Monel 400 straight weld wires
Monel 400 straight weld wires are a nickel–copper alloy welding material. They are designed for welding Monel 400 alloy. Their composition matches the base material (nickel is at least 63%, copper is 28%–34%, and there are small amounts of iron, manganese, etc.). Monel 400 straight weld wires are provided in straight form. The diameter range is usually 1.6 mm–4.0 mm. They are suitable for TIG (filler is needed for TIG) and MIG welding processes. They ensure the metallurgical compatibility of the weld and the base material.
Monel 400 straight weld wires are widely used in marine engineering (seawater equipment, marine valves), chemical industry (reactors, acid-resistant pipes), energy (nuclear power cooling systems, oil and gas extraction), and aerospace (engine parts). Monel 400 straight weld wires have excellent corrosion resistance, high-temperature stability, and welding compatibility. They are the ideal choice for welding and repairing key structures in harsh environments. They are especially suitable for environments with acid, alkali, high-temperature steam, and seawater corrosion.
Features of Monel 400 straight weld wires
Excellent corrosion resistance: Monel 400 straight weld wires inherit the corrosion resistance of Monel 400. They can resist acid, alkali, seawater, and high-temperature steam. They perform well in hydrofluoric acid and sulfuric acid environments.
High strength and thermal stability: Monel 400 straight weld wires keep their mechanical properties from -200℃ to 600℃. They are suitable for extreme working conditions.
Good weldability: Monel 400 straight weld wires have low sensitivity to hot cracking. The arc is stable. The weld seam is uniform. Impurities are strictly controlled (sulfur and phosphorus content is less than or equal to 0.015%).
Match: The weld seam color of Monel 400 straight weld wires is the same as the base material. This reduces the need for later treatment.
Applications of Monel 400 straight weld wires
Marine engineering: Monel 400 straight weld wires are used for welding desalination equipment, marine pumps, valves, and pipes.
Chemical industry: Monel 400 straight weld wires are used for welding reactors, heat exchangers, and pipe systems that carry corrosive media.
Energy sector: Monel 400 straight weld wires are used for welding and repairing highly corrosive parts in nuclear power plant cooling systems and oil and gas extraction.
Aerospace: Monel 400 straight weld wires are used for welding and repairing high-temperature engine parts and fuel systems.
|
Parameter |
Specification / Value |
Remarks |
|
Material Standard |
UNS N04400 / AWS A5.14 ERNiCu-7 |
Complies with U.S. & welding standards |
|
Diameter (mm) |
1.6, 2.0, 2.4, 3.2, 4.0 |
Common straight wire sizes, typically 1m length or custom |
|
Alloy Composition (%) |
Ni≥63, Cu 28-34, Fe≤2.5, Mn≤2.0, C≤0.3 |
Low S&P (S≤0.015%, P≤0.02%) |
|
Tensile Strength (MPa) |
≥550 |
Weld metal strength close to base metal |
|
Elongation (%) |
≥30 |
Indicates good ductility |
|
Welding Process |
TIG (filler required), MIG, SAW (with flux) |
Recommended shielding gas: Ar (99.99% purity) |
|
Shielding Gas |
Pure Ar or Ar+He mix (TIG/MIG) |
He ≤25% for deeper penetration |
|
Operating Temperature |
-200°C to +600°C |
Resistant to cryogenic & high-temp oxidation |
|
Packaging |
Straight bundles (typically 10kg/bundle) or custom lengths |
Anti-rust & moisture-proof packaging |
FAQ
Are you a factory or manufacturer?
A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method?
A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.
Why is your product so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.
Do you do spot quality inspection or full inspection?
A: 100% full inspection for sure. All unqualified products are discarded.
How do you ensure your lead time?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of Monel 400 straight weld wires ?
A: Depends on quantity, generally, no MOQ limit.
How to pay for it?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time?
A: around 7-20 days which depends on the quantity and production.
What is kind of the package?
A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo
What is the lead time?
A: from order placed to cargo receiving will take around 10-25 days.
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