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# Hardox® round bars: guaranteed, through-hardened wear resistance
Hardox® hot-rolled round steel bars are a unique combination of hardness, toughness, and weldability, suitable for heavy-duty applications including downhole drilling, mining, engineering, machining, agricultural and construction equipment, such as rod mills, quick couplers, and sieve buckets. Ready-to-use, versatile Hardox® round bars come preheat treated with a guaranteed through-hardnesses, high toughness, and excellent weldability.
## 400 HBW hard, 65 Charpy V tough, 145 ksi YS strong
State-of-the-art heat treatment and careful alloying allow us to reach the same hardness level (min. 90%) at the core of the round bar as on its surface. Alloying is further optimized for consistent behavior based on the hot-rolled steel rod’s thickness and grade. While hardness fights abrasion, Hardox® round bar’s toughness also makes it impact resistant to Charpy V 65 at -40°F/-40°C.
## Highly weldable and workshop friendly
Hardox® hot-rolled steel bars are ideal for replacing parts previously cut and shaped from steel plate. Easy to both weld and machine, Hardox® steel rods require no preheating — saving you time and workshop costs. With its exceptional weldability, any conventional welding process can be used to weld Hardox® round bars to any other weldable steel. Hardox® round rods have been successfully turned to very high tolerances by expert machining centers for applications such as axles, pins, and couplings.
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The Workshop properties for Hardox® 400 round bar
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Hardox® 400 Round bar turning recommendations
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Hardox® 400 Round bar band sawing recommendations
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## Hot-rolled round bars with guaranteed strength and fatigue resistance
Hardox® round bars combine their high strength and impact toughness with fatigue resistance that is comparable to ingot-casted steel rods. Available as-rolled or with bright surfaces, Hardox® round bars are an upgrade solution for manufacturers of wear-resistant tools, attachments, and machinery.
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## Welding, bending, and machining
Recommendations can be found in brochures below. Hardox® 400 is not intended for further heat treatment. It has obtained its mechanical properties by quenching and, when necessary, by means of subsequent tempering. The properties of the delivery condition cannot be retained after exposure to temperatures more than 480ºF.
Appropriate health and safety precautions must be taken when welding, cutting, grinding, or otherwise working on this product. Grinding, especially of primer coated plates, may produce dust with a high particle concentration.
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Welding of Hardox®
## Downloads
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Dimension program Hardox® Round bars
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| Product Name | Hardness (HBW) | Typical yield strength | Datasheet |
| --- | --- | --- | --- |
| Hardox® 400 Bar | 370 - 540 | - |  |
Product Name
Hardox® 400 Bar
Hardness (HBW)370 - 540Typical yield strength-DatasheetExpandContact Abraservice  Contact us with your questions or inquiries
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# Toolox® 44 Round Bars
Pre-hardened, precise, predictable steel, now in round bars.
Toolox® round bars are pre-hardened, ready-to-use quenched and tempered tool steels that come in a wide range of diameters from small to large.
Suitable for engineering applications in tool holders and in different types of shafts and rolls, the diameter dimensions also provide a better solution for round parts in tooling applications like molding and in dies for aluminium die casting.
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Toolox® in round bars
English (USA)Hide/Show specific columns Edit
| Product Name | Dimensions | Datasheet |
| --- | --- | --- |
| Toolox® 44 round bar | D: 0.827 - 13.898 in D: 21.0 - 353.0 mm |  |
Toolox® 44 round bar
Dimensions
 D: 0.827 - 13.898 in
 D: 21.0 - 353.0 mmDatasheetExpandContact Abraservice  Contact us with your questions or inquiries
# Wear-resistant steel
Also known as abrasion-resistant steels are quenched steels to obtain hard martensitic microstructure. Due to high hardness, they have high mechanical properties which allow them to increase the lifetime of wear parts as well as significantly decrease the weight of equipment. Despite high hardness, abrasion-resistant steels can be bent, welded, cut, and machined with all common methods.
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## Hardox® wear plate
Its incomparable hardness and impact strength ensure high productivity, enhanced durability, and an extended service life for the product. Hardox® is a trademark of the SSAB group of companies.
## Duroxite®
Product range is targeted at different types of wear, such as abrasion, impact, heat, metal-to-metal and erosion wear. Duroxite® is particularly well suited to fighting sliding wear from exceptionally hard particles such as minerals containing quartz.
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