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Solder Series wire
Introduction
The solder wires are manufactured with the R flux which matched the composition of the purified lead-free solders. There is no damage to sensitive component. A variety of alloy composition of solder wires can be provided for users. It meets the requirements of RoHS and REACH.
Characteristics
The halgen content complies with relevant laws and regulations, the special non-halogen active materials can offer excellent fluidity.
3-6、Guidance for the selection of solder wires
3-6-1 Sn-Cu Alloys
| Series | Composition | Melting Point/Solidus | With Flux core | No Flux core | Recommendation |
| WH-10 | S-Sn99.90 | 232 232 | ● | ● | |
| WH-22 | S-Sn99.7Cu0.3 | 227 227 | ● | ● | |
| WH-23 | S-Sn99.3Cu0.7 | 227 227 | ● | ● | Used widly |
| WH-24 | S-Sn99Cu1 | 227 240 | ● | ● | |
| WH-25 | S-Sn97Cu3 | 227 275 | ● | ● | |
| WH-323 | S-Sn99Cu0.6Ni0.4 | 226 226 | — | ● | |
| WH-335 | S-Sn96.75Cu3Ni0.25 | — | ● | ● |
3-6-2 Sn-Ag Alloys
| Series | Composition | Melting point/Solidus | With flux core | No flux core | Recommendation |
| WH-26 | S-Sn97Ag3 | 221 200 | ● | ● | |
| WH-27 | S-Sn96.5Ag3.5 | 221 221 | ● | ● |
3-6-3 Sn-Ag-Cu Alloys
| Series | Composition | Melting point/Solidus | with flux core | No flux core | Recommendation |
| WH-316 | S-Sn97Ag1Cu2 | — | ● | ● | |
| WH-326 | S-Sn96.5Ag3Cu0.5Ce | 217 219 | ● | ● | For the slap-up products |
| WH-327 | S-Sn95.5Ag3.5Cu1 | 218 218 | ● | ● | |
| WH-373 | S-Sn99Cu0.7Ag0.3 | 218 218 | ● | ● | For general products |
| WH-402 | S-Sn96.5Ag2Cu1Sb0.5 | 216 222 | ● |
3-6-4 Sn-Bi-X Alloys
| Series | Composition | Melting point/Solidus | with flux core | No flux core | Recommendation |
| WH-330 | S-Sn93Ag4Bi3 | 219 221 | ● | ● | |
| WH-138 | S- Bi58Sn42 | 138 138 | — | ● |
3-6-5 Sn-Sb Alloys（Eutectic）
| Series | Composition | MeltingPoint(℃) | With flux cor | No flux core | Bar | Recommendation |
| WH-210 | S-Sn95Sb5 | 234-240 | — | ● | ● |
Notice：“●” in the table represents this kind of product is supplied，“－” represents no products
