Armox® 520T

General Product Description

High hardness armor with extraordinary toughness properties.

Armox® 520T is the world’s toughest protection plate, having nominal 520 HBW hardness, for use in vehicles, buildings and many more applications.

Benefits of Armox® 520T include:

Market-leading steel protection
Superior workshop properties
Optimized solutions
Perfect hardness/toughness balance, for combined penetration and blast protection
Expertise in ballistic protection from SSAB

It offers vehicle designers new ways to increase protection using lighter weight designs.

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

Mechanical Properties

Hide/Show specific columns Edit

Select columns to display

Thickness (mmin)	Hardness (HBW)	Yield strength R_p0.2 (min MPaksi)	Tensile strength R_m (MPaksi)	Elongation A₅ (min %)	Elongation A₅₀ (min %)
4.0 - 12.00.157 - 0.472	500 - 550	1225178	1500 - 1850218 - 268	8	10
12.1 - 50.00.157 - 1.969	500 - 550	1200174	1500 - 1850218 - 268	8	10

Compare parameters

Select one parameter to compare

Hardness
(HBW)

Yield strength R_p0.2
(min MPaksi)

Tensile strength R_m
(MPaksi)

Elongation A₅
(min %)

Elongation A₅₀
(min %)

Thickness
(mmin)

4.0 - 12.00.157 - 0.472

Hardness
(HBW)

500 - 550

Yield strength R_p0.2
(min MPaksi)

1225178

Tensile strength R_m
(MPaksi)

1500 - 1850218 - 268

Elongation A₅
(min %)

8

Elongation A₅₀
(min %)

10

Expand Collapse

Thickness
(mmin)

12.1 - 50.00.157 - 1.969

Hardness
(HBW)

500 - 550

Yield strength R_p0.2
(min MPaksi)

1200174

Tensile strength R_m
(MPaksi)

1500 - 1850218 - 268

Elongation A₅
(min %)

8

Elongation A₅₀
(min %)

10

Expand Collapse

Mechanical Testing

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

Charpy impact test according to EN ISO 148 on each heat and thickness from 6 mm.

Tensile test according to EN ISO 6892 on each heat.

Ultrasonic testing

According to EN 10160 Class E₃S₃.

Impact Properties

Hide/Show specific columns Edit

Select columns to display

Thickness (mmin)	Min impact energy for transversal testing, Charpy V 10x10 mm test specimen ¹⁾
4.0 - 50.00.157 - 1.969	27 J / -40 °C20 ft-lbs / -40 °F

Compare parameters

Select one parameter to compare

Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen ¹⁾

Thickness
(mmin)

4.0 - 50.00.157 - 1.969

Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen ¹⁾

27 J / -40 °C20 ft-lbs / -40 °F

¹⁾ Average of three tests. Transverse to rolling direction. Single value min. 70% of specified average. For plate thicknesses under 12 mm sub-size Charpy-V specimen are used. The specified minimum value is then propotional to the specimen cross-section.

Chemical Composition (ladle analysis)

Hide/Show specific columns Edit

Select columns to display

C^*) (max %)	Si^*) (max %)	Mn^*) (max %)	P (max %)	S (max %)	Cr^*) (max %)	Ni^*) (max %)	Mo^*) (max %)	B^*) (max %)
0.32	0.40	1.20	0.010	0.003	1.0	1.80	0.70	0.005

Compare parameters

Select one parameter to compare

Si^*)
(max %)

Mn^*)
(max %)

P
(max %)

S
(max %)

Cr^*)
(max %)

Ni^*)
(max %)

Mo^*)
(max %)

B^*)
(max %)

C^*)
(max %)

0.32

Si^*)
(max %)

0.40

Mn^*)
(max %)

1.20

P
(max %)

0.010

S
(max %)

0.003

Cr^*)
(max %)

1.0

Ni^*)
(max %)

1.80

Mo^*)
(max %)

0.70

B^*)
(max %)

0.005

Expand Collapse

Tolerances

More details are given in SSAB brochure Armox® Guarantees or on www.ssab.com.

Thickness

Tolerances according to Armox® Thickness Guarantees.

Armox® Guarantees meet the requirements of EN 10029 Class C, but offers narrower tolerances.

Length and Width

According to SSAB´s dimension program.

Tolerances conform to EN 10029 or to SSAB´s standard after agreement.
Dimensional tolerances for plate with mill edge according to special agreement.

Shape

Tolerances according to EN 10029.

Flatness

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

Surface Properties

According to EN 10163-2 Class B, Subclass 3.

Delivery Conditions

The delivery condition is QT (Quenched and Tempered).

Delivery requirements can be found in SSAB’s brochure Armox® Guarantees or www.ssab.com.

Get datasheet by email

General Product Description

Mechanical Properties

Select one parameter to compare

Comparison

Mechanical Testing

Ultrasonic testing

Impact Properties

Select one parameter to compare

Comparison

Chemical Composition (ladle analysis)

Select one parameter to compare

Comparison

Tolerances

Thickness

Length and Width

Shape

Flatness

Surface Properties

Delivery Conditions