Reliable weld overlay company since 2005. WALDUN both provide wear parts, wear plates, weld overlay machines and etc

What WALDUN Supply as Weld Overlay Company


Wear Plate

Extended service lifetimes on high-wear surfaces become a reality with WALDUN composite wear plates. An efficient, use-anywhere solution, WALDUN deliver rugged protection and low wear costs.

Chromium Carbide Overlay Pipe

Wear Pipe

Extended service lifetimes on high-wear surfaces become a reality with WALDUN overlay pipes. An efficient, use-anywhere solution, WALDUN deliver rugged protection and low wear costs.


Wear Parts

This is where our first-class WALDUN hardfacing wear parts combine with the latest welding technology and the skills of our experienced welders to provide individual, customized solutions.


Plate Welding Machine

WALDUN manufacture wear plates machines for more than 15 years. If you have any question concerning the equipment or you need an improvement or a modification, contact us at any time.


Pipe Welding Machine

WALDUN pipe clad machine creates a smooth pipe surface with an even radius throughout the whole pipeline, which ensures a superior flow of material to keep the factory running smoothly.


Welding Wire Line

WALDUN offers turnkey projects’ service for the fabrication of the welding wire production line. Our corporation has efficiently supplied significant turnkey projects for different companies and Vietnam projects.

Why Choose WALDUN?

R&D and Knowhow

WALDUN is using its R&D machines for manufacturing different types of wear parts for international projects since it’s established in 2006.

Certified Experience

WALDUN wear products are sold worldwide and meet local certification requirements, including Europe, America, South America, Australia, Asia and etc.

Moderate Price

WALDUN wear products’ market positioning is always of high quality and affordable. Contact us for a solution now!

Longtime Guarantee

WALDUN wear plates are of high quality and can be used for quite a long time. WALDUN wear plates production equipment with a one-year warranty and lifetime maintenance.

15 Years Experience

WALDUN specialized in providing solutions for wear resistance for 15 years, and have many successful projects in cement, power plant, mining, glass, ATMs, etc.

Great Service Support

WALDUN has a sound service system, including pre-sale, mid-sale, and after-sale. We are committed to answering your request within 8 hours.

Customers & Partners


FAQ for Weld Overlay Company | WALDUN

Overlap welding can increase the size of the welded workpiece. It is a kind of surface engineering to recover the welded parts or the deposited metal, which has unique properties. Hardfacing using a welding heat source, form a molten metallurgical bond between the surface of the base material and the material deposited on a surface engineering surface. Its purpose is to borrow welding, in the parts of the deposition of one or more layers of material, to obtain the required wear-resistant, heat-resistant, corrosion-resistant, and other special properties deposited layer.

There are four main types of overlays.

  1. Abrasion-resistant hardfacing: to reduce the abrasive abrasion, corrosion, impact, or cavitation of the welded surface of the hardfacing layer used.
  2. cladding hardfacing: to make the surface corrosion resistance, in carbon steel or alloy steel base material on the hardfacing of a certain thickness of filler metal.
  3. Isolation layer hardfacing: Welding of dissimilar materials, or special requirements, to ensure the quality and performance of the joint, to do isolation of the base material in advance.
  4. Thickening hardfacing: on the surface of the weld, joint edges, or to restore the required size of the component to add metal.

Welding and welding overlay are two different technologies, and there is no relationship between them.

Welding: Welding is a manufacturing process and technique of joining metals or other thermoplastic materials such as plastics using heat, high temperature, or high pressure.

hardfacing: hardfacing, as an economical and rapid process method for surface modification of materials, is becoming more and more widely used in the manufacturing and repairing parts in various industrial sectors. It can make the most effective use of the hardfacing layer. It is desirable to use hardfacing methods with less dilution of the base material, higher deposition rates, and excellent hardfacing layer properties. i.e., high quality, efficient and low dilution rate hardfacing techniques.

Hardfacing alloys mainly include. Iron-based wear alloy, nickel-based wear alloy, cobalt-based wear alloy, tungsten carbide wear alloy, ceramic composite, etc.

Flame hardfacing; manual arc hardfacing; submerged arc hardfacing; melt electrode gas shielded hardfacing; tungsten argon arc hardfacing; plasma arc hardfacing; electro-slag hardfacing.

Our product has no limit to quantity, it can be ordered according to customer requirement.

Generally speaking, our bimetallic overlay wear plate is 4.5~8 times than Hardox series in service life.

Generally it is 5-10 days if the goods are in stock. or it is 15-25 days if the goods are not in stock, it is according to quantity.

Yes, we could offer the sample for free charge.

We accept TT,LC.If you have good credit, we can accept OA.

Our company has a professional after-sales service team, with many years of experience not only on hardfacing products and applications, but also on the operation of application equipment. We are able to quickly solve customer’s problems. If there are any quality problems, the responsible person will provide reasonable solutions within 12 hours after being notified.

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