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Soldering Alloys

CEAC Solder Alloys are produced to yield high-purity, low-oxygen, spherical metal powders.

Strength and reliability, over long periods of time, are guaranteed by the accurate compositions of CEAC's solder alloys. The choice of the alloy depends primarily on the properties of the base metal. The selection of the solder alloy is also dependent on the method of application. Factors such as melting point, plastic range, speed of wetting, ability to wet, flow and bond to different metals and also appearance after soldering must be considered when selecting the proper alloy.

Lead-free alloys
Our standard and custom formulations are increasingly in demand. CEAC can satisfy all customer requirements.

Tin-lead
This the largest single group and the most widely used of the soldering alloys. Most metals can be joined with these alloys ideally with clearances of 0.003 to 0.0005 in. Tin-lead solders are compatible with all types of base-metal cleaners, fluxes, and heating methods. Increasing the tin content of these solders produces better wetting and flow characteristics. Thus, when less tin is used, greater care should be exercised in surface preparation of the metals to be joined.

Other Solder Groups available:

Tin-Lead Antimony Cadmium-Zinc
Tin-Silver Zinc-Aluminum
Tin-Antimony Indium Solders
Lead-Silver Fusible Alloys
Tin-Zinc


Tin Lead Alloys
CEAC Alloy
Nominal Composition
Temperature
Liquidus
Solidus
Degrees F
Degrees F
LTS-1
Sn 43
Pb 43
Bi 14
290
310
LTS-2
Sn 63
Pb 37
361
361
LTS-3
Sn 62
Pb 36
Ag 2
350
372
LTS-4
Sn 70
Pb 30
361
378
LTS-5
Sn 60
Pb 40
361
374
LTS-6
Sn 50
Pb 50
361
421
LTS-7
Sn 45
Pb 55
361
441
LTS-8
Sn 40
Pb 60
361
460
LTS-9
Sn 35
Pb 65
361
477
LTS-10
Sn 30
Pb 70
361
491
LTS-11
Sn 25
Pb 75
361
511
LTS-12
Sn 20
Pb 80
361
531
LTS-13
Sn 10
Pb 90
527
570
LTS-14
Sn 1
Pb 97.5
Ag 1.5
588
588
LTS-14A
Sn 10
Pb 88
Ag 2
514
576
LTS-15
Sn 5
Pb 95
518
594

Lead Free Alloys
CEAC Alloy
NominalComposition
Temperature
Liquidus
Solidus
Degrees F
Degrees F
LTS-16
Sn 96.5
Ag 3.5
430
430
LTS-17
Sn 95.0
Sb 5.0
452
464
LTS-18
Sn 100.0
450
450
LTS-19
Sn 95.0
Ag 5.0
430
473

Antimony Alloys
CEAC Alloy
NominalComposition
Temperature
Liquidus
Solidus
Degrees F
Degrees F
LTS-20
Sn 20.0
Pb 79.0
Sb 1.0
363
517
LTS-21
Sn 25.0
Pb 73.7
Sb 1.3
364
504
LTS-22
Sn 30.0
Pb 68.4
Sb 1.6
364
482
LTS-23
Sn 35.0
Pb 63.2
Sb 1.8
365
470
LTS-24
Sn 40.0
Pb 58.0
Sb 2.0
365
448


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