- Contact Person : Ms. Wong Rose
- Company Name : Shenzhen TC Times Solder Technology Co., Ltd.
- Tel : 86-755-82594583
- Fax : 86-755-82594580
- Address : Guangdong,Shenzhen,B/Building, Huawan Industrial park,Gushu Rd,Bao'an Dist, Shenzhen, Guangdong
- Country/Region : China
- Zip : 518100
Soldering
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TC lead-free soldering wires:
Spec | Melting point | Tensile strength | Extensibility | Rate of spread | Usage |
Sn99.95 | 232 | 20 | 43 | 70 | Electroplating anode bar |
Sn-Cu0.7 | 227 | 30 | 45 | 70 | Lower cost, high melting point, poor wetting, low caplillarity, poor fatigue property, can be used for low requirements soldering. |
Sn-Ag3.5 | 222 | 38 | 54 | 75 | Higher cost, |
Sn-Ag3.0-Cu0.5 | 217 | 40 | 58 | 78 | Higer cost, good performance, first choice by most of factories. |
Sn-Ag0.3-Cu0.5 | |||||
Sn-Ag3.5-Cu0.7 |
Recommendation: Sn-Cu0.7, Sn-Ag3.0-Cu0.5, Sn-Ag0.3-Cu0.5
Types of Lead-free soldering bars:
Common lead-free solder bar:
The most common solder bar in the lead-free solder bar series, and it will take the place of welding accessories in daily use. With stable quality and property, good solder ability and low cost.
Wave-soldering lead-free solder bar:
It was developed for wave-soldering. Added with agel exo element in the recipe, high brightness, minimum oxide residue. It is better to add Nitrogen while using wave solder pot, so as to reduce the waste from air oxidation.
High temperiture lead-free solder bars:
It is suitable for high temperature soldering place, temperature up to 400-550. The recipe is with special metallic elements which are with powerful high temperature and oxidation capacity, so the cost is much higher.
Soldering
