Hardox Extreme

Steel for extreme abrasion resistance

Hardox Extreme is the world's hardest wear plate with a nominal hardness of 60 HRC (Rockwell) and typical hardness of 650-700 HBW.

Hardox Extreme is an abrasion resistant steel with a nominal hardness of 60 HRC, intended for applications with extreme high demands on abrasion resistance. Typical applications is liner plates, etc.

Hardox Extreme
Mechanical Properties
Thickness (mm) Typical Hardness (HRC)
8.0 - 19.0 57 - 63

More details are given in SSAB´s brochure 41-General product information Strenx, Hardox, Armox and Toolox-UK and Hardox Guarantees or on www.ssab.com.

Tolerances according to Hardox Thickness Guarantees. Hardox® Guarantees meets the requirements of EN 10 029 Class A but offers more narrow tolerances.

Length and Width
According to SSAB’s dimensions program. Tolerances conforms to EN 10 029 or to SSAB’s standard after agreement.

Tolerance according to EN 10 029.

Tolerances according to Hardox Flatness Guarantee class E, which are more restrictive than EN 10 029.

Surface Properties
EN 10163-2 Class A Subclass 1

Chemical Composition

Chemical Composition (heat analysis)

C *)
(max %)
Si *)
(max %)
Mn *)
(max %)
P *)
(max %)
S *)
(max %)
Cr *)
(max %)
Ni *)
(max %)
Mo *)
(max %)
(max %)
0.47 0.50 1.40 0.015 0.010 1.20 2.50 0.80 0.005

The steel is grain refined.

Carbon Equivalent CET(CEV)

Thickness sheet
Max CET(CEV) 0.57(0.69)
Typ CET(CEV) 0.55(0.66)

Carbon Equivalent CET(CEV)

Delivery Conditions

The delivery condition is Q (Quenched). The plates are delivered with sheared or thermally cut edges. Untrimmed edges after agreement.

Delivery requirements can be found in SSAB’s brochure 41-General product information Strenx, Hardox®, Armox and Toolox-UK or at www.ssab.com.

Tech Support

Documents to download