When you need reliable welding materials for demanding marine and industrial applications, Monel 400 Welding Wire delivers exceptional performance. This premium nickel-copper alloy wire offers outstanding corrosion resistance and mechanical strength. Whether you're working on offshore equipment, chemical processing systems, or marine structures, our high-quality welding wire ensures durable, long-lasting joints that withstand harsh environments and extreme conditions.
The product is a solid nickel-copper alloy wire designed for fusion welding applications. This versatile material combines approximately 67% nickel and 33% copper, creating a unique alloy with remarkable properties. The wire maintains excellent weldability while providing superior resistance to seawater, acids, and alkaline solutions.

| Parameter | Specification |
|---|---|
| Grade | Monel 400 (UNS N04400) |
| Standard | AWS A5.14 ERNiCu-7, ASTM F467 |
| Diameter Range | 0.8-4.0 mm |
| Form | Spool (1-15 kg) |
| Supply Ability | 300 Tons/month |
| Delivery Time | 10-25 days |
| Customization | Available |
| Property | Value |
|---|---|
| Density | 8.83 g/cm³ |
| Melting Point | 1300-1350°C |
| Tensile Strength | 517 MPa (75,000 psi) |
| Yield Strength | 170-345 MPa |
| Elongation | 35% min |
| Hardness | 65-85 HRB |
| Nickel Content | 63.0% min |
| Copper Content | 28.0-34.0% |
| Iron Content | 2.5% max |
Our welding wire complies with multiple international standards:
Our welding wire offers several key features that make it ideal for challenging applications:
Exceptional Corrosion Resistance
Outstanding performance in seawater, hydrofluoric acid, and sulfuric acid environments.
01
High Mechanical Strength
Maintains strength across wide temperature ranges, from cryogenic to elevated temperatures.
02
Excellent Weldability
Easy to weld with consistent arc characteristics and minimal spatter.
03
Versatile Applications
Suitable for both manual and automatic welding processes.
04
Marine engineering applications benefit greatly from this material's seawater resistance. Chemical processing equipment relies on its acid resistance properties. Power generation facilities use it for heat exchanger components. Aerospace industry applications include fuel system components. Oil and gas operations utilize it for offshore platform construction.

TSM Technology employs advanced manufacturing techniques to produce superior quality Monel 400 Welding Wire. Our process begins with high-purity raw materials sourced from certified suppliers. We use vacuum induction melting to ensure chemical homogeneity. Cold drawing operations achieve precise diameter control. Heat treatment optimizes mechanical properties. Surface conditioning removes any impurities.
The production process involves several critical steps:

Every batch undergoes rigorous testing protocols. Chemical composition analysis verifies alloy content. Tensile testing confirms mechanical properties. Corrosion resistance testing validates performance. Dimensional inspection ensures specification compliance. Surface quality examination detects any defects. Material certification documents accompany each shipment.
TSM Technology brings over 14 years of expertise in specialty alloy manufacturing. Our 50,000㎡ modern factory houses 100+ precision machines across 8 production lines. We maintain ISO 9001, AS9100D, and AS9120 certifications. Our global reach extends to 70+ countries with proven delivery performance. Advanced R&D capabilities ensure continuous innovation. Customer-focused service provides technical support throughout your project.
Our state-of-the-art manufacturing facility features three specialized factories dedicated to alloy production. Modern equipment includes vacuum induction furnaces, precision drawing machines, and automated testing systems. Climate-controlled environments ensure consistent quality. Skilled technicians operate equipment with precision. Continuous investment in technology maintains our competitive edge.

TSM Technology regularly participates in international trade shows and industry exhibitions. These events showcase our latest innovations and manufacturing capabilities. We demonstrate product quality and technical expertise to global audiences. Customer meetings at exhibitions strengthen business relationships. Industry recognition validates our market position.
Professional packaging protects wire quality during transportation. Moisture-resistant materials prevent contamination. Clearly labeled packages facilitate identification. Various spool sizes accommodate different project requirements. Global logistics network ensures timely delivery. Tracking information keeps you informed throughout shipping.

Q: Can this wire be used for welding in deep-sea environments?
A: Yes, the product is specifically designed for marine applications, including subsea equipment, where seawater corrosion resistance is critical.
Q: What welding processes are compatible with this wire?
A: Our wire works excellently with GTAW (TIG), GMAW (MIG), and submerged arc welding processes.
Q: What is the maximum operating temperature for welded joints?
A: Welded joints maintain structural integrity up to 480°C (900°F) in most applications.
Q: Do you provide material certification documents?
A: Yes, we supply complete material traceability, including MTC (Mill Test Certificate) and SGS test reports with every shipment.
Q: Can you customize the wire diameter for specific applications?
A: Absolutely, we offer customization services for diameter, spool size, and packaging to meet your exact requirements.
Ready to enhance your welding projects with premium Monel 400 Welding Wire? Our technical team stands ready to assist with material selection and application guidance. Contact us today to discuss your specific requirements and receive detailed quotations. Email: info@tsmnialloy.com
Let TSM Technology be your trusted partner for high-performance alloy solutions that deliver exceptional results in the most demanding applications.
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