ERNiCrMo-15 MIG Wire & TIG Rods (INCO-WELD® 725NDUR Filler Metal)

Product Overview:

ERNiCrMo-15 (725) is a high-performance nickel-based filler metal, commonly used for welding materials that require excellent resistance to high-temperature environments, such as in gas turbines, heat exchangers, and chemical processing. It offers exceptional strength, resistance to oxidation and corrosion, and excellent weldability. ERNiCrMo-15 (725) is ideal for applications exposed to aggressive environments at elevated temperatures.

Specifications:

• Welding Process Compatibility: TIG (GTAW), MIG (GMAW)
• AWS Classification: AWS A5.14 ERNiCrMo-15 (UNS N07725)
• ASME Specification: ASME II, Part C, SFA-5.14, ERNiCrMo-15 (UNS N07725)
• EN ISO Standard: (EN) ISO 18274 – SNi7725 (NiCr21Mo8Nb3Ti)
• Weldability: Excellent
• Form: Wire, Rod

Chemical Composition (%):

Element	Percentage
Nickel (Ni)	56.0 - 65.0
Chromium (Cr)	19.0 - 23.0
Molybdenum (Mo)	7.0 - 9.0
Iron (Fe)	Balance
Manganese (Mn)	0.50
Silicon (Si)	0.50
Carbon (C)	0.10
Phosphorus (P)	0.015
Sulfur (S)	0.015
Cobalt (Co)	1.0

Mechanical Properties

Property	Typical Value
Tensile Strength	85 ksi (586 MPa) min
Yield Strength	45 ksi (310 MPa) min
Elongation	35% min
Hardness	160 HB max
Service Temperature	-200°F to 2000°F (-129°C to 1093°C)

Applications:

ERNiCrMo-15 (725) is primarily used for welding:

• High-temperature alloys
• Gas turbine components
• Heat exchangers
• Chemical and petrochemical industries
• Aerospace applications
• Pressure vessels exposed to high temperatures

Storage and Handling

• Storage : Keep the filler metal in a dry and controlled environment to avoid contamination. It is essential to store away from sources of moisture and direct sunlight.
• Handling: Always handle with care to prevent contamination. Use proper welding equipment and ensure the welding area is clean and free of rust, dirt, or grease to maintain the quality of the weld.

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