ERNiCrMo 4 filler wire
Product name: ERNiCrMo 4 filler wire
Origin: Hangzhou, Zhejiang, China
Product Overview
ERNiCrMo 4 filler wire, as an outstanding representative of the nickel-based alloy material family, occupies an important position in the welding field with its unique chemical composition and excellent performance. It is mainly composed of key elements such as nickel (Ni), chromium (Cr), and molybdenum (Mo). The ingenious ratio of these elements gives the welding wire a series of excellent characteristics, making it an ideal choice for various complex welding conditions.
Product Features
- Super corrosion resistance: ERNiCrMo 4 filler wire has excellent resistance to a variety of corrosive media, whether it is a strong acid and alkali environment or a solution containing corrosive ions such as chloride ions, it can effectively resist pitting and crevice corrosion. In welding applications in chemical, petroleum and other industries, it can ensure the long-term stable operation of the welding parts in harsh chemical environments, greatly extending the service life of the equipment.
- Excellent high temperature strength: In high temperature environments, the welding wire can still maintain high strength and good mechanical properties. When used for welding high-temperature equipment, such as aircraft engines and high-temperature reaction devices in petrochemicals, it will not easily deform or lose its due performance due to temperature increases, ensuring the safe and reliable operation of the equipment under high temperature conditions.
- Good welding performance: The welding wire shows good process performance during the welding process, with stable arc, uniform droplet transition, easy control of the molten pool, and the ability to form high-quality welds. The welded joint has good toughness and crack resistance, meeting the requirements of various welding processes, and can be easily controlled by both manual welding and automated welding equipment.
Why Choose Us?
We have a modern professional factory equipped with advanced production equipment and mature production technology. We strictly follow international quality standards and strictly control every link from raw material procurement to product delivery to ensure the excellent quality of ERNiCrMo 4 filler wire. The factory has a strong production capacity and can meet the order needs of different customers, providing you with a stable supply guarantee.
Application Areas
Petrochemical industry
From the distillation equipment and cracking units in refineries to the reactors, towers and piping systems in chemical plants, they all face severe tests of high temperature, high pressure and various corrosive media. ERNiCrMo 4 wire can meet the welding requirements of these equipment, ensure the quality and corrosion resistance of the welded joints, and provide solid guarantees for the safe and stable operation of petrochemical production.
Aerospace field
The key components of aircraft engines and aircraft must withstand extremely high temperatures and pressures during operation, and the material performance requirements are extremely demanding. This welding wire is widely used in the manufacture and maintenance of aircraft engines, as well as the welding of aircraft structural parts. It can meet the strict requirements of the aerospace field for high strength, high temperature resistance, corrosion resistance and other aspects of materials, helping aircraft to fly safely in the blue sky.
Nuclear energy field
Nuclear energy equipment has almost extreme requirements for the safety and stability of materials. ERNiCrMo 4 filler wire has become an important material for welding nuclear energy equipment due to its corrosion resistance and radiation resistance. From the internal structure of the nuclear reactor to the external protection facilities, welding plays an important role in the key parts of nuclear energy equipment, building a solid defense line for the safe use of nuclear energy.
Chemical composition
|
Item |
Niᵃ |
C |
Mn |
Fe |
p |
S |
Si |
|
AWS Standard |
Bal |
0.02max |
1.0max |
4.0-7.0 |
0.04max |
0.03max |
0.08max |
|
Item |
Cu |
Co |
Cr |
Mo |
V |
W |
Other |
|
AWS Standard |
0.50max |
0.08max |
14.5-16.5 |
15.0-17.0 |
0.35max |
3.0-4.5 |
0.50max |
Mechanical properties
|
Mechanical properties |
Yield strength MPa |
Tensile strength MPa |
Elongation % |
|
AWS Standard |
275 - 450MPa |
650 - 850MPa |
30% - 50% |
Precautions for use
- Preparation before welding: Make sure the welding area is clean and free of impurities such as oil, rust, and moisture to avoid affecting the welding quality. According to the welding process requirements, the weldment should be properly preheated.
