AKD-558-O Hardfacing Wire for Wear-Resistant Applications.
A high-chromium hardfacing wire with a hardness range of HRC 60-65, designed for components exposed to severe abrasion in mining, cement, and coal processing industries.
Product Overview
AKD-558-O is a hardfacing wire used for building wear-resistant surfaces on components subjected to high abrasion and impact. It is formulated with high chromium content and carbon to achieve a hardness of HRC 60-65 in the as-deposited condition.
The wire is suitable for applications requiring resistance to wear, such as hammer heads in hammer mills, cutter heads in roadheaders, and other components in mining, cement, electric power, and coal processing industries.
Application: Used in mining, cement, steel, electric power, coal processing. And other wear-resistant applications require industries. Suitable for wear-resistant surfaces that require anti-wear and wear resistance, such as the hammer head of the hammer mill, the cutter head of the roadheader and other components.
Key Benefits
High Hardness for Abrasion Resistance.
The deposited metal achieves a hardness range of HRC 60-65, providing effective resistance to abrasive wear in harsh industrial environments.
High Chromium Content for Wear Protection.
With chromium content between 14.0% and 16.0%, the wire forms a hard, wear-resistant microstructure that maintains integrity under continuous abrasive loads.
Controlled Carbon for Toughness and Hardness Balance.
Carbon content of 4.50% to 5.50% ensures high hardness while maintaining sufficient toughness to resist cracking under impact.
Suitable for Critical Wear Surfaces.
Designed for components like hammer heads and cutter heads where wear life directly affects operational uptime and maintenance costs.
Where It Is Used
- Hammer heads in hammer mills.
- Cutter heads in roadheaders.
- Other components in mining and coal processing exposed to abrasive wear.
- Wear-resistant surfaces in cement and electric power industry equipment.
Who It Is For
- Welding contractors servicing mining and heavy industrial equipment.
- Maintenance teams in cement and coal processing plants.
- Fabricators repairing or rebuilding wear-prone components.
Problems It Solves
- Wear-related failure of components like hammer heads and cutter heads due to insufficient hardness or poor wear resistance.
- Short service life of parts in abrasive environments caused by inadequate material selection.
- Inconsistent performance when using non-standardized hardfacing wires with uncontrolled chemistry.
Specifications
Published by the factory for AKD-558-O. Values not shown are not published on the datasheet and are marked as such rather than estimated.
| Element | Content |
|---|---|
| C | 4.50-5.50 |
| Si | 0.40-0.80 |
| Mn | 0.50-1.0 |
| Cr | 14.0-16.0 |
| Other | 5.0 |
Mechanical property data for this grade is not published on the factory datasheet. Ask our technical team for the test record before you qualify it.
Technical Features
- Hardness range of HRC 60-65 in as-deposited condition.
- Carbon content: 4.50% to 5.50%
- Silicon content: 0.40% to 0.80%
- Manganese content: 0.50% to 1.0%
- Chromium content: 14.0% to 16.0%
- Other elements: 5.0% (total of unspecified alloying elements)
- Supplied as a solid wire for manual or automated hardfacing processes.
Use Guide
- Select welding parameters based on the base material, joint geometry, and desired deposition rate. Use recommended settings for the specific application.
- Clean the base surface thoroughly before welding to remove oil, rust, and scale to ensure good fusion and adhesion.
- Preheat the component to the recommended temperature to reduce the risk of cracking during deposition.
- Control interpass temperature to avoid excessive grain growth and maintain hardness in the deposited layer.
How It Compares
AKD-558-O is a high-carbon, high-chromium hardfacing wire designed for severe wear conditions. It differs from lower-chromium alternatives by offering higher hardness and better abrasion resistance. It is not intended for general structural welding or low-wear applications. For impact-heavy environments requiring toughness, a lower-hardness, higher-toughness wire may be preferred.
Related Grades
Other welding wire in the same family.
AKD-558-O Questions
What is the hardness range of the deposited metal?
What are the key alloying elements and their ranges?
Which industries use this wire?
Can I get technical data and packaging details before ordering?
What packing is AKD-558-O supplied in?
Can we test AKD-558-O before placing a production order?
Request a Quotation for AKD-558-O
Send the diameter, the quantity and the destination port. Our technical team replies with packing, pricing and the data you need to qualify the grade.