ERNiCr-3
Introducing our premium-grade Ni base alloy solid welding wire, specifically engineered for exceptional performance. This remarkable wire boasts unparalleled cracking resistance, especially against ductility dip cracking in weld metal. Experience the exceptional tensile strength that meets or exceeds that of the base material. With outstanding weldability, it's an asset to any fabrication process.
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 guarantees exceptional corrosion resistance.
Cr 18.0-22.0 A key player in enhancing oxidation resistance for longevity.
Nb (+Ta) 2.0-3.0 Plays a protective role by preventing intergranular corrosion through carbide stabilization.
Mn 2.5-3.5 Adds toughness while minimizing the risk of hot cracking.
Fe ≤3.0 Maintained under strict impurity control for optimal performance.
C ≤0.10 Essential for minimizing carbide precipitation, ensuring stability.
S/P ≤0.015/≤0.030 Carefully controlled to reduce brittleness, enhancing durability.
2. Key Properties
Mechanical Performance:
Tensile Strength: ≥552 MPa (80,000 psi) Delivering reliable strength for demanding applications.
Elongation: ≥30% (4d) Guarantees flexibility and adaptability in various conditions.
High-Temperature Capabilities:
Operating Range: -196°C to +550°C Ideal for pressure vessels, offering broad operational versatility; Oxidation resistance up to 1200°C in sulfur-free environments, ensuring longevity under extreme conditions.
Creep Rupture Strength: Exceptional performance under sustained thermal stress, ensuring reliability.
Corrosion Resistance:
Designed to resist oxidation, stress corrosion cracking, and pitting in aggressive environments such as acids (e.g., sulfuric, phosphoric) and urea, making it a versatile choice for various industrial applications.
3. Welding Applications
Compatible Alloys:
Perfectly pairs with Nickel Alloys like INCONEL 600/601/690, INCOLOY 800/800HT/330 for superior joint integrity.
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, extending their service life.
Process Compatibility:
Compatible with TIG/GTAW, MIG/GMAW, and Submerged Arc Welding (SAW), offering adaptability for various welding scenarios.
SAW Flux Pairing: Specifically paired with INCOFLUX 4 (when using NI-ROD 99 wire), ensuring consistent quality; ≤3 layers with INCOFLUX to maintain optimal performance.
4. Industry Use Cases
Aerospace: Vital for producing turbine blades and combustion chambers, providing high-temperature oxidation resistance.
Nuclear: Essential for reactor vessels and fuel piping, offering robust creep strength in radiation environments.
Chemical Processing: Highly suitable for reactors and heat exchangers, delivering superior acid corrosion resistance.
c6065bc0
| AWS A5.4 |
ERNi-1 |
ERNiCu-7 |
ERNiCr-3 |
ERNiCrFe-5 |
ERNiCrMo-3 |
ERNiCrMo-4 |
ERNiFeCr-1 |
Tensile Strength
(N/mm2) |
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 |
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