Hardox 400 Plates

Hardox 400 Plates

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General Product Description.

Hardox 400 is an abrasion resistant steel with a nominal hardness of 400 HBW. Typical applications are components and structures subject to wear.

Available dimensions
Hardox 400 is available in thicknesses of 3 – 130 mm. Hardox 400 is available in widths up to 3350 mm and lengths up to 14630 mm. For widths ≤ 1600 mm and thicknesses between 3 – 8 mm preferred widths are 1500 or 1600 mm.

Mechanical Properties

Tensile Strength Yield Strength
Grade Origin Mpa Mpa Elongation in 2 inches (min.)% Brinell Hardness
Hardox 400 Sweden 1250 1000 10 360-440

1) Brinell hardness, HBW, according to EN ISO 6506-1, on a milled surface 0.5 – 3 mm below surface. At least one test specimen per heat and 40 tons. The nominal material thickness will not deviate more than ± 15 mm from that of the test specimen.

The plates are through-hardened to a minimum of 90 % of the guaranteed minimum surface hardness

Chemical Composition (heat analysis)

Grade C max Mn max P max S max Si max Cr max Ni max Mo max B max V Other Element
Hardox 400 0.20 1.60 0.025 0.70 0.80 1.00 0.80 0.005



Tolerances according to thickness precision guarantee AccuRollTech.
– AccuRollTech meets the requirements of EN 10029 Class A, but o! ers narrower tolerances.
– Width ≤ 1600 mm and thicknesses 3 – 8 mm conform to EN 10051. Tighter tolerances available on request.

Length and Width
According to dimension program.
– Tolerances according to mill edge standards or tolerances that conform to EN 10029.
– Width ≤ 1600 mm and thicknesses between 3 – 8 mm conform to EN 10051. Tighter tolerances available on request.

Tolerances according to EN 10029.
– Width ≤ 1600 mm and thicknesses 3 – 8 mm according to EN 10051.

Tolerances according to flatness tolerances which are more restrictive than EN 10029 Class N (steel type L).
– Width ≤ 1600 mm and thicknesses 3 – 8 mm conform with the requirements of EN 10051 but o! er narrower tolerances.

Surface Properties
According to EN 10163-2, Class A Subclass 1.

Delivery Condition
The delivery condition is Q or QT (Quenched or Quenched and Tempered). The plates are delivered with sheared or thermally cut edges. Untrimmed mill edges are available by agreement. Width ≤ 1600 mm and thicknesses 3 – 8 mm delivered as cut-to-length with an rolled surface and mill edges as standard. Cut edges are an option. Thicknesses over 80 mm are delivered
with mill edge as standard.


   Through Hardened for Long Wear Life
   Superb Cold Bending & Welding Properties
   High Impact Properties
   Flat Clean, Shot Blasted and Primed Finished Products


   Dump Truck Bodies
   Loading Buckets & Bulldozers

We are Stocking  Following  Origin (Make)  Plates
Voestalpine (Austria – Europe) JFE Steel Corporation (Japan)
POSCO (South Korea) SSAB Alabama Inc. (USA)
JINDAL STEEL AND POWER LTD (USA) Azovstal Iron & Steel Works (Ukraine)
Nippon Steel & Sumitomo Metal Corporation (Japan)  Arcelor Mittal (USA)
Kobe Steel, Ltd. (Japan) Nucor Steel (USA)