Nickel-chromium iron Welding Wire

Nickel-chromium iron Welding Wire

1. Application

Nickel-chromium-iron welding wire, commonly known as Inconel welding wire, is a type of welding consumable designed for joining and repairing nickel-based alloys with high levels of nickel, chromium, and iron. Inconel alloys are known for their exceptional resistance to corrosion, high temperatures, and mechanical stress, making them suitable for various demanding applications.

2. Main Features

High Temperature Resistance: Nickel-chromium-iron alloys, such as Inconel, exhibit excellent resistance to high temperatures and thermal stress. Inconel welding wire is used to create strong and durable welds capable of withstanding extreme heat conditions, making it suitable for applications in aerospace, gas turbines, and other high-temperature environments.

Corrosion Resistance: Inconel alloys offer outstanding corrosion resistance, including resistance to oxidation, pitting, and crevice corrosion. Nickel-chromium-iron welding wire ensures that the welds maintain the corrosion-resistant properties of the base material, making it suitable for applications in chemical processing, marine environments, and nuclear power plants.

Strength and Durability: Nickel-chromium-iron alloys possess high mechanical strength and excellent fatigue resistance. Welding wire for these alloys enables the creation of strong welds, contributing to the overall strength and durability of the welded components. This makes it suitable for applications in structural components, pressure vessels, and high-stress environments.

Compatibility with Similar Alloys: Nickel-chromium-iron welding wire is designed to be compatible with various nickel-based alloys, allowing for the welding and joining of similar materials. This is important in applications where different components or sections made of Inconel or similar alloys need to be joined together.

Petrochemical and Chemical Processing: Inconel alloys are widely used in petrochemical and chemical processing industries due to their resistance to corrosive chemicals, high temperatures, and pressure. Nickel-chromium-iron welding wire is employed for fabricating and repairing equipment and components used in these industries, such as heat exchangers, reactors, and piping systems.

Power Generation: Nickel-chromium-iron alloys find applications in power generation industries, including gas turbines and nuclear power plants. Inconel welding wire is utilized for joining and repairing components subjected to high temperatures, steam, and corrosive environments.

When working with nickel-chromium-iron welding wire, it is essential to follow appropriate welding procedures, consider the specific composition of the alloy being welded, and refer to manufacturer guidelines. Consulting with welding experts and adhering to industry standards are crucial for achieving successful welds and maintaining the desired properties of the nickel-based alloys.

2. Chemical Ingredient (%)

Executive Standard	Alloy No.	Ni	Cr	Mn	Nb	Mo	C	Fe	P	S	Si	Cu	other
ISO18274	SNi6062	≥70	14-17	1.0	1.5-3.0	-	0.08	6.0-10	0.03	0.015	0.35	0.5	0.5
GB/T15620	SNi6062	≥70	14-17	1.0	1.5-3.0	-	0.08	6.0-10	0.03	0.015	0.35	0.5	0.5
AWS A5.14	ERNiCrFe-5	≥70	14-17	1.0	1.5-3.0	-	0.08	6.0-10	0.03	0.015	0.35	0.5	0.5