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1 Years
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| Brand Name : | Runlai |
| Model Number : | ERNiCu-7 |
| Certification : | CE,ROHS,ISO 9001 |
| Price : | Negotiable |
| Payment Terms : | L/C, T/T, Western Union, MoneyGram |
| Supply Ability : | 300 tons per month |
| Delivery Time : | 20~40 Days |
Marine Engineering ERNiCu-7 Grade Nickel Alloy Welding Wire With Good Welding Performance
Product Introduction
ERNiCu-7 welding wire is a nickel copper alloy welding wire known
for its excellent corrosion resistance and good mechanical
properties, particularly suitable for various applications in
marine engineering. The chemical composition of ERNiCu-7 welding
wire mainly includes 62% to 69% nickel and 18.81% to 36.5% copper,
which has good welding performance and corrosion resistance.This
welding wire is mainly used for welding and repairing key
structures such as offshore platforms, ships, and subsea pipelines.
Due to its excellent resistance to seawater corrosion, ERNiCu-7 can
effectively resist chloride ion erosion in seawater.
In marine environments, ERNiCu-7 welding wire not only provides
excellent corrosion resistance, but also has good conductivity and
thermal conductivity, making it an ideal welding material. In
addition, this welding wire is also suitable for welding dissimilar
materials and can form a strong connection between different
metals. This characteristic makes ERNiCu-7 have important
application value in the manufacturing and maintenance of marine
equipment, which can significantly extend the service life of the
equipment and reduce maintenance costs.
Parameter
| MIG | (15kg/spool), | Size |
| 0.8 1.2 2.4 3.2mm | ||
| TIG | (5kg/box),Strip |
| C | Si | Mn | Cr | P | Ni |
| ≤0.01 | ≤0.2 | ≤0.5 | 22.0-24.0 | ≤0.015 | Rem |
| Al | Mo | Fe | Cu | S | Co |
| 0.10-0.40 | 15.0-16.50 | ≤0.5 | ≤0.1 | <0.01 | <0.20 |
| Typical Welding Parameters | |||||
| Diameter | Process | Volt | Amps (flat) | Amps (V/OH) | |
| inch | (mm) | ||||
| 0.035 | 0.9 | GMAW | 26-29 | 150-190 | Spray Transfer 100% Argon |
| 0.045 | 1.2 | GMAW | 28-32 | 180-220 | Spray Transfer 100% Argon |
| 1/16 | 1.6 | GMAW | 29-33 | 200-250 | Spray Transfer 100% Argon |
| 1/16 | 1.6 | GTAW | 14-18 | 90-130 | 100% Argon |
| 3/32 | 2.4 | GTAW | 15-20 | 120-175 | 100% Argon |
| 1/8 | 3.17 | GTAW | 15-20 | 150-220 | 100% Argon |
| Tensile Strength | 109 Ksi | 790 MPA |
| Yield Strength | 68 Ksi | 470 MPA |
| Elongation | 40-45% | |
| Density g/cm3 | 8.60 g/cm3 | |
| Melting Point ℃ | 1300-1360℃ | |
| Coefficient of Expansion. 21-93 Co, μm/m * Co | 11.90 |
Specific Applications
Advantages and Characteristics
The chemical composition of ERNiCu-7 welding wire mainly includes 62% to 69% nickel and 18.81% to 36.5% copper, which has good welding performance and corrosion resistance.
Contact Us
Email:fbwlau@cnrunlai.com
Oem service:
Welcome customized size
We are experience factory for OEM&ODM service
Customization
This is a series of welding wire products including ERNiCrMo-3, ERNiCrMo-4, ERNiCrMo-13, ERNiCrFe-3, ERNiCrFe-7, ERNiCr-3, ERNiCr-7, ERNiCu-7 and ERNi-1.
Nickel welding wire is available in different grades and specifications depending on specific application requirements. Various nickel alloy welding wires (such as ERNiCr-3, ERNiCrMo-3, etc.) and pure nickel welding wires (such as ERNi-1, ERNi-2, etc.) can be selected according to specific alloy composition and performance requirements.
In short, nickel welding wire is an important welding material with excellent welding performance and adaptability. It plays an important role in various industrial fields, providing reliable welding solutions for manufacturing and maintaining high-quality metal structures.
Q&A
Q: What are the chemical compositions of ERNiCu-7 welding wire?
Answer: The chemical composition of ERNiCu-7 welding wire mainly
includes about 62% nickel, about 30% copper, about 3% manganese,
about 1% titanium, etc.
Q: What materials are mainly welded with ERNiCu-7 welding wire in
marine engineering?
Answer: ERNiCu-7 welding wire is mainly used for welding Monel
alloy, Inconel alloy, as well as some stainless steel and carbon
steel materials in marine engineering.
Q: What is the welding performance of ERNiCu-7 welding wire?
Answer: ERNiCu-7 welding wire has good welding performance,
beautiful weld formation, good plasticity and toughness of the weld
metal, and is not prone to welding cracks.
Q: What are the precautions for using ERNiCu-7 welding wire?
Answer: When using ERNiCu-7 welding wire, attention should be paid
to controlling welding parameters such as welding current, voltage,
and welding speed to ensure the quality of the weld seam; At the
same time, the welding area should be kept clean during the welding
process to avoid contamination.
Q: Apart from marine engineering, what other fields are ERNiCu-7
welding wires suitable for?
Answer: ERNiCu-7 welding wire is also suitable for welding and
repair work in fields such as chemical equipment, oil and gas
pipelines, and food processing equipment, due to its excellent
corrosion resistance and welding performance.
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