Haynes M400 Welding Wire

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Conrad Welding Supplies, located in Houston, USA, is a reliable manufacturer and supplier of Haynes M400 Welding Wire, providing top-notch welding consumables designed for marine, chemical, and industrial settings. Haynes M400, which is similar to Monel 400, is a nickel-copper alloy that stands out for its remarkable resistance to corrosion, especially in seawater, hydrofluoric acid, and alkaline environments. Our M400 welding wire boasts excellent strength, ductility, and weldability, ensuring consistent performance in both fabrication and repair tasks. Conrad’s Haynes M400 wire is perfect for joining and overlaying critical components in corrosive and high-strength applications across various industries.

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Welding Wire

Haynes M400 Welding Wire Specification

Classification AWS A5.15, QQ-N-281
Form MIG spools, TIG cut lengths, Reels and Coils
Type Of Welding Inert Gas Welding
Current MIG-DCEP / TIG-DCEN
Size 0.76 mm ∞ *4.70xmm
HAYNES M400 Welding Wire Application & uses
  • Petroleum
  • Chemical plant
  • Power sector
  • Gas Industry
  • Hardware tools
  • Metallurgy
  • Machinery
  • Construction
  • Shipbuilding

What is Haynes M400 Welding Wire?

Haynes M400 Welding Wire primarily consists of nickel (~63%) and copper (28–34%), along with small amounts of iron, manganese, silicon, and carbon. This solid-solution alloy isn’t hardenable through heat treatment, yet it maintains impressive mechanical properties across a wide temperature range. It offers a tensile strength of at least 550 MPa, a yield strength of at least 240 MPa, and an elongation of at least 30%. M400 is highly resistant to stress corrosion cracking, acidic and alkaline environments, and seawater. It also ensures smooth weldability with minimal chances of cracking or porosity, making it ideal for high-integrity welds in demanding service conditions.

 

If You Are Looking To Buy High Quality
Electrodes and Filler Wire

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Haynes M400 Welding Wire Chemical Composition

Elements Content (%)
Nickel, Ni 30 – 45
Chromium, Cr 12 – 32
Cobalt, Co  5
Molybdenum, Mo  5
Columbium + Tantalum (Cb + Ta)  4
Silicon, Si  3
Manganese, Mn  2
Carbon, C  0.20

Haynes M400 Welding Wire Mechanical Properties

Properties Metric Imperial
Tensile strength  450 MPa  65300 psi
Yield strength  240 MPa  34800 psi
Elongation at break  25%  25%

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Top Manufacturer and Supplier of Haynes M400 Welding Wire in Houston , USA​

Conrad Welding Supplies is a Top manufacturer and supplier of high-quality Haynes M400 Welding Wire in Houston , USA. Specializing in welding solutions, we provide a wide range of products, including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux and filler wires. Known for our reliable delivery and superior customer service, We are committed to offering top-tier welding materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your welding needs.

Modern Equipments

Well Maintained

Expert Engineers

Efficient Factories

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Types of Haynes M400 Welding Wire

Haynes M400 MIG Spools
Haynes M400 Filler Wire Coil
Haynes M400 RTW Welding Wire
Haynes M400 TIG Cut Lengths
Haynes M400 Welding Wire Reel
Haynes M400 Welding Wire

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Haynes M400 Welding Wire Uses

Haynes M400 Welding Wire is extensively utilized in marine engineering, chemical processing, oil and gas, and power generation industries due to its outstanding resistance to saltwater, hydrofluoric acid, and alkaline solutions. It’s perfect for welding and fabricating heat exchangers, pump shafts, valves, seawater piping systems, and chemical storage tanks. Its non-magnetic and corrosion-resistant properties make it a great choice for military, subsea, and aerospace applications. Haynes M400 is also favored for cladding operations in environments susceptible to galvanic corrosion, ensuring durability and reliability in challenging conditions.

Industry We Serve

We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.