Product description
Also known as ERCuSn-A in AWS or SG-CuSn6 in EN ISO 24373), this copper-tin alloy containing around 6% tin, is specially formulated for welding bronzes and certain copper alloys. It is widely used for its combination of good weldability, corrosion resistance and balanced mechanical properties.
Product application instructions
-
Sliding or friction elements: bushings, rings, bearings
-
Marine and naval industry
-
Decorative or architectural bronze fittings
-
Restoration of copper and bronze objects (furniture, art, heritage)
-
Repairing worn copper alloy parts
Classification
| AWS A5.7 | EN 14640 | Werkstoff Nr. |
|---|---|---|
| ER CuSn-A | S Cu 5180 (CuSn6P) | 2.1022 |
Chemical analysis (%)
| Sn | P | Cu |
|---|---|---|
| 6 | 0.20 | ball |
Mechanical characteristics
| Rm (MPa) | Rp 0.2 MPa | A5 (%) | HB |
|---|---|---|---|
| 300 | 150 | 20 | 90 Brinell |
Why choose ABRAFIL CuSn6?
1. Very good MIG weldability
-
Excellent arc behavior, stable molten bath, even, clean beads.
-
Low-spray, highly suitable for both manual and automated work.
-
Ideal for fine and technical soldering on copper.
2. Corrosion resistance
-
Excellent resistance to humidity, seawater and industrial atmospheres.
-
Perfect for parts displayed outdoors or in marine environments.
3. Good mechanical and wear properties
-
Better mechanical strength than ABRAFIL CuSn12, with good ductility.
-
Ideal for parts subject to friction or moderate stress (slides, bearings, etc.).
4. Broad metallurgical compatibility
-
Suitable for :
-
Tin-plated bronzes (CuSn6 type or similar)
-
Non-alloyed copper
-
Heterogeneous welding between copper and certain steels (with care)
-
-
Often used for repairs or loading/unloading.
