AR 400 / JFE 400

We offer Wear Resistance AR 400 Steel PlateABREX 400, also called SUMIHARD 400, is a union of toughness and hardness, giving it the exclusivity to be used in moderate wear areas. They are designed to weld quickly, looking good in appearance. Our ABREX 400 wear plates have a uniform thickness that guarantees an excellent surface finish.


Abrex / sumihard plates

What is AR400 steel?

The Abrex 400 and 500 series (Previously named as Sumihard 400 and 500) is the wear plate series  form Nippon Sumitomo Steel Metal Corporation, Japan.

The use of abrasion resistance ABREX steel plate markedly reduces the weight of structural members exposed to serve abrasive conditions. Compare with regular steel, ABREX steel plate reduces structural weight and delivers economic merits.

Adoption of high performance abrasion resistant ABREX will prolong the service life of machinery and component.


ABREX / SUMIHARD K400 Wear Abrasion Resistant Steel Plates

Abrex / Sumihard 400 is a through hardened abrasion resistant steel with a typical hardness of 415 BHN. These steels are the most widely used of the wear resistant grades. They exhibit an excellent combination of high resistance to impact, workability, weld ability and resistance to abrasion. It has about 3 times the abrasion resistance of common steel plate and contributes to prolonging the service life of mechanical parts.

WEAR RESISTANT STEEL PATES is used in areas where there is likely to be a high degree of abrasion or wear of the steel plate.

Steels with a high HB rating (Brinel Hardness) are intended for applications where wear or abrasion resistance is important. The benefit of using an abrasion resistant steel is that that the plant, machinery or constructions working life can be extended considerably. This can significantly improve the reliability, durability and safety of structures and equipment. It also helps to reduce the maintenance costs associated with wear and breakdown of plant.

400 HB steel is over 3 times harder than mild steel (120HB), but only a third as hard as stainless steel (1250HB)

Abrasion & mechanical wear-resistant steel plates for quarries & construction machinery:

  • gravel & stone conveying plants (routes, chutes, hoppers) & crushing plants. Shovels, diggers, graders, bulldozers, dumpers, dredging machines, crushers, grinders, screens, hoppers, mixers, moulds for concrete aggregates.
  • Wear resistance plates for mining machinery.
  • Extractors, unloaders, spiral chutes, crushers, grinders, screens, conveyors.

Abrasion-resistant steel plates for Cement Plants & Refractory Product Plants:
hoppers, crushers, chutes, cyclones, excavator buckets

What is the difference between AR400 and AR500 steel?
The major difference is impact resistance. AR500 has higher abrasion resistance, but AR400 has higher impact resistance. … AR500 steel can withstand the abrasion that the rocks cause by sliding better than the AR400 steel, meaning it would last longer.
AR400 VS AR450 VS AR500

he technical difference between AR400, AR450 and AR500 is the Brinell Hardness Number (BHN), which indicates the material’s level of hardness:

AR400: 360-440 BHN Typically
AR450: 430-480 BHN Typically
AR500: 460-544 BHN Typically

So, what does this mean in terms of usability? How do you know which level of hardness your project needs?

Projects that require AR materials are typically those that need a specific balance between hardness and brittleness. As you increase hardness, you also increase brittleness, making the material difficult to form, shape and weld. For some projects, hardness is critical, so brittleness is sacrificed. But in other cases, the material must be formed and handled, so the level of hardness must be reduced.