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. 756-8884
BrandRS PRO
£28.44
Each
Units
SAC305 0.71mm - Wire 217°C 3% 96.5% Rosin Based 250g 3.3% 0.5%
RS Stock No. 756-8904
BrandRS PRO
£11.90
Each
Units
60/40 NC600 0.71mm 40% Wire 183°C - 60% Rosin Based 250g 2.2% -
RS Stock No. 756-8881
BrandRS PRO
£11.57
Each
Units
60/40 NC600 1.27mm 40% Wire 183°C - 60% Rosin Based 250g 2.2% -
RS Stock No. 800-7661
BrandRS PRO
£11.36
Each
Units
- 0.71mm 40% Wire 183°C - 60% Colophony Free- ORL0 250g 2 → 4% -
RS Stock No. 756-8893
BrandRS PRO
£55.94
Each
Units
SAC305 NC600 0.71mm - Wire 217°C 3% 96.5% Rosin Based 500g 2.2% 0.5%
RS Stock No. 818-3204
BrandRS PRO
£4.67
Each
Units
- 0.8mm - - 227°C 3% 96.5% - 100g 3.3% 0.5%
RS Stock No. 756-8913
BrandRS PRO
£29.23
Each
Units
SAC305 NC600 1.27mm - Wire 217°C 3% 96.5% Rosin Based 250g 2.2% 0.5%
RS Stock No. 756-8875
BrandRS PRO
£35.47
Each
Units
SAC305 NC600 0.38mm - Wire 217°C 3% 96.5% Rosin Based 250g 2.2% 0.5%
RS Stock No. 756-8862
BrandRS PRO
£35.68
Each
Units
SN100E NC600 0.81mm - Wire 228°C - 99.5% Rosin Based 500g 3.3% 0.5%
RS Stock No. 756-8871
BrandRS PRO
£22.33
Each
Units
- 0.4mm 40% Wire 183°C - 60% Colophony Free- ORL0 250g 2% -
RS Stock No. 756-8900
BrandRS PRO
£25.30
Each
Units
60/40 NC600 0.71mm 40% Wire 183°C - 60% Rosin Based 500g 2.2% -
RS Stock No. 756-8890
BrandRS PRO
£34.61
Each
Units
60/40 NC600 1.27mm 40% Wire 183°C - 60% Rosin Based 500g 2.2% -
RS Stock No. 800-7664
BrandRS PRO
£18.16
Each
Units
SN100E NC600 1.01mm - Wire 228°C - 99.5% Rosin Based 250g 3.3% 0.5%
RS Stock No. 756-8865
BrandRS PRO
£34.98
Each
Units
SN100E NC600 1.27mm - Wire 228°C - 99.5% Rosin Based 500g 3.3% 0.5%
RS Stock No. 800-7677
BrandRS PRO
£18.40
Each
Units
SN100E NC600 0.81mm - Wire 228°C - 99.5% Rosin Based 250g 3.3% 0.5%
RS Stock No. 756-8897
BrandRS PRO
£54.71
Each
Units
SAC305 NC600 1.27mm - Wire 217°C 3% 96.5% Rosin Based 500g 2.2% 0.5%
RS Stock No. 756-8907
BrandRS PRO
£28.55
Each
Units
60/40 NC600 0.38mm 40% Wire 183°C - 60% Rosin Based 250g 2.2% -
RS Stock No. 800-7658
BrandRS PRO
£14.66
Each
Units
60/40 NC600 1.01mm 40% Wire 183°C - 60% Rosin Based 250g 2.2% -
RS Stock No. 756-8887
BrandRS PRO
£25.53
Each
Units
SN100E NC600 0.38mm - Wire 228°C - 99.5% Rosin Based 250g 3.3% 0.5%
RS Stock No. 800-7668
BrandRS PRO
£18.05
Each
Units
SN100E NC600 1.27mm - Wire 228°C - 99.5% Rosin Based 250g 3.3% 0.5%
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