Common Names / Equivalents

• AWS Classification: ERNiCrMo-4

• UNS Number: N10276

• Trade Name: Hastelloy® C-276 Welding Wire

• Other Names: Alloy C276 Wire, NiCrMo-4 Welding Wire, Nickel 276 MIG/TIG Wire

• Chinese: 哈氏合金C276焊丝,镍基C276焊丝

Product Description

C276 welding wire (ERNiCrMo-4) is a premium nickel-molybdenum-chromium alloy filler metal designed for demanding welding applications. It provides outstanding resistance to strong oxidizing and reducing agents, chloride-induced corrosion, and a wide variety of aggressive chemicals including hydrochloric, sulfuric, and phosphoric acids.

This wire is ideal for welding Hastelloy C-276 base metal, as well as for dissimilar metal welding. It is used in highly corrosive environments such as chemical processing, marine systems, and flue gas scrubbers.

Key Features

• Superior corrosion resistance in both oxidizing and reducing environments

• Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking

• Good mechanical strength and metallurgical stability

• Smooth arc and low spatter during welding

• Suitable for both TIG and MIG welding applications

• Compatible with dissimilar metal joints

Typical Applications

• Chemical reactors and process vessels

• Acid storage tanks and transfer systems

• Marine equipment exposed to seawater

• Heat exchangers and pressure equipment

• Flue gas desulfurization (FGD) systems

• Pharmaceutical and pollution control equipment

Chemical Composition (Typical, %)

Mechanical Properties (Typical)

Product Specifications

Note

We also supply Hastelloy C22, Inconel 625, and other nickel alloy welding consumables. Free samples and technical datasheets are available upon request. Custom compositions and packaging options can be tailored to your application.