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
$112.64
Each
units
ISO-Core RA 1mm 0% Wire 217°C 3.8% 95.5% Rosin Based 500g 2.5% 0.7%
RS Stock No. 136-3153
Mfr. Part No.52760720
$64.91
Each
units
52760720 0.75mm 0.07% Wire 217°C 3% 96.5% Colophony (Rosin) Free 250g 3.5% 0.5%
RS Stock No. 104-7325
Mfr. Part No.18.721.02037
$49.21
Each
units
- 1mm 36% Wire 179°C 2% 62% Rosin Based 250g 2.5% 0%
RS Stock No. 104-7268
Mfr. Part No.18.602.02037
$26.01
Each
units
- 2mm 40% Wire 183°C 0% 60% Rosin Based 250g 2.5% 0%
RS Stock No. 104-7218
Mfr. Part No.18.601.04037
$88.14
Each
units
- 1mm 40% Wire 183°C 0% 60% Rosin Based 1000g 2.5% 0%
RS Stock No. 136-3154
Mfr. Part No.52761020
$58.10
Each
units
52761020 1mm 0.07% Wire 217°C 3% 96.5% Colophony (Rosin) Free 250g 3.5% 0.5%
RS Stock No. 104-7432
Mfr. Part No.20.600.52037
$37.86
Each
units
- 0.5mm 40% Wire 183°C 0% 60% Rosin Based 250g 3.5% 0%
RS Stock No. 104-7296
Mfr. Part No.18.061.02037
$37.03
Each
units
- 1mm 93% Wire 296°C 2% 5% Rosin Based 250g 2.5% 0%
RS Stock No. 104-7606
Mfr. Part No.20.721.02037
$50.27
Each
units
- 1mm 36% Wire 179°C 2% 62% Rosin Based 250g 3.5% 0%
RS Stock No. 104-7577
Mfr. Part No.20.720.52037
$59.64
Each
units
- 0.5mm 36% Wire 179°C 2% 62% Rosin Based 250g 3.5% 0%
RS Stock No. 104-7151
Mfr. Part No.18.600.52037
$36.04
Each
units
- 0.5mm 40% Wire 183°C 0% 60% Rosin Based 250g 2.5% 0%
RS Stock No. 104-7230
Mfr. Part No.18.601.52037
$26.25
Each
units
- 1.5mm 40% Wire 183°C 0% 60% Rosin Based 250g 2.5% 0%
RS Stock No. 322-2916
Mfr. Part No.12.780.12037
$13.893
Each (In a Pack of 10)
units
- - 37% Stick 183°C 0% 63% - 250g 0% 0%
RS Stock No. 136-3148
Mfr. Part No.555294052037
$47.01
Each
units
555294052037 0.5mm 0.07% Wire 227°C 0.06% 99.3% Colophony (Rosin) Free 250g 3.5% 0.7%
RS Stock No. 104-7195
Mfr. Part No.18.601.03037
$47.42
Each
units
- 1mm 40% Wire 183°C 0% 60% Rosin Based 500g 2.5% 0%
RS Stock No. 104-7189
Mfr. Part No.18.601.02037
$26.60
Each
units
- 1mm 40% Wire 183°C 0% 60% Rosin Based 250g 2.5% 0%
RS Stock No. 104-7460
Mfr. Part No.20.601.02037
$26.60
Each
units
- 1mm 40% Wire 183°C 0% 60% Rosin Based 250g 3.5% 0%
RS Stock No. 104-7173
Mfr. Part No.18.601.01037
$14.33
Each
units
- 1mm 40% Wire 183°C 0% 60% Rosin Based 100g 2.5% 0%
RS Stock No. 104-7167
Mfr. Part No.18.600.72037
$29.71
Each
units
- 0.75mm 40% Wire 183°C 0% 60% Rosin Based 250g 2.5% 0%
RS Stock No. 104-7561
Mfr. Part No.20.061.02037
$37.03
Each
units
- 1mm 93% Wire 296°C 2% 5% Rosin Based 250g 3.5% 0%