Armox 440T

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Armox® 440T

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Specifications Armox 440T

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

General description of products Armox 440T

Explosion protection plate.

Armox® 440T combines excellent penetration and impact resistance. It offers vehicle developers new ways to increase protection with lightweight structures.

Benefits of using Armox® 440T include:

  • Great features of the workshop
  • Optimized solutions
  • Perfect balance between hardness and strength for combined penetration and impact protection
  • Ballistic protection expertise from SSAB

Armox® 440T is not intended for further heat treatment.

Mechanical properties Armox 440T

THICKNESS
(mm )		 HARDNESS
(HBW )		 YIELD LIMIT RP0.2
(CM . MPa )		 TEARING STRENGTH RM
(MPa )		 EXTENSION A5
(MIN . % )		 EXTENSION A50
(МІН . % )
4,0 – 30,0 420 – 480 1100 1250 – 1550 роки 10 12
30,1 – 50,0 420 – 480 1050 1250 – 1550 роки 10 12
50,1 – 80,0 420 – 480 1000 1250 – 1550 роки 10 12

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 for each heating and thickness.

Ultrasonic control

According to EN ISO 10 160, class E3 S3< /span>.

Impact properties Armox 440T

THICKNESS
(mm )		 MINIMUM IMPACT ENERGY FOR TRANSVERSE TEST,
SHARPIE V 10X10 MM TEST SAMPLE1)
4,0 – 80,0 45 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 440T

C*)
(MAX.% )		 SI*)
(MAX.% )		 MN*)
(MAX.% )		 P
(MAX.% )		 S
(MAX.% )		 CR*)
(MAX.% )		 NI*)
(MAX.% )		 MO*)
(MAX.% )		 B *)
(MAX.% )
0,21 0,50 1.20 0,010 0,003 1.0 2.50 0,70 0,005

Grilled steel. *) Intentional alloying elements.

Tolerances Armox 440T

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 – 12,9 – 0,0 / + 0,6
13,0 – 20,0 – 0,0 / + 0,8
20,0 – 40,0 – 0,0 / + 1,0
40,1 – 59,9 – 0,0 / + 1,4
60,0 – 80,0 – 0,0 / + 1,6

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.