| Weight | 15 kg |
|---|---|
| Dimensions | 30 × 30 × 10 cm |
This detailed product description refers to the high-quality CuSi3 (copper-silicon) welding wire offered by Wieländer+Schill, developed specifically for body construction and repair work, with particular attention to welding galvanized steel sheets.
A CuSi3 Welding Wire A consumable electrode made from a copper-silicon alloy, primarily recommended for TIG (Tungsten Inert Gas welding) and MIG (Metal Inert Gas welding, also known as brazing) processes. The product has a wire diameter of 0.8 mm and is wound on a K300 type spool, representing a net weight of 15 kg.
One of the most important advantages of the CuSi3 wire is its low melting point, which makes it ideal for welding galvanized steel sheets. Thanks to this property, the protective layer of the galvanized surfaces is largely preserved during the welding process, which is critically important for vehicle longevity.
This welding material is excellently suited for the brazing of galvanized sheets frequently encountered in body construction. For successful welding, it is advisable to consider the following technical recommendations:
Heat Input Control: It is recommended not to make the weld pool excessively wide, and special attention should be paid to maintaining low heat input . This minimizes damage to the galvanized layer and reduces deformations caused by thermal expansion.
Material Deposition: For both MIG welding (short-arc or pulsed process) and TIG welding, it is recommended to deposit as much welding material into the joint as possible.
Preheating: Generally, preheating is not required for the base material, which saves time and energy during the repair process.
Selecting the appropriate shielding gas is essential for achieving a stable arc and a high-quality joint:
For TIG Welding: Argon (I1)
For MIG Welding: Argon (I1) or Argon/Argon-CO2 mixtures (I3)
The product possesses precise mechanical properties that guarantee reliable performance.
| Property | Value | Unit of Measure | Note |
|---|---|---|---|
| Product Identifier (Part Number) | 311018 | – | Order Code |
| Wire diameter | 0,8 | mm | Standard Size |
| Reel Type | K300 Basket Spool | – | Special basket design |
| Pack Weight | 15 | kg | Net Weight |
| Material composition | CuSi3 | – | Copper-Silicon Alloy |
| Tensile strength (Rm) | 360 | N/mm² | |
| Flow Rate | 150 | N/mm² | |
| Elongation | 40 | % | |
| Material hardness | 80 | HB | Brinell Hardness |
| Spool Dimensions (W x D x H) | 300 x 300 x 100 | mm | Outer dimensions of the K300 basket |
Although this product refers to the 0.8 mm, 15 kg K300 pack, the wire may also be available in other diameters and packs:
Wire Diameters: 0.8 mm, 1.0 mm, 1.2 mm
Spool Sizes: D200 / 5 kg, K300 / 15 kg
Recommended Accessories (Consumables):
For efficient use of K300 basket spools, special adapters are required to ensure proper wire feeding into the welding machine.
Part number: 307002
Description: One-piece adapter with eight arms and two securing arms for K300 bobbins.
Part number: 307003
Description: Two-piece adapter with quick lock for K300 bobbins.
Wieländer+Schill products comply with strict quality management and environmental standards, guaranteeing consistently high product quality:
ISO 9001: Quality Management System Certificate.
ISO 14001: Environmental Management System Certificate.
This CuSi3 welding wire is the optimal choice for any professional who wants to create durable, aesthetic, and corrosion-resistant joints on galvanized surfaces, whether using the MIG or TIG process. The precise mechanical data and composition optimized for low heat input ensure the preservation of the original properties of body parts.
