High Strength ERNiCr-3 Welding Wire for Inconel 600 Alloy Welding

Product Description

ERNiCr-3 Welding Wire | Nickel Based Filler Metal for Inconel Alloy Welding

DLX Alloy supplies ERNiCr-3 welding wire, a high-performance nickel chromium alloy filler metal designed for welding and joining nickel-based alloys such as Inconel 600, Inconel 601 and Inconel 690.

With excellent weldability, high temperature oxidation resistance and reliable corrosion resistance, ERNiCr-3 nickel alloy welding wire is widely used in chemical processing equipment, heat exchangers, furnace components, aerospace structures and industrial fabrication.

As a professional nickel alloy welding wire manufacturer, DLX provides ERNiCr-3 filler wire in different diameters and customized specifications to meet global industrial welding requirements.

Product Overview

ERNiCr-3 Nickel Based Welding Wire for Inconel 600 and High Temperature Alloy Applications

ERNiCr-3 is a nickel-chromium-based welding filler wire commonly used for joining Ni-Cr-Fe alloys and dissimilar metal welding applications.

The welding wire provides stable arc performance, excellent crack resistance and strong mechanical properties after welding. It is especially suitable for welding Inconel 600 alloy, where resistance to oxidation, carburization and high-temperature environments is required.

ERNiCr-3 filler wire is commonly used in TIG (GTAW), MIG (GMAW) and other welding processes for manufacturing and repairing industrial components.

Product Technical Parameters

Item	Description
Product Name	ERNiCr-3 Welding Wire
Material Type	Nickel Based Welding Filler Metal
AWS Classification	AWS A5.14 ERNiCr-3
Alloy Type	Nickel Chromium Alloy
Main Applications	Inconel 600 / 601 / 690 Alloy Welding
Welding Process	TIG (GTAW), MIG (GMAW)
Available Forms	Welding Wire, Filler Rod
Diameter Range	Customized According to Customer Requirements
Surface	Bright Surface, Clean Surface
Standard	AWS A5.14 / Customer Specifications
Packaging	Spool, Coil, Customized Packaging

ERNiCr-3 Nickel Chromium Alloy Welding Wire Chemical Composition

Element	AWS A5.14 ERNiCr-3 Standard Requirement (wt%)	Typical Batch Analysis (DLX)	Function / Metallurgical Significance
Nickel (Ni)	>= 67.0 (Balance)	72.50	Primary austenitic matrix, high-temperature corrosion resistance
Chromium (Cr)	18.0 - 22.0	20.20	Oxidation resistance and high-temperature scaling protection
Manganese (Mn)	2.5 - 3.5	3.10	Suppresses low-melting eutectics, prevents hot cracking
Niobium + Tantalum (Nb+Ta)	2.0 - 3.0	2.45	Grain boundary stabilization, prevents micro-fissuring & carbide precipitation
Iron (Fe)	<= 3.0	1.10	Controlled residual element from raw materials
Titanium (Ti)	0.20 - 0.75	0.40	Deoxidizer, refines weld grain structure
Silicon (Si)	<= 0.50	0.18	Deoxidizer, controlled to prevent weld embrittlement
Carbon (C)	<= 0.10	0.025	Controlled low carbon to minimize intergranular corrosion
Copper (Cu)	<= 0.50	0.04	Residual element limit
Phosphorus (P)	<= 0.015	0.008	Strictly limited to eliminate hot shortness
Sulfur (S)	<= 0.015	0.005	Strictly limited to prevent solidification cracking

Key Features of ERNiCr-3 High Strength Nickel Alloy Welding Wire

Excellent Inconel Alloy Welding Performance

ERNiCr-3 filler wire provides stable welding performance for Inconel 600, 601 and 690 nickel alloys, ensuring strong and reliable welded joints.

Superior Corrosion and Oxidation Resistance

The nickel chromium composition offers excellent resistance against oxidation, corrosion and high-temperature environments.

High Temperature Alloy Joining Capability

Designed for demanding industrial conditions, ERNiCr-3 welding wire maintains reliable performance in elevated temperature applications.

