SnCu0.7 lead free high temperature tin copper bar soldering
| Item bar solders | Sn99.3Cu0.7 bar solder | |||||||||
| Appearance | Lucent, no dirt on surface of stick appearance | |||||||||
| Size | (L×W×T×W):32cm×1.8cm×1.5cm×0.7kg/pc 20kg/carton | |||||||||
| Chemistry component | ||||||||||
| Sn | Cu | In | Ag | Sb | Bi | Zn | Fe | Al | As | Cd |
| 99.3±0.1 | 0.7±0.2 | <0.01 | <0.0001 | <0.02 | <0.01 | <0.005 | <0.02 | <0.02 | <0.03 | <0.002 |
SCu07is a patented (US Patent No 4,929,423) lead-free alloy suitable for use as a replacement for Sn63 alloy in the wave solder process.
Our products has the following advantages:
Good wet ability and expandability, and effectively prevent the phenomena of bridged linkage and icicle.
Efficient ability to dioxide film and to coat with quickly.Little spatter and smog, no smell, bright solder joints during soldering.
Little residue and high insulation resistance after soldering, excellent electrical performance, no-clean.
Range of application: widely used for manual soldering or automatic iron soldering operations, applicable to repair or the soldering of the electronic elements of electronic products.
1. According to your product use, recommend the most suitable products for you
2. According to your special requirements, design and manufacture of products
3. Required to provide the goods according to the contract, if the goods due to our negligence appear problem, we provide a refund or a replacement
| No clean lead-free solder | melting point °C | Tensile strength | elongation reat% | expansion rate% | Diameter | Application | Solder wire alloy | Solder bar/block alloy | Solder paste alloy | Solder powder alloy |
| Sn99.3Cu0.7 | 227 | 30 | 45 | 70 | ≥0.1mm | low cost, the most commonly used; Lead-free solder for general welding |
yes | yes | yes | yes |
| Sn96.5Ag3.0Cu0.5 | 217 | 40 | 58 | 78 | ≥0.1mm | high cost, relatively bright spot; high performenceCan be excellent for demanding welding |
yes | yes | yes | yes |
| Sn99.0Ag0.3Cu0.7 | ||||||||||
| Sn64Bi35Ag1 | 189 | 40 | 50 | 70 | SMT,PCB | not | not | yes | yes | |
| Sn62Pb36Ag2 | 189 | 38 | 54 | 75 | SMT,PCB | not | not | yes | yes | |
| Sn42Bi58 | 138 | 38 | 50 | 75 | ≥0.5mm | High cost | yes | yes | yes | yes |
tin -lead alloy solder
Tin lead solder bar metal composition and application
| Alloy composition Sn/Pb |
Specific gravity | Liquid temperature | Temperature | Application |
| 63/37 | 8.39 | 183 | 220~240 | Computers, precision instruments, meters, TV, micro technology, coating metals |
| 60/40 | 8.65 | 190 | 230~250 | |
| 55/45 | 8.75 | 200 | 240~260 | Calculators, tape recorders, telephones, quartz and other common electronic and electrical products |
| 50/50 | 8.85 | 216 | 255~275 | |
| 45/55 | 8.97 | 227 | 270~290 | |
| 40/60 | 9.30 | 238 | 295~310 | General circuit boards, toys, lamps, crafts, water tanks, plumbing solder |
Solder Factory from China 