Premium ERNiCrCo-4 Welding Rod: Reliable for Marine Industries

Product Details
Customization: Available
Type: Rolling Wire
Material: Nickel / Nickel Alloy
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  • Premium ERNiCrCo-4 Welding Rod: Reliable for Marine Industries
  • Premium ERNiCrCo-4 Welding Rod: Reliable for Marine Industries
  • Premium ERNiCrCo-4 Welding Rod: Reliable for Marine Industries
  • Premium ERNiCrCo-4 Welding Rod: Reliable for Marine Industries
  • Premium ERNiCrCo-4 Welding Rod: Reliable for Marine Industries
  • Premium ERNiCrCo-4 Welding Rod: Reliable for Marine Industries
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Basic Info.

Model NO.
ERNiCrCo-4
Flux Containing
Not Containing Flux
Slag Characteristic
Acidic
Extended Length
<10mm
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

ERNiCrCo-4 Product Description
Material Type: Nickel-Chromium-Cobalt-Molybdenum Superalloy
AWS Specification: AWS A5.14
Key Characteristics
1. Chemical Composition (Typical):
Nickel (Ni): Base element (≥50%)
Chromium (Cr): 20-23% (enhances oxidation resistance)
Cobalt (Co): 10-15% (improves high-temperature stability)
Molybdenum (Mo): 8-10% (resists localized corrosion)
Iron (Fe): ≤5%Premium ERNiCrCo-4 Welding Rod: Reliable for Marine IndustriesPremium ERNiCrCo-4 Welding Rod: Reliable for Marine IndustriesPremium ERNiCrCo-4 Welding Rod: Reliable for Marine IndustriesPremium ERNiCrCo-4 Welding Rod: Reliable for Marine IndustriesPremium ERNiCrCo-4 Welding Rod: Reliable for Marine IndustriesPremium ERNiCrCo-4 Welding Rod: Reliable for Marine IndustriesPremium ERNiCrCo-4 Welding Rod: Reliable for Marine Industries
This material is engineered to resist pitting, crevice corrosion, and stress corrosion cracking (SCC) even in the harshest environments like acidic, alkaline, and chloride-rich conditions, perfect for marine and chemical processing industries.
Mechanical Strength:
Featuring high tensile strength (≥750 MPa), this material excels in creep resistance, efficiently handling prolonged high-temperature stress.
Weldability:
Seamlessly compatible with multiple welding processes including GTAW (TIG), GMAW (MIG), and SMAW, ensuring versatility in application.
The low carbon content significantly reduces post-weld cracking, enhancing the overall integrity of the weld.
Product Forms & Specifications
Available Forms:
Versatile welding consumables such as wire ranging from 0.8-4.0 mm diameter and electrodes.
Extensive mill products including round bars, sheets, plates, and coils cater to diverse industrial needs.
Standards: ASTM B574, AMS 5826 (if applicable).
Thoughtful packaging with sealed moisture-proof options for welding wires and standard crating for bulk materials ensures safety and integrity during transportation.
Applications
Aerospace: Ideal for high-performance components like combustion chambers, turbine blades, and exhaust systems.
Energy: Ensures reliable performance in *** core components and heat exchangers.
Oil & Gas: Perfectly suited for downhole tools, valves, and piping in challenging sour gas environments.
Chemical Processing: Durable and resistant for reactors, scrubbers, and piping handling sulfuric acid, hydrochloric acid, and seawater.
Processing & Fabrication
Machining: Employ carbide tools, maintaining low cutting speeds with ample coolant to ensure precision and longevity.
Heat Treatment: Achieve optimal results with solution annealing at 1120-1175°C followed by rapid quenching.
Welding Notes:
Thin sections do not require preheating, streamlining the welding process.
Post-weld heat treatment (PWHT) is optional for critical applications, offering flexibility in fabrication.
________________________________________
Notes
1. Cobalt (Co) Role: Cobalt is integral in enhancing high-temperature strength and minimizing thermal expansion, making ERNiCrCo-4 a top choice for ultra-high-temperature applications.
2. Verification Required: Always confirm the exact composition and certification, including EN, UNS, or proprietary grades, with your suppliers to ensure compliance and performance.
3. Alternatives: In the event of unavailability, consider ERNiCrMo-4 (AWS A5.14 ERNiCrMo-4) or Inconel 617 (Ni-Cr-Co-Mo) as viable substitutes, ensuring continuity in your operations.

AWS A5.4 ERNi-1 ERNiCu-7 ERNiCr-3 ERNiCrFe-5 ERNiCrMo-3 ERNiCrMo-4 ERNiCrMo-7
TS(N/mm2) 460 541 671 560 790 729 780
EL(%) 30 39 39 30 43 33 35
C 0.02 0.02 0.03 0.03 0.0037 0.002 0.05
Mn 0.3 1.7 3.05 1 0.03 0.12 0.6
Si 0.16 0.44 0.37 0.04 0.029 0.07 0.02
P 0.0012 0.007 / 0.004 0.003 0.003 0.003
Ti 2.3 / 0.01 / 0.088 / /
S 0.005 0.008 / 0.002 0.001 0.0015  
Cr / / 19.86 15.7 21.95 15.9 16.7
Ni 96.5 65.68 72.8 75.06 64.65 REM REM
Cu / REM 0.06 0.03 0.009 0.008 /
Mo / / / 0.03 9.04 15.9 15.8
Nb / / 2.4 2.3 3.61 / /
V / / / / / 0.01 /
Fe / 0.7 0.23 7.9 0.19 4.12 2.2

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