Durable ERNiCr-3 Nickel Welding Rod for High-Performance Applications

• Customization: Available
• Type: Rolling Wire
• Material: Nickel / Nickel Alloy
• Model NO.: ERNiCr-3
• Flux Containing: Not Containing Flux
• Slag Characteristic: Acidic
• Extended Length: >20mm
• Transport Package: 1kg/5kg/15kg/Spool(Tube)
• Specification: 0.6/0.8/1.0/1.2/1.6/2.0/2.5/3.2/4.0mm
• Trademark: Jiuzhou
• Origin: China
• HS Code: 7505220000
• Production Capacity: 200000kg/Year

Product Description

ERNiCr-3
Introducing our top-tier Ni base alloy solid welding wire, engineered for unparalleled performance in welding. It offers outstanding resistance to ductility dip cracking, ensuring a strong weld with tensile strength that meets or exceeds that of the base material. Benefit from its superior weldability for all your demanding projects.

1. Basic Specifications & Composition

Standards Compliance:

AWS A5.14: ERNiCr-3

DIN: SG-NiCr20Nb (Werkstoff Nr. 2.4806)

ISO/BS: SNi6082 / NiCr20Mn3Nb.

Chemical Composition:

Element Content (%) Role

Ni (+Co) ≥67.0 (72.9 typical) - Serves as the base metal, crucial for robust corrosion resistance.

Cr 18.0-22.0 - Enhances oxidation resistance, ensuring durability under extreme conditions.

Nb (+Ta) 2.0-3.0 - A stabilizer that prevents intergranular corrosion through carbide stabilization.

Mn 2.5-3.5 - Adds toughness and minimizes hot cracking, essential for welding integrity.

Fe ≤3.0 - Maintains impurity control for optimal performance.

C ≤0.10 - Reduces carbide precipitation, enhancing the weld quality.

S/P ≤0.015/≤0.030 - Minimizes brittleness, maintaining structural integrity.

2. Key Properties

Mechanical Performance:

Tensile Strength: ≥552 MPa (80,000 psi) - Guarantees robust and reliable welds.

Elongation: ≥30% (4d) - Ensures flexibility and durability in welded joints.

High-Temperature Capabilities:

Operating Range: -196°C to +550°C - Suitable for pressure vessels, offering incredible thermal performance; oxidation resistance up to 1200°C - Perfect for sulfur-free environments, ensuring longevity.

Creep Rupture Strength: Delivers excellent reliability under sustained thermal stress.

Corrosion Resistance:

Excels in resisting oxidation, stress corrosion cracking, and pitting in harsh acidic and urea environments, making it ideal for tough applications.

3. Welding Applications

Compatible Alloys:

Nickel Alloys: Expertly tailored for INCONEL 600/601/690, INCOLOY 800/800HT/330.

Dissimilar Metal Joints

Nickel alloys ↔ Carbon steel/stainless steel

INCOLOY 330 ↔ MONEL alloys.

Surface Cladding:

Ideal for corrosion-resistant overlays on carbon steel components, enhancing the longevity and durability.

Process Compatibility:

Compatible with TIG/GTAW, MIG/GMAW, and Submerged Arc Welding (SAW), providing versatility in welding techniques.

SAW Flux Pairing: Perfectly paired with INCOFLUX 4 using NI-ROD 99 wire; achieve up to ≤3 layers with INCOFLUX for optimal results.

4. Industry Use Cases

Aerospace: Ideal for turbine blades and combustion chambers, offering remarkable high-temperature oxidation resistance.

Nuclear: Perfect for reactor vessels and fuel piping, providing exceptional creep strength in radiation-heavy environments.

Chemical Processing: Our ERNiCr-3 Nickel Welding Rod is specifically designed to offer exceptional resistance to acid corrosion, making it an ideal choice for fabricating and maintaining reactors and heat exchangers. With its advanced formulation, it ensures longevity and reliability in the demanding environments of chemical processing.

Energy: Perfectly suited for energy industry applications, our ERNiCr-3 Nickel Welding Rod excels in the construction and maintenance of boiler components and exhaust systems. Its superior thermal cycling durability enhances performance and lifespan, ensuring your operations run smoothly and efficiently even under extreme temperature fluctuations.

AWS A5.4	ERNi-1	ERNiCu-7	ERNiCr-3	ERNiCrFe-5	ERNiCrMo-3	ERNiCrMo-4	ERNiFeCr-1
Tensile Strength (N/mm^2)	514	541	671	651	819	729	602
Elongation (%)	44	39	41	45	39	45	33
C	0.02	0.02	0.03	0.06	0.037	0.012	0.02
Mn	0.24	3.21	3.05	0.51	0.06	0.5	0.5
Si	0.34	0.68	0.12	0.14	0.11	0.01	0.11
P	0.34	1.53	2.4	1.99	3.37	0.23	0.81
Ti	0.34	1.53	/	/	/	/	0.81
S	0.14	0.47	1.41	6.82	3.9	5.4	28.24
Cr	/	/	19.86	14.79	21.55	15.9	22.61
Ni	95.5	65.68	72.8	75.06	61.65	REM	42.91
Cu	0.01	REM	0.03	0.03	/	/	/
Mo	0.01	REM	0.03	0.03	8.49	16	2.67
Nb	/		2.4	1.99	3.37	/
V	/					0.23
Fe	0.14	0.47	1.41	6.82	3.9	5.4	28.24