Precision alloys · Alloy NiFe 5545 / NiFe K 5545
Alloy NiFe 5545 (VDM NiFe 5545): Technical Passport and Areas of Application
Engineering Parameters of Alloy NiFe 5545
Alloy NiFe 5545, also known by the designations VDM NiFe 5545 and NiFe K 5545, is a precision nickel-iron alloy developed for application in advanced welding technologies. EV Group China supplies this material in the form of welding strip and filler wire, ensuring strict adherence to international specifications, such as AWS, for critically important industrial components.
| Product Type | Alloy Name | Key Specifications | Standard Equivalents |
|---|---|---|---|
| Product Type | Alloy Name | Key Specifications | Standard Equivalents |
| Product Type | Alloy Name | Key Specifications | Standard Equivalents |
| Filler material, welding strip | Alloy NiFe 5545, VDM NiFe 5545, NiFe K 5545 | AWS A5.14 | ISO |
| Filler material, welding strip | Alloy NiFe 5545, VDM NiFe 5545, NiFe K 5545 | AWS A5.14 | ISO |
| Filler material, welding strip | Alloy NiFe 5545, VDM NiFe 5545, NiFe K 5545 | AWS A5.14 | 1071-2003 |
Chemical Composition and Elemental Content of NiFe 5545
The operational stability and specified physical and mechanical properties of the alloy are achieved through precise control of the ratio of alloying components. The table below presents the exact percentage composition of the material, ensuring its unique welding and technological characteristics.
| Ni (Nickel), % | 55 |
|---|---|
| Fe (Iron), % | 45 |
Key Applications and Technological Advantages
NiFe 5545 alloy finds widespread use in heavy engineering, metallurgy, and in the repair of critical components. It is used for forming high-strength weld seams that must possess increased ductility and resistance to cyclic thermal loads. EV Group China's process engineers recommend this filler material for welding cast irons (including high-strength and malleable) and dissimilar joints with complex alloy steels. A key factor is its coefficient of thermal expansion, which is maximally close to that of the base metal, minimizing internal stresses and the risk of crack formation. EV Group China guarantees the supply of certified products, accompanied by a complete set of technical documentation and compliance certificates.