Solder

Solder is a metal alloy with a low melting temperature point. It is used to permanently join two metals with a higher melting point. Soldering is a process commonly used in the electronics industry for PCBs, jewellery manufacturing and pipework in plumbing. Solder is to be used alongside a soldering iron for hand soldering.


What forms of solder are there?


The majority of solder comes in wire form. There is a range of wire diameters available to suit various applications and joints. Solder granules are ideal for soldering machines and tinning crucibles. They are small pellets of solder popular for jewellery making too. Paste solder is ideal for use in printed circuit boards (PCBs) and connecting surface mount electronic components. It is a sticky paste which is applied to a board by printing or painting.


What metal is used in solder?


Solder is made using a mixture of metals. A popular combination is 60/40 solder; 60% tin and 40% lead. There are other percentages of tin and lead available too. Silver is also used in solder for higher temperatures to create stronger joints, also known as silver soldering, hard soldering or silver brazing.


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Description Price Model Number Wire Diameter Percent Lead Product Form Melting Point Percent Silver Percent Tin Flux Type Product Weight Flux Content Percent Percent Copper
RS Stock No. 420-3180
Mfr. Part No.18.841.03037
SGD107.76
Each
units
ISO-Core RA 1mm - Wire 217°C 3.8% 95.5% Rosin Based 500g 2.5% 0.7%
RS Stock No. 104-7319
Mfr. Part No.18.720.72037
SGD49.90
Each
units
- 0.75mm 36% Wire 179°C 2% 62% Rosin Based 250g 2.5% -
RS Stock No. 104-7561
Mfr. Part No.20.061.02037
SGD34.81
Each
units
- 1mm 93% Wire 296°C 2% 5% Rosin Based 250g 3.5% 0%
RS Stock No. 104-7448
Mfr. Part No.20.600.72037
SGD20.44
Each
units
- 0.75mm 40% Wire 183°C - 60% Rosin Based 250g 3.5% -
RS Stock No. 104-7454
Mfr. Part No.20.601.01037
SGD13.14
Each
units
- 1mm 40% Wire 183°C - 60% Rosin Based 100g 3.5% -
RS Stock No. 104-7511
Mfr. Part No.20.601.53037
SGD43.91
Each
units
- 1.5mm 40% Wire 183°C - 60% Rosin Based 500g 3.5% -
RS Stock No. 136-3152
Mfr. Part No.52760520
SGD64.58
Each
units
52760520 0.5mm - Wire 217°C 3% 96.5% Colophony (Rosin) Free 250g 3.5% 0.5%
RS Stock No. 104-7246
Mfr. Part No.18.601.53037
SGD42.94
Each
units
- 1.5mm 40% Wire 183°C - 60% Rosin Based 500g 2.5% -
New
RS Stock No. 201-3547
Mfr. Part No.51761020 37
SGD55.28
Each
units
- 0.75mm - Wire 217° C - - - 250g 3.5% -
RS Stock No. 104-7268
Mfr. Part No.18.602.02037
SGD24.45
Each
units
- 2mm 40% Wire 183°C - 60% Rosin Based 250g 2.5% -
New
RS Stock No. 201-3549
Mfr. Part No.5551940720 37
SGD34.99
Each
units
- 0.75mm - Wire 227°C - - - 250g 3.5% -
RS Stock No. 104-7498
Mfr. Part No.20.601.51037
SGD13.33
Each
units
- 1.5mm 40% Wire 183°C - 60% Rosin Based 100g 3.5% -
RS Stock No. 136-3151
Mfr. Part No.555294102037
SGD35.94
Each
units
555294102037 1mm - Wire 227°C - 99.3% Colophony (Rosin) Free 250g 3.5% 0.7%
RS Stock No. 104-7432
Mfr. Part No.20.600.52037
SGD34.45
Each
units
- 0.5mm 40% Wire 183°C - 60% Rosin Based 250g 3.5% -
New
RS Stock No. 201-3550
Mfr. Part No.5551941020 37
SGD32.31
Each
units
- 0.5mm - Wire 227°C - - - 250kg 3.5% -
RS Stock No. 104-7195
Mfr. Part No.18.601.03037
SGD43.64
Each
units
- 1mm 40% Wire 183°C - 60% Rosin Based 500g 2.5% -
RS Stock No. 104-7151
Mfr. Part No.18.600.52037
SGD24.48
Each
units
- 0.5mm 40% Wire 183°C - 60% Rosin Based 250g 2.5% -
RS Stock No. 104-7252
Mfr. Part No.18.601.54037
SGD77.21
Each
units
- 1.5mm 40% Wire 183°C - 60% Rosin Based 1000g 2.5% -
New
RS Stock No. 201-3548
Mfr. Part No.5551940520 37
SGD40.89
Each
units
- 0.5mm - Wire 217° C - - - 250g 3.5% -
RS Stock No. 136-3153
Mfr. Part No.52760720
SGD54.25
Each
units
52760720 0.75mm - Wire 217°C 3% 96.5% Colophony (Rosin) Free 250g 3.5% 0.5%