Premium ERNiCr-3 MIG Wire for High-Quality Welding Results

• 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 unparalleled welding excellence with our Ni base alloy solid welding wire. Renowned for its superb resistance to ductility dip cracking, it significantly enhances the tensile strength of weld metal, matching or surpassing that of the base material itself. Combining outstanding weldability, our wire is your go-to choice for premium welding results.

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) Serving as the base metal, it provides robust corrosion resistance.

Cr 18.0-22.0 Offers superior oxidation resistance.

Nb (+Ta) 2.0-3.0 Essential for preventing intergranular corrosion through carbide stabilization.

Mn 2.5-3.5 Enhances toughness and minimizes hot cracking.

Fe ≤3.0 Stringent impurity control.

C ≤0.10 Reduces carbide precipitation, ensuring durability.

S/P ≤0.015/≤0.030 Key to decreasing brittleness.

2. Key Properties

Mechanical Performance:

Tensile Strength: An impressive ≥552 MPa (80,000 psi), guaranteeing reliability.

Elongation: ≥30% (4d), offering flexibility and resilience.

High-Temperature Capabilities:

Operating Range: From a chilling -196°C to a hot +550°C, perfect for pressure vessels. Withstands oxidation up to 1200°C in sulfur-free environments, providing safety and longevity.

Boasts excellent creep rupture strength under continuous thermal stress.

Corrosion Resistance:

Exhibits resistance to oxidation, stress corrosion cracking, and pitting in harsh acids like sulfuric, phosphoric, and urea environments.

3. Welding Applications

Compatible Alloys:

Effortlessly welds with Nickel Alloys such as INCONEL 600/601/690, and INCOLOY 800/800HT/330.

Dissimilar Metal Joints

Nickel alloys ↔ Carbon steel/stainless steel

INCOLOY 330 ↔ MONEL alloys.

Surface Cladding:

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

Process Compatibility:

Highly adaptable with TIG/GTAW, MIG/GMAW, and Submerged Arc Welding (SAW) processes.

SAW Flux Pairing: Compatible with INCOFLUX 4 and NI-ROD 99 wire; effective up to ≤3 layers. Ensures optimal results with INCOFLUX.

4. Industry Use Cases

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

Nuclear: Ideal for reactor vessels and fuel piping, providing robust creep strength even in radiation environments.

Chemical Processing: Essential for reactors and heat exchangers, ensuring resistance against acid corrosion.

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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