Welding wire we are the prfessioanl manufactory load in Ningbo of China for the Lead-free Tin solder wire
SSTS lead-free tin solder wire /bar
With the dmands of the Europe rule of Law WEEEand RoHS to discard the use of lead in the electronic soldering, Jpan is also making its efforts to Obtain of the same goal ASAP,and the Appplication free of lead has represented a rapod progress around the world.
It is indubitable that soldering free of lead brings some challenged,and the alloy free of lead to be defined as a prefered material for a general assembly is very newly, and relevant technial limits dare are still making a further demonstration.
Both two main alloys are variants of the Sn-Ag-Cuand Sn-Cu alloy.
With time passed ,soldering free of leas has come into being today, we SSTS company have approached the reality. From orinally more than one hundred alloys free of lead to be concerned to knowadays only afew tens being used, now soldering free of lead has beedn defined correctly, with much efficient and no degradation to production process parameters, and soldering free of lead has been the main flow of the day.
So, ssts co., develop and produce the lead-free solder alloy as follow:
Standard | Alloy composition % | Solid phase tem and Liquid phase Tem. | |||
Sn | Cu | Ag | Ni | (°C) | |
YWB05 | 99.5 | 0.5 |
|
| 227 |
YWB07 | 99.3 | 0.7 |
|
| 227~229 |
YWB30 | 97 | 3 |
|
| 227 |
YWB100 | 99 | 0.7 |
| Sb:0.3 | 227~229 |
YWB110 | 99.5 | 0.5 |
| 0.05 | 227~230 |
YWB120 | 95 |
|
| Sb:5 | 240~243 |
YWB3500 | 96.5 |
| 3.5 |
| 217~220 |
YWB0307 | 99 | 0.7 | 0.3 |
| 217~220 |
YWB3508 | 95.7 | 0.8 | 3.5 |
| 227~228 |
YWB3005 | 96.5 | 0.5 | 3 |
| 217~220 |
Above serveral kinds of products are the leading sales produts of SSTS co.,ltd,if the customers have special request, the products will customized upon the customers wills.
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