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ABREX™ Series, Abrasion Resistant Steel Plate of Nippon Steel & Sumitomo Metal Corporation

Very hard, abrasion-resistant steel plates that are less subject to
abrasion than ordinary steel plates are widely used for bulldozer
blades, dump truck vessels, hydraulic shovel/wheel loader buckets,
and various other parts of construction equipment and industrial machines
that are abraded by impacts of soil, stone, bedrock, etc. while
they are in operation. By using abrasion-resistant steel plates, it is
possible to not only reduce the weight and enhance the performance
of the machine but also cut the running cost of the machine, including
the cost of repair, replacement, etc. of parts. On the other hand,
abrasion-resistant steel plates are required to have not only superior
hardness but also excellent low-temperature toughness to secure
sufficient reliability of steel plates in cold regions as well as good
weldability and bending workability to allow for efficient fabrication
work.

As abrasion-resistant steel plates that meet the above requirements,
Nippon Steel & Sumitomo Metal Corporation has newly
added the ABREX™ (abrasion Resistance excellent) series to the
conventional abrasion-resistant steel plates, WEL-HARD, WELTEN™AR,
and SUMIHARD (Table 1). According to hardness,
ABREX is divided into four standard types and three extra-tough
types. The salient characteristics of the ABREX series are described
below

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Enquiry about ABREX™ Series, Abrasion Resistant Steel Plate of Nippon Steel & Sumitomo Metal Corporation

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Description

Abrasion resistant steel plates are used for abraded member material such as construction machines. The abrasion resistant ability had close relation to the hardness of steel, and we improved the high hardness by the adequacy of the alloy element and control of characteristics.

We achieved ABREX600 having about 600 Brinell hardness now. On the other hand, we developed the low temperature specifications steel which has good toughness even −40 degrees

Celsius to support usage of machines at severe low temperature environment. Furthermore, in consideration of the processing to a structure body, we produce the ABREX™ series
corresponding to a wide use, which have high weldability and workability.

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