ERNiCr-3
Dive into a world of superior welding solutions with our Ni base alloy solid welding wire. Designed for excellence, this wire showcases unparalleled resistance to ductility dip cracking, ensuring your welds are as durable as the base material itself. Experience enhanced tensile strength and seamless weld ability, setting a new standard in the industry.
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) The cornerstone of durability and corrosion resistance.
Cr 18.0-22.0 Crucial for boosting oxidation resistance.
Nb (+Ta) 2.0-3.0 Essential for intergranular corrosion prevention through carbide stabilization.
Mn 2.5-3.5 Enhances toughness while minimizing hot cracking issues.
Fe ≤3.0 Managed to control impurities.
C ≤0.10 Strategically kept low to minimize carbide precipitation.
S/P ≤0.015/≤0.030 maintained for optimal reduction in brittleness.
2. Key Properties
Mechanical Performance:
Tensile Strength: A robust ≥552 MPa (80,000 psi) ensuring exceptional durability.
Elongation: With an impressive ≥30% (4d), flexibility is never compromised.
High-Temperature Capabilities:
Operational Range: From a chilly -196°C to a scorching +550°C for pressure vessels. Outstanding oxidation resistance up to 1200°C, maintaining integrity in sulfur-free environments.
Creep Rupture Strength: Unmatched in enduring sustained thermal stress conditions.
Corrosion Resistance:
Expertly resists oxidation, stress corrosion cracking, and pitting in challenging acid environments like sulfuric, phosphoric, and urea.
3. Welding Applications
Compatible Alloys:
Nickel Alloys: Seamlessly integrates with 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:
Compatible with TIG/GTAW, MIG/GMAW, and Submerged Arc Welding (SAW).
SAW Flux Pairing: Pairs perfectly with INCOFLUX 4 when used with NI-ROD 99 wire. Capable of ≤3 layers with INCOFLUX, broadening your application possibilities.
4. Industry Use Cases
Aerospace: Perfect for turbine blades and combustion chambers with high-temperature oxidation resistance.
Nuclear: Engineered for reactor vessels and fuel piping, offering exceptional creep strength even in radiation-heavy environments.
Chemical Processing: Trusted in reactors and heat exchangers for their formidable acid corrosion resistance.
4358bc9b
| 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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