44

Electrical Conductivity %IACS at 68°F

27

Thermal Conductivity Btu/ sq ft/ft hr/°F at 68°F

69

Coefficient of Thermal Expansion 68-57210-6 per°F(68-572°

11.5

Specific Heat Capacity Btu/lb /°F at 68°F

0.09

Modulus of Elasticity in Tension ksi

15000

Modulus of Rigidity ksi

5600

FABRICATION PROPERTIES

Technique

Suitability

Soldering

Excellent

Brazing

Good

Oxyacetylene Welding

Not Recommended

Gas shielded Are Welding

Not Recommended

Coated Metal Are Welding

Not Recommended

Spot Weld

Not Recommended

Seam  Weld

Not Recommended

Butt Weld

Fair

Capacity for Being Cold Worked

Poor

Capacity for Being Hot Formed

Excellent

Forgeability Rating

100

Machinability Rating

80

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