Excellent Weldability and Crack Resistance

The optimized alloy structure provides smooth arc characteristics, good weld pool control and reduced welding defects.

Suitable for Dissimilar Metal Welding

ERNiCr-3 nickel alloy filler wire is widely used for joining nickel alloys with stainless steel and other alloy materials.

ERNiCr-3 Welding Wire Industrial Applications

High-Temperature Petrochemical Equipment Used for welding and repairing Inconel 600, Inconel 601, Inconel 690, and Incoloy 800/800H components in cracking furnaces, heat exchangers, and chemical reactor vessels operating up to 980°C (1800°F).
Dissimilar Metal Joining Serves as a transition filler metal connecting creep-resistant ferritic steels (P91, P22, T22) to austenitic stainless steels (304, 316L, 310) in boiler superheaters and steam piping, preventing carbon migration and thermal stress cracking.
Nuclear Power & Pressure Vessels Applied in reactor pressure vessel nozzle cladding, control rod drive mechanism housings, and steam generator tube-to-tubesheet seals requiring stringent crack resistance and structural reliability.
Cryogenic & LNG Storage Systems Retains high impact toughness (Charpy V-Notch >= 100 J at -196°C) for welding 9% Nickel steel and 5% Nickel steel cryogenic storage tanks, LNG vaporizers, and subsea pipelines.
Thermal Processing Hardware Resists cyclic oxidation and carburization in industrial furnace muffles, radiant tubes, burner tips, and heat-treatment fixtures.

Professional Nickel Based Welding Wire Manufacturer for Global Industrial Supply

Direct Factory Capacity & Scale
Changzhou DLX Alloy operates complete in-house melting (VIM/ESR), hot rolling, and precision diamond-die wire drawing lines. With a verified monthly production capacity of 1,200 metric tons, we provide dependable batch consistency and rapid fulfillment for global power generation, petrochemical, and aerospace projects.
ISO 9001:2015 & EN 10204 3.1 Quality Assurance
Our entire manufacturing process complies strictly with ISO 9001:2015 quality management standards. Every single batch of ERNiCr-3 welding wire is 100% inspected via Optical Emission Spectrometry (OES) and mechanical testing, and is delivered with an authentic EN 10204 3.1 Material Test Certificate (MTC) ensuring total heat traceability.
Flexible B2B Sourcing Terms & Fast Evaluation Samples
To support your Welding Procedure Specification (WPS) and Procedure Qualification Record (PQR) approvals, we support small-batch trial orders with an MOQ of 5 kg for standard stock diameters (1.2mm, 1.6mm, 2.4mm) and provide 0.5 kg free sample packages for qualification testing. Standard export consignments are fulfilled within 7 to 15 business days.
Superior Wire Cleanliness & Feeding Performance
Processed with continuous ultrasonic degreasing, DLX ERNiCr-3 wire features an ultra-clean, mirror-bright surface free from residual drawing lubricants and surface burrs, ensuring spatter-free arc ignition and trouble-free feeding in automated GMAW and manual GTAW welding.

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Frequently Asked Questions About ERNiCr-3 Welding Wire

1. What is ERNiCr-3 welding wire used for?

ERNiCr-3 welding wire is mainly used for welding Inconel 600, Inconel 601, Inconel 690 and other nickel-chromium alloys. It is also suitable for dissimilar metal welding and industrial fabrication.

2. What is the difference between ERNiCr-3 and ERNiCrMo-4 welding wire?

ERNiCr-3 is a nickel-chromium filler metal mainly designed for welding Inconel 600 series alloys and high-temperature applications.

ERNiCrMo-4 contains higher molybdenum content and is mainly used for severe corrosion-resistant applications such as Hastelloy C-276 welding.

3. Can ERNiCr-3 welding wire be used for TIG welding?

Yes. ERNiCr-3 welding wire is commonly used as TIG filler wire because of its stable arc performance and excellent weldability.

4. What alloys can ERNiCr-3 welding wire weld?

ERNiCr-3 can be used for: