ERNiCr-3 MIG Welding Wire: Durability and Strength Combined

• 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
Experience the pinnacle of welding technology with our Ni base alloy solid welding wire, expertly designed for superior performance. This exceptional product offers unrivaled resistance to ductility dip cracking in weld metal. Elevate your welding projects with increased tensile strength, ensuring it matches or exceeds the tensile strength of the base material. Enjoy seamless weld ability that sets new industry standards.

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 primary base metal offering outstanding corrosion resistance.

Cr 18.0-22.0 Enhances the material's oxidation resistance, ensuring durability.

Nb (+Ta) 2.0-3.0 Provides robust intergranular corrosion resistance through effective carbide stabilization.

Mn 2.5-3.5 Boosts toughness while minimizing hot cracking risks.

Fe ≤3.0 Carefully controlled to maintain purity and performance.

C ≤0.10 Crucial for minimizing carbide precipitation and promoting weld integrity.

S/P ≤0.015/≤0.030 Key for reducing brittleness and enhancing ductility.

2. Key Properties

Mechanical Performance:

Tensile Strength: Achieves an impressive ≥552 MPa (80,000 psi) for demanding applications.

Elongation: Offers a generous ≥30% (4d) for flexibility and adaptability in your projects.

High-Temperature Capabilities:

Operating Range: Performs reliably from -196°C to +550°C in pressure vessels. Exhibits exceptional oxidation resistance up to 1200°C in sulfur-free environments.

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

Corrosion Resistance:

Demonstrates superior resistance to oxidation, stress corrosion cracking, and pitting in hostile environments, such as sulfuric, phosphoric acids, and urea.

3. Welding Applications

Compatible Alloys:

Pairs seamlessly with Nickel Alloys: INCONEL 600/601/690, INCOLOY 800/800HT/330.

Dissimilar Metal Joints

Bridges the gap between Nickel alloys ↔ Carbon steel/stainless steel with ease.

INCOLOY 330 ↔ MONEL alloys, ensuring a robust and reliable connection.

Surface Cladding:

Ideal for corrosion-resistant overlays on vulnerable carbon steel components.

Process Compatibility:

Versatile across multiple processes: TIG/GTAW, MIG/GMAW, and Submerged Arc Welding (SAW).

SAW Flux Pairing: Perfectly pairs with INCOFLUX 4 alongside NI-ROD 99 wire. Efficient in ≤3 layer applications with INCOFLUX.

4. Industry Use Cases

Aerospace: Essential for turbine blades and combustion chambers, providing top-notch high-temperature oxidation resistance.

Nuclear: Ideal for reactor vessels and fuel piping, delivering outstanding creep strength in challenging radiation environments.

Chemical Processing: Suited for reactors and heat exchangers, offering superior acid corrosion resistance in demanding processes.

4c73c129

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