Soft Solders


Silver-tin alloys offer a number of advantages over tin-lead solders. They have excellent soldering characteristics of alloy flow, aesthetic appearance and wetting. They demonstrate improved strength characteristics over conventional tin-lead alloys, particularly where service at moderately elevated temperatures is a factor. Being lead-free they may be used in plumbing installations and food-handling equipment.

Comsol™ has excellent creep resistance when compared to tin-lead solders at room and elevated temperature.

P40™
Sn
96
Ag
4
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 701
 Melting Range
 221°C
Johnson Matthey's P40™ is a 4% silver-tin soft soldering alloy. P40™ has excellent soldering characteristics and offers a number of advantages over conventional tin-lead alloys. It provides improved strength characteristics particularly where service at moderately elevated temperatures is a factor.
Being lead free, P40™ may be used in plumbing installations, particularly where soft water is in use. P40™ is widely used in food handling equipment where lead contamination must be avoided.
P40™ is a good colour match on stainless steel and the resulting joints are not prone to interfacial (crevice) corrosion. The optimum joint gap for P40™ is 0.075mm.
Plumbsol™
Sn
97.5
Ag
2.5
 
 
 
 
 
 
 
 
 
 
 
 
 -
 -
 Melting Range
 221 - 225°C
Johnson Matthey Plumbsol™ is a 2.5% silver-tin soft soldering filler metal. Like P40™ this alloy is lead free. Plumbsol™ has excellent soldering characteristics and offers a number of advantages over conventional tin-lead alloys. It provides improved strength characteristics particularly where service at moderately elevated temperatures is a factor.
Plumbsol™ is a good colour match on stainless steel and the resulting joints are not prone to interfacial (crevice) corrosion.
The optimum joint gap for Plumbsol™ is 0.075mm.
P5™
Sn
95
Ag
5
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 704
 Melting Range
 221 - 235°C
Johnson Matthey P5™ is a 5% silver-tin soft soldering filler metal. Like P40™ this alloy is lead free. P5™ has excellent soldering characteristics and offers a number of advantages over conventional tin-lead alloys. It provides improved strength characteristics particularly where service at moderately elevated temperatures is a factor.
P5™ is a good colour match on stainless steel and the resulting joints are not prone to interfacial (crevice) corrosion.
The optimum joint gap for P5™ is 0.075mm.
97C
Sn
97
Cu
3
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 402
 Melting Range
 230 - 250°C
Johnson Matthey's 97C™ has a longer melting range than 99C™ and consequently builds up greater fillets and is a better gap filler. It is now being used extensively on automotive radiators.
99C
Sn
99
Cu
1
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 401
 Melting Range
 230 - 240°C
Johnson Matthey's 99C™ is a lead free solder which has a short melting range and good flow characteristics. It has been adopted as the universal plumbers solder.
LM10A™
Sn
87
Ag
10
Cu
3
 
 
 
 
 
 
 
 
 
 
 -
 -
 Melting Range
 214 - 275°C
Information on this product will appear here soon. If you require more information on this product then please submit a request through the contact us section or this web site.
95A
Sn
95
Sb
5
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 201
 Melting Range
 230 - 240°C
This is a tin-antimony soft soldering alloy with good flow characteristics.

JM6236
Ag
2
Sn
62
Pb
36
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 171
 Melting Range
 178 - 190°C
This product is a silver-tin-lead soft soldering alloy. It demonstrates good flow characteristics when molten.
Comsol™
Ag
1.5
Sn
5
Pb
93.5
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 191
 Melting Range
 296°C
Johnson Matthey Comsol™ is a high melting point (296°C) silver-tin-lead soft solder. It can be supplied as a solid wire, as a flux cored wire with rosin, synthetic resin or acid type fluxes and as a specially formulated solder paste.
A25™
Ag
2.5
Pb
97.5
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 181
 Melting Range
 304°C
Johnson Matthey A25™ is a 2.5% silver-lead soldering filler metal. It offers increased strength and creep resistance at elevated temperatures over conventional tin-lead solders. The silver addition improves wetting of A25™ onto copper and copper-based alloys and to a lesser extent on steels. Flow of the alloy is not as good as tin lead alloys. The optimum joint gap for A25™ is 0.2mm.
A5™
Ag
5
Pb
95
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 182
 Melting Range
 304 - 370°C
Johnson Matthey A5™ is a 5% silver-lead soldering filler metal. It offers increased strength and creep resistance at elevated temperatures over conventional tin-lead solders. The silver addition improves wetting of A5™ onto copper and copper-based alloys and to a lesser extent on steels.
Flow of the alloy is not as good as tin lead alloys and the alloy has a long melting range. The optimum joint gap for A5™ is 0.2mm.

