Description
NIHONWELD N-CuSn-C (AC/DC) is a high-quality phosphor bronze welding electrode specially developed for welding copper alloys and joining dissimilar metals such as copper alloys to steel.
This electrode produces weld deposits with excellent mechanical strength, corrosion resistance, and abrasion resistance. It offers stable arc characteristics and excellent weldability on both AC and DC positive polarity, making it suitable for a wide range of fabrication and repair applications.
N-CuSn-C (AC/DC) is ideal for surfacing, repair, and joining applications involving bronze, copper alloys, and steel components where reliable performance and durable weld deposits are required.
Key Features
- Phosphor bronze weld deposit
- Suitable for AC and DC (+) welding
- Excellent weldability
- Corrosion-resistant weld metal
- Abrasion-resistant properties
- Strong mechanical performance
- Suitable for similar and dissimilar metal joining
- Excellent for repair and maintenance work
Classification
- AWS A5.6 ECuSn-C
- JIS DCuSnB
Typical Chemical Composition of Weld Metal Deposits (%)
| Cu | Fe | Sn |
|---|---|---|
| Balance | 0.16 | 7.82 |
Typical Mechanical Properties of Weld Metal Deposits
| Property | Value |
|---|---|
| Tensile Strength | 387 N/mm² (56 KSI) |
| Elongation | 22% |
| Hardness | 56 – 70 HB |
Size and Recommended Current Range (AC / DC+)
| Diameter | Length | Current Range |
|---|---|---|
| 3.2 mm | 350 mm | 90 – 130A |
| 4.0 mm | 350 mm | 120 – 160A |
| 5.0 mm | 350 mm | 150 – 220A |
Welding Positions
- Flat
- Fillet
- Vertical Up
- Horizontal
- Overhead
Applications
- Copper alloy welding
- Bronze repair and fabrication
- Joining bronze to steel
- Dissimilar metal welding
- Maintenance and repair applications
- Corrosion-resistant surfacing work
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