Hardox 550, Hardox 550 Suppliers, Hardox 550 Stockists

At 550 HBW and with a strength near Hardox 500 hardox® 550, with an ostensible hardness of 550 HBW and durability near Hardox 500, expands wear life however not to the detriment of split uprightness.

Dimension Range hardox 550 is supplied in plate thickness of 8.0 – 65 mm, up to 2900 mm in width and up to 14630 mm in length. More detailed information on dimensions is provided in the dimension program.

Mechanical Properties
Thickness Hardness HBW
Mm Min – Max
8.00- 65.00 525- 575
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. hardox is through-hardened. Minimum core hardness is 90% of the guaranteed minimum surface hardness.

Chemical Composition (heat analysis)
C *) Si *) Mn *) P S Cr *) Ni *) Mo *) B *)
Max % Max % Max % Max % Max % Max % Max % Max % Max %
0.37

0.50

1.30

0.020

0.010

1.40

0.60

0.004

The steel is grain refi ned. *) Intentional alloying elements.

Tolerances: 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.

Thickness: 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 according to SSAB´s mill edge standards or tolerances that conform to EN 10 029.

Shape: Tolerances according to EN 10 029.

Flatness: Tolerances according to hardox Flatness Guarantee class E, which are more restrictive than EN 10 029 Class N.

Surface Properties: According to EN 10 163-2, Class A Subclass 1.