JM595
Sn
5
Pb
95
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 123
 Melting Range
 300 - 315°C
This product is a tin-lead soft soldering alloy. It demonstrates sluggish flow characteristics when molten.
JM1090
Sn
10
Pb
90
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 122
 Melting Range
 268 - 302°C
This is a 10% tin-lead solder. It has a high melting range and has only limited use today.
JM1585
Sn
15
Pb
85
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 121
 Melting Range
 225 - 290°C
This product is a tin-lead soft soldering alloy. It demonstrates sluggish flow characteristics when molten.




JM2080
Sn
20
Pb
80
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 117
 Melting Range
 183 - 275°C
This product is a tin-lead soft soldering alloy. It demonstrates sluggish flow characteristics when molten.

JM3070
Sn
30
Pb
70
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 116
 Melting Range
 185 - 255°C
This product is a tin-lead soft soldering alloy. It demonstrates sluggish flow characteristics when molten.

JM3565
Sn
35
Pb
65
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 115
 Melting Range
 183 - 245°C
This product is a tin-lead soft soldering alloy. It demonstrates sluggish flow characteristics when molten.


JM4060
Sn
40
Pb
60
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 114
 Melting Range
 183 - 235°C
This product is a tin-lead soft soldering alloy. It demonstrates sluggish flow characteristics when molten.

JM4552
Sn
45
Pb
52.5
 
 
 
 
 
 
 
 
 
 
 
 
 -
 -
 Melting Range
 185 - 215°C
This product is a tin-lead-antimony soft soldering alloy. It demonstrates sluggish flow characteristics when molten.


JM4555
Sn
45
Pb
55
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 113
 Melting Range
 183 - 224°C
This product is a tin-lead soft soldering alloy. It demonstrates sluggish flow characteristics when molten.
JM5050
Sn
50
Pb
50
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 112
 Melting Range
 183 - 215°C
This product is a tin-lead soft soldering alloy. It demonstrates medium flow characteristics when molten.
JM5840
Sn
40
Pb
58
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 134
 Melting Range
 185 - 231°C
This product is a tin-lead-antimony soft soldering alloy. It demonstrates sluggish flow characteristics when molten.
JM5941
Sn
59
Pb
41
 
 
 
 
 
 
 
 
 
 
 
 
 -
 -
 Melting Range
 183 - 190°C
This product is a tin-lead soft soldering alloy. It demonstrates good flow characteristics when molten.
JM6040
Sn
60
Pb
40
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 103
 Melting Range
 183 - 190°C
This product is a tin-lead soft soldering alloy. It demonstrates good flow characteristics when molten.
JM6337
Sn
63
Pb
37
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 102
 Melting Range
 183°C
This product is a tin-lead soft soldering alloy. It demonstrates good flow characteristics when molten.

LM118E™
In
52
Sn
48
 
 
 
 
 
 
 
 
 
 
 
 
 ISO 9453
 Alloy No. 601
 Melting Range
 118°C
Information on this product will appear here soon. If you require more information on this product then please submit a request through the contact us section or this web site.
LM149E™
In
80
Pb
15
Ag
5
 
 
 
 
 
 
 
 
 
 
 -
 -
 Melting Range
 149 - 154°C
Information on this product will appear here soon. If you require more information on this product then please submit a request through the contact us section or this web site.
LM157E™
In
100
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 -
 -
 Melting Range
 157°C
Information on this product will appear here soon. If you require more information on this product then please submit a request through the contact us section or this web site.
LM195™
In
58
Pb
39
Ag
3
 
 
 
 
 
 
 
 
 
 
 -
 -
 Melting Range
 165 - 195°C
Information on this product will appear here soon. If you require more information on this product then please submit a request through the contact us section or this web site.
LM210™
In
50
Pb
50
 
 
 
 
 
 
 
 
 
 
 
 
 -
 -
 Melting Range
 184 - 210°C
Information on this product will appear here soon. If you require more information on this product then please submit a request through the contact us section or this web site.

 
Johnson Matthey & Brandenberger AG - Tel.-Nr. +41 44 307 1930 - Email: gerneral_request@jmmetaljoining.com
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