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Incoloy 925 Ni-Fe-Cr Alloy Welding Wire

Specifications: UNS N09925
Applications: Incoloy 925 alloy wire is used for surface and down-hole hardware in sour gas wells and for oil-production equipment. Standard product forms are round, flats, forging stock, pipe, tube, and wire.

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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