Incoloy 925 Ni-Fe-Cr Alloy Welding Wire
Incoloy 925 Ni-Fe-Cr Alloy Welding Wire Introduction
Incoloy 925 (UNS N09925)is a precipitation-hardenable nickel-iron-chromium alloy with additions of molybdenum and copper. It combines the high strength of a precipitation-hardenable alloy with the excellent corrosion resistance of INCOLOY alloy 825. The alloy has outstanding resistance to general corrosion, pitting, crevice corrosion, and stress-corrosion cracking in many aqueous environments including those containing sulfides and chlorides.
Alloy 925 offers corrosion resistance compared with that of alloy 825, but with higher strength obtained by age hardening. The combination of nickel and chromium renders protection in both oxidizing and reducing atmospheres. The high nickel content also gives resistance to chloride ion stress-corrosion cracking. Pitting and crevice corrosion resistance is also excellent.
Incoloy 925 Ni-Fe-Cr Alloy Welding Wire Specification
| STANDARD | WERKSTOFF NR. | UNS | JIS |
| Incoloy 925 | – | N09925 | NCF 925 |
Incoloy 925 Ni-Fe-Cr Alloy Welding Wire Typical Chemical Composition
| Grade | Incoloy 925 |
| Ni% | 42.0-46.0 |
| Cr% | 19.5-22.5 |
| Fe% | Min 22 |
| Mo% | 2.5-3.5 |
| Cu% | 1.5-3.0 |
| Ti% | 1.9-2.4 |
| Al% | 0.1-0.5 |
| Mn% | Max 1.0 |
| Si% | Max 0.5 |
| Nb% | Max 0.5 |
| C% | Max 0.03 |
| S% | Max 0.03 |
Incoloy 925 Ni-Fe-Cr Alloy Welding Wire Typical Mechanical Properties
| Treatment | Tensile Strength | Yield Strength (0.2%) | Elongation | Hardness (HRC) |
| Solution Treated | 685 MPa | 271 MPa | 56% | 76 |
| Solution&Aging | 1154 MPa | 832 MPa | 27% | 32 |
Incoloy 925 Ni-Fe-Cr Alloy Welding Wire Typical Physical Properties
| Density | Melting Point | Electrical Resistivity |
| 8.08 g/cm3 | 1311°C-1366 °C | 1.17 μΩ m |
Please note that the above specifications are “general specifications” that pertain to the majority of our production. These specifications should only be used for general, informational purposes. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All specifications are subject to change without prior notice. All pictures shown are for illustration purposes only. Actual product may vary.
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