- Welding process: Select the appropriate welding current, voltage, and welding speed, and follow the correct welding operation specifications. Pay attention to the selection and flow control of the shielding gas to ensure that the welding area is fully protected by gas to prevent defects such as weld oxidation and pores.
- Post-welding treatment: After welding is completed, the weld is inspected and tested as necessary, such as appearance inspection, non-destructive testing, etc., to ensure that the weld quality meets the requirements. For some special application scenarios, post-weld heat treatment may be required to eliminate welding residual stress and improve the performance of the welded joint.
FAQ
What is the difference between ERNiCrMo 4 filler wire and other common welding wires?
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ERNiCrMo 4 filler welding wire is a nickel-based alloy welding wire. Compared with ordinary welding wire, it has super corrosion resistance and can work stably in a variety of corrosive media, which is difficult for ordinary welding wire to do. In terms of high-temperature strength, it can still maintain high strength and good mechanical properties in high-temperature environment, which is far superior to ordinary welding wire. Moreover, it has good welding performance, high weld quality, strong toughness and good crack resistance, and ordinary welding wire is also inferior in these aspects.
Which welding processes is this wire suitable for?
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ERNiCrMo 4 filler wire is suitable for a variety of welding processes, such as manual arc welding, gas shielded welding (including argon arc welding, carbon dioxide gas shielded welding, etc.) and automated welding processes. It has a stable arc, uniform droplet transition, and easy-to-control molten pool, which can meet the requirements of different welding processes.
How to choose the appropriate shielding gas during welding?
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Generally, for welding of ERNiCrMo 4 filler wire, argon is recommended as the shielding gas. Pure argon can effectively prevent the weld from being oxidized during the welding process and avoid defects such as pores. In some special application scenarios, it is also possible to add an appropriate amount of carbon dioxide and other gases to the argon according to actual needs to adjust the composition of the shielding gas to achieve better welding results, but it needs to be precisely adjusted according to the specific welding process and weldment requirements.
What is the general preheating temperature of the weldment before welding?
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The preheating temperature of the weldment needs to be determined according to the specific weldment material, thickness and welding process requirements. Usually for some low alloy steel or medium alloy steel weldments, the preheating temperature is around 150-250℃; for high alloy steel or special material weldments, the preheating temperature may need to be higher, generally 250-400℃. Before actual operation, be sure to refer to the relevant welding process assessment report or consult a professional welding engineer to ensure the accuracy of the preheating temperature.
How long is the product warranty period?
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Under normal storage and use conditions, the warranty period of our ERNiCrMo 4 filler wire is 12 months. When storing, it should be kept dry and ventilated to prevent the wire from getting damp and rusting, which will affect the welding performance.
How To Order
| Type | ERNiCrMo 4 welding wire | ERNiCrMo 4 welding wire | ERNiCrMo 4 welding wire |
|---|---|---|---|
| Material | Nickel, Iron, Carbon, etc | Nickel, Iron, Carbon, etc | Nickel, Iron, Carbon, etc |
| Welding | MIG | TIG | SAW |
| Size | 0.8mm, 1.0mm, 1.2mm, etc | 0.8mm, 1.0mm, 1.2mm, etc | 0.8mm, 1.0mm, 1.2mm, etc |
| Tolerance | (-0.04/-0.01)mm | (-0.04/-0.01)mm | (-0.04/-0.01)mm |
| Processing | VIM+ESR | VIM+ESR | VIM+ESR |
| Packaging | Plastic Spool, Plastic Box, Carton Box, Wooden Case | Plastic Spool, Plastic Box, Carton Box, Wooden Case | Plastic Spool, Plastic Box, Carton Box, Wooden Case |
| M.O.Q | 1 ton | 1 ton | 1 ton |
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