Sn92Cu8 is a standard soft solder alloy for car body construction or for soldering Copper and Copper alloys, which consists of Tin and Copper. This soft solder alloy is referred to as SC8 in the technical field and is one of the most common consumable materials which is used in the field of car body construction.
Delivery forms
Ingots with and without suspension
Rods Typ 3K (triangular) & 4K (quadrangular)
Massive solder and flux cored solder wires
Pellets (hemisphere sections)
Sticks® (Cylinders)
Other formats or products not listed here may be possible after consultation.
Applications
Lead-free electronic solder, which was primarily developed for general use in the following applications and soldering processes.
Car body construction
Iron soldering systems
Refrigeration and air conditioning systems
Plasma and evaporation systems
Hand soldering
Dip tinning
Products
Ingots made from Sn92Cu8 (SC8)
9434
molded
none
without
Ingot Type H
Ingots
420 mm
115 mm
30 mm
The products shown are only a selection from our product range. Please contact us for your desired configuration of Ingots from Sn92Cu8 (SC8).
Sticks made from Sn92Cu8 (SC8)
1032
molded
none
without
triangular
Sticks
400 mm
10 mm
10 mm
The products shown are only a selection from our product range. Please contact us for your desired configuration of Sticks from Sn92Cu8 (SC8).
Material properties
| Melting temperature °C | 230-400 |
| Solder wave temperature °C | n.s. |
| Density g/cm³ | 7.6 |
| Hardness HB | n.s. |
| Tensile strength N/mm² | n.s. |
| Stretching % | n.s. |
| Specific heat of fusion J/g | n.s. |
| Electrical conductivity µΩcm | 13 |
This alloy can be stored for at least 48 months if properly stored in a clean and dry environment. For massive formats, further processing is usually possible after the specified storage period has expired, but should be technically checked and approved in advance.
Chemical composition in accordance with DIN 1707-100
(Data in percent by weight)
| Element | Formular | Composition |
|---|---|---|
| Tin | Sn | Residue |
| Copper | Cu | 7.5-8.5 |
| Antimony | Sb | < 0.1 |
| Bismuth | Bi | < 0.1 |
| Lead | Pb | < 0.1 |
| Indium | In | < 0.1 |
| Silver | Ag | < 0.1 |
| Gold | Au | < 0.05 |
| Arsenic | As | < 0.03 |
| Iron | Fe | < 0.02 |
| Nickel | Ni | < 0.01 |
| Cadmium | Cd | < 0.002 |
| Aluminium | Al | < 0.001 |
| Zinc | Zn | < 0.001 |
The data given in the table are based on the standardization data of DIN 1707-100.
