Armox 520T

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Armox® 520T

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Specifications Armox 520T

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General description of productsMechanical propertiesImpact propertiesChemical composition (bucket analysis)Tolerances

General description of products Armox 520T

High-strength armor with extraordinary strength properties.

Armox® 520T is the world’s strongest protective plate with a nominal hardness of 520 HBW for use in vehicles, buildings and many other applications.

Benefits of Armox® 520T include:

  • Market-leading steel protection
  • Wonderful properties of the workshop
  • Optimized solutions
  • The perfect balance between hardness and strength for combined penetration and impact protection
  • Ballistic protection expertise from SSAB

It offers vehicle developers new ways to increase protection through lightweight structures.

Armox® 520T is not intended for further heat treatment.

Mechanical properties Armox 520T

THICKNESS
(mm )		 HARDNESS
(HBW )		 YIELD LIMIT R P0.2
(ХВ . MPa)		 BREAKING STRENGTH R M
(MPa )		 EXTENSION A 5
(MIN .%)
4,0 – 12,0 500 – 550 1225 1500 – 1850 роки 8

Mechanical tests

Brinell hardness test according to EN ISO 6506-1 for each individual heat treatment.

Charpy impact test according to EN ISO 148 at each heating and thickness from 6 mm.

Tensile test according to EN ISO 6892 at each heating.

Ultrasonic control

According to EN ISO 10 160, class E3 S3.

Impact properties Armox 520T

THICKNESS
(mm )		 MINIMUM IMPACT ENERGY FOR TRANSVERSE TESTING,
TEST SAMPLE SHARPIE V 10X10 MM1)
4,0 – 12,0 27 Дж / -40 °C

1) Average of three tests. Across the rolling direction. Single value min. 70% of the specified average. For plates less than 12 mm thick, an undersized Charpy-V specimen is used. Then the specified minimum value is proportional to the cross section of the sample.

Chemical composition (bucket sample) Armox 520T

C *)
(МАКС. % )		 SI *)
(МАКС. % )		 MN *)
(МАКС. % )		 P
(МАКС. % )		 S
(МАКС. % )		 CR *)
(МАКС. % )		 NI *)
(МАКС. % )		 МО *)
(МАКС. % )		 B *)
(МАКС. % )
0,32 0,40 1.20 0,010 0,003 1.0 1,80 0,70 0,005

Tolerances Armox 520T

More detailed information can be found in SSAB’s Armox® Guarantees brochure or at www.ssab.com.

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Thickness

THICKNESS
(mm )		 ADMISSION
(mm )
4,0 – 12,0 – 0,0 / + 0,6

Length and width

According to SSAB size program.

  • Tolerances conform to EN 10029 or SSAB standard upon agreement.
  • Tolerances on the dimensions of a sheet with a milled edge according to a special agreement.

Form

Tolerances according to EN 10029.

Flatness

Tolerances according to Armox® flatness guarantees which are more restrictive than EN 10029 Class N (L type steel).

Surface quality

According to EN 10163-2, class B, subclass 3.

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Hardox®, Armox®, Ramor®, Strenx®, Toolox®, Domex®, Duroxite® and SSAB Boron are registered trademarks of SSAB. Hard Steel Industry is an independent supplier of steel in these grades and is not an official SSAB dealer.