Jo flux

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Brazing Alloys And Suggested Fluxes Chart

Silver Brazing Alloys Bearing Cadmium

NOMINAL COMPOSITION % MELTING RANGE SUGGESTED FLUXES
Ag Cu Zn Cd - - - Solidus ⁰C Liquidus ⁰C  
50 15 16 19 - - - 620 640 Lomelt 50
45 15 16 24 - - - 607 618
43 16 20 21 - - - 615 620 Lomelt A
40 19 21 20 - - - 595 630
38 20 22 20 - - - 605 650 Lomelt 58
35 26 21 18 - - - 605 700
30 28 21 21 - - - 600 690
25 30 27.5 17.5 - - - 607 682 Lomelt B
25 35 26.5 13.5 - - - 605 745 Lomelt 55
20 40 25 15 - - - 605 765 Lomelt 58
17 41 26 16 - - - 620 760 Lomelt 59
12 50 31 7 - - - 620 825 Lomelt 60

Silver Brazing Alloys Cadmium Free With Tin

NOMINAL COMPOSITION % MELTING RANGE SUGGESTED FLUXES
Ag Cu Zn Sn - - - Solidus ⁰C Liquidus ⁰C  
56 22 17 5 - - - 618 652 Lomelt B
55 21 22 2 - - - 630 660
45 27 25 3 - - - 640 680 Lomelt 55
40 30 28 2 - - - 650 710 Lomelt 58
38 32 28 2 - - - 650 720 Lomelt A
34 36 27 3 - - - 630 730
30 36 32 2 - - - 665 755 Lomelt 59
25 40 33 2 - - - 680 760 Lomelt 60
18 50 30 2 - - - 720 790

Silver Brazing Alloys Cadmium Free

NOMINAL COMPOSITION % MELTING RANGE SUGGESTED FLUXES
Ag Cu Zn Sn - - - Solidus ⁰C Liquidus ⁰C  
50 34 16 - - - - 688 744 Lomelt B
45 30 25 - - - - 670 740 Lomelt 58
40 30 30 - - - - 675 725 Lomelt 55
35 32 33 - - - - 680 750
30 38 32 - - - - 680 765 Lomelt 59
25 41 34 - - - - 700 800 Lomelt 60
20 44 35.9 0.1 - - - 690 810
12 48 40 - - - - 800 830 Oxiflux 630

Silver Brazing Alloys For Tungsten Carbide Tipped Tools

NOMINAL COMPOSITION % MELTING RANGE SUGGESTED FLUXES
Ag Cu Zn Ni Mn Cd - Solidus ⁰C Liquidus ⁰C  
50 15.5 15.5 3 - 16 - 630 690 Oxiflux
50 20 28 2 - - - 660 750 Oxiflux 600
49 27.5 20.5 0.5 2.5 - - 670 690 Oxiflux 630
49 16 23 4.5 7.5 - - 625 705
40 30 28 2 - - - 670 779 Oxiflux 650
27 38 20 5.5 9.5 - - 680 830 Oxiflux 630
25 38 33 2 2 - - 707 801

Silver - Copper - Phosphorous Brazing Alloys

NOMINAL COMPOSITION % MELTING RANGE SUGGESTED FLUXES
Ag Cu p - - - - Solidus ⁰C Liquidus ⁰C  
18 75 7 - - - - 645 650 Lomelt A
15 80 5 - - - - 650 800
6 87 7 - - - - 643 718 Lomelt 58
5 89 6 - - - - 650 810
2 91 7 - - - - 643 788 Lomelt B
2 91.4 6.6 - - - - 643 824
1 92.5 6.5 - - - - 650 810 Lomelt 57
- 92.7 7.3 - - - - 710 820
- 93.8 6.2 - - - - 710 880  

Brass Brazing / Bronze Brazing Alloys

NOMINAL COMPOSITION % MELTING RANGE SUGGESTED FLUXES
Cu Zn Si Mn Sn Ni others Solidus ⁰C Liquidus ⁰C  
60 39.7 0.3 - - - - 890 900 Bronze Flux
60 39.6 0.2 0.2 - - - 900 915 Brass Flux
59 39.7 0.2 - 1 - - 888 899 Braze Flux
58 39.4 0.1 0.3 0.9 0.6 0.7fe 866 882
50 39.7 0.3 - - 10 - 890 920  
50 39.7 - 0.3 - 9 1 Ag 890 920 Braze Flux
57 39 - 2 - - 2co 890 930 Ht Flux
55 35 - 4 - 6 - 880 920