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COPPER PHOSPHORUS BRAZING ALLOYS

Self fluxing copper based brazing alloys containing phosphorus thereby facilitating brazing on copper to copper in air without the use of a flux. Use of flux recommended for copper alloys like brass and bronze. For improved ductility and electrical conductivity silver containing lower phosphorus alloys also available. Widely used in refrigeration, air conditioning and plumbing industry.

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Jay Alloys

Nominal Composition %

Melting

Standerds

Range

Indian

International

Usage / Application

°C

IS:2927

BS:1845

DIN:8513

AWS:A5.8

JAAg15P5

650-800

BaCuP-5

CP1

L-Ag15P

BCuP-5

It has low melting point with good flow. Used where narrow joint include uneven junctions, refrigeration industry, on parts such as cuplings, manifolds, brass distributors

JAAg6P6

695-795

BCuP-4

It is with low melting range where temperature is a factor. Fast flow, very fluid at brazing temperature and will penetrate joints with small clearances.

JAAg5P6

650-810

BaCuP-4

CP4

L-Ag5P

BCuP-3

It is same as Silver 15 and economic.Used largely in the refrigeration and air conditioning industry.

JAAg2P65

91.5

6.5

650-810

BaCuP-3

CP2

L-Ag2P

BCuP-6

Extensively used in manufacturing of Rotors for Submersible Motors.

JAAg1P65

92.5

6.5

650-810

It fills moderate gaps in poorly fit joints and has good flow. It has the ability to fill wide joint clearances at the lower end of its brazing range. At the high end of the brazing range, it is more fluid. Recommended for sanitory and refrigerating installations.

JACu927P73

92.7

7.3

705-800

BaCuP-2

CP3

L-CuP7

BCuP-2

It is a low cost alloy with wide melting range and low fluidity. Used in sanitory, refrigeration and air conditioning industry.

JACu938P62

93.8

6.2

710-880

BaCuP-1

CP6

L-CuP6

It is the most economical and used where the joint clearance is wider. Flow is sluggish.