ERCUNI (70/30) spooled wire and bare filler metal rod may not be common in households, but it has numerous uses in various industries. It is a copper-nickel alloy with a unique mechanical and physical properties combination, making it an excellent choice for many applications. This blog post will delve deeper into the composition, properties, uses, corrosion resistance, and heat treatment of ERCUNI (70/30) spooled wire and bare filler metal rods.
What is ERCUNI (70/30) Spooled Wire & Bare Filler Metal Rod?
ERCUNI (70/30) spooled wire & bare filler metal rod is an alloy of nickel and copper. This special combination results in a high-strength, corrosion-resistant material that offers superior performance to other metals in many applications such as welding rods, electronics parts production, aerospace components and dowel pins. The alloy also has excellent resistance against oxidation at elevated temperatures. Additionally, the non-magnetic properties make it especially useful for sensitive instrumentation applications where magnetic interference must be avoided.
ERCUNI (70/30) Spooled Wire & Bare Filler Metal Rod Composition
ERCUNI (70/30) electrode is an alloy of 70% copper and 30% nickel. Adding nickel to copper enhances its properties, making it more resistant to corrosion, wear, and tear. This alloy also has small amounts of iron, manganese, and silicon, each with a specific role in its overall functionality.
| Copper* | Balance |
| Aluminum | 6.0- 8.50 |
| Manganese | 0.50 max |
| Silicon | 0.10 max. |
| Others | 0.50 max |
ERCUNI (70/30) Spooled Wire & Bare Filler Metal Rod Mechanical Properties
ERCUNI (70/30) welding wire exhibit excellent strength and ductility, which makes it ideal for various manufacturing purposes. It has a tensile strength of 550 MPa, which makes it capable of withstanding heavy loads. Additionally, ERCUNI (70/30) has an elongation of 40%, which allows it to bend and stretch without breaking.
| Tensile Strength ksi | 68 (469 MPa) |
| Yield Strength ksi | 28 (193 MPa) |
| Elongation % in 2″ (51 mm) | 47 |
| Reduction of Area % BHN (3000kg.) | 53 |
| 1/4″ (6.4 mm) deposit | 125 |
ERCUNI (70/30) Spooled Wire & Bare Filler Metal Rod Physical Properties
ERCUNI (70/30) spooled wire and bare filler metal rod has excellent thermal and electrical conductivity, making it a reliable choice for wires and cables. It also has a low thermal expansion coefficient, meaning it does not expand or contract significantly under temperature changes. This property makes it an excellent choice for heat exchangers and other applications that require materials that can withstand thermal stresses.
ERCUNI (70/30) Spooled Wire & Bare Filler Metal Rod Trade Name
| Class | AMPCO-TRODE |
| ERCUNI (70/30) | AMPCO-TRADE 521 |
ERCUNI (70/30) Spooled Wire & Bare Filler Metal Rod Uses
ERCUNI (70/30) spooled wire and bare filler wire rods have numerous applications in various industries. It is commonly used in marine, aerospace, and chemical industries because of its excellent corrosion resistance. ERCUNI (70/30) is also used in electrical and electronic applications because of its exceptional electrical conductivity. Additionally, this alloy is a popular choice for welding and brazing because of its high strength and ductility.
ERCUNI (70/30) Spooled Wire & Bare Filler Metal Rod Corrosion Resistance
Its excellent corrosion resistance is one of the most remarkable properties of ERCUNI (70/30) welding alloy. It is highly resistant to seawater, brine, and other chloride-containing solutions, making it an ideal material for maritime applications. It also offers good resistance to stress corrosion cracking, a type of corrosion caused by a combination of tensile stress and corrosion.
ERCUNI (70/30) Spooled Wire & Bare Filler Metal Rod Heat Treatment
ERCUNI (70/30) wire can be annealed to improve its ductility and perform a stress-relieving treatment to enhance its strength and toughness. Annealing involves heating the alloy to a specific temperature and allowing it to cool slowly. In contrast, stress-relieving treatment involves heating the alloy to a specific temperature and cooling it quickly.
Conclusion
ERCUNI (70/30) spooled wire and bare filler metal rod offer a unique combination of mechanical and physical properties, making it an excellent choice for various industries. Its excellent corrosion resistance, thermal conductivity, and flexibility make it a popular choice for marine, aerospace, and chemical applications. Its heat treatment properties make it highly customizable and suitable for various manufacturing processes. If you’re in the market for a reliable, corrosion-resistant, and versatile material, ERCUNI (70/30) spooled wire and bare filler metal rod should be on your list.
Meet Heer, a dynamic and driven writer learning tricks of her trade in the metal industry. With a background in Digital Marketing, Heer brings a unique perspective to her writing, sharing valuable insights. Apart from blogging she like reading and hiking.
