ERNiCrFe-2 (AWS 5.14)
AWS A5.14 (welding wire)
National standards GB/T 13814 ENi6133, ISO 14172-ENi 6133
Welding wire code: ERNiCrFe-2 (AWS 5.14)
1. Composition & Specifications
Chemical Composition:
Nickel (Ni): ≥50%
Chromium (Cr): 14.5-16.5%
Molybdenum (Mo): 15-17%
Tungsten (W): 3.0-4.5%
Iron (Fe): 4.0-7.0%
Low impurities (C ≤ 0.02%, S ≤ 0.015%, P ≤ 0.02%) .
Standards Compliance: AWS A5.14 (welding wire), AWS A5.11 (covered electrode) .
2. Physical & Mechanical Properties
Physical:
Density: 8.9 g/cm³
Melting Range: 1,325-1,370°C .
Mechanical:
Tensile Strength: ≥690 MPa
Yield Strength: ≥400 MPa
Elongation: ≥22% (typical values: 720 MPa tensile, 560 MPa yield, 40% elongation) .
Metallurgical Structure: Face-centered cubic (FCC) austenitic matrix .
3. Key Applications
Primary Use: Welding Hastelloy C-276 and similar Ni-Cr-Mo alloys 36.
Dissimilar Metal Joining:
Nickel alloys ↔ Stainless steel/low-alloy steel
Nickel alloys ↔ Carbon steel .
Cladding & Repair: Surface overlay on steel to enhance corrosion resistance .
Industries: Chemical processing, oil/gas, aerospace, flue gas desulfurization (FGD), and cryogenic (e.g., -196°C) services.
4. Welding Process Guidelines
Methods: TIG (GTAW), MIG (GMAW), SMAW (for ENiCrMo-4 variant) .
Parameters:
Preheat: Electrodes baked at 350°C for 1 hour (low-hydrogen practice) .
Gas Shielding: ≥99.99% pure argon; flow rate 10-15 L/min.
Current: DC+ polarity; 70-140 A (varies with diameter).
Critical Practices:
Clean base metal (remove rust/oil/moisture).
Low heat input and interpass temperature to avoid cracking.
5. Product Forms & Availability
Wire:
Diameters: 0.6-3.2 mm (spooled for MIG/TIG).
Electrode (SMAW):
Diameters: 1.6mm-5.0 mm .
6. Performance Advantages
Corrosion Resistance: Superior performance in:
Acidic media (sulfuric, hydrochloric acids)
Chloride-induced pitting/crevice corrosion.
Crack Resistance: Low susceptibility to stress-corrosion cracking (SCC) due to high Mo/W content
Detailed Photos
Product Parameters
| 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 |
Certifications
CE & ISO
Packaging & Shipping
1kg,5kg,15kg,20kg,25kg/spool(tube)
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