Armox® 500T

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General Product Description

High hardness armor with extraordinary toughness properties.

Armox® 500T is the world’s toughest protection plate, having nominal 500 HBW hardness, for use in vehicles, buildings and many more applications.

Benefits of Armox® 500T 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® 500T is not intended for further heat treatment.

Mechanical Properties

Thickness (mmin)	Hardness (HBW)	Yield strength R_p0.2 (min MPaksi)	Tensile strength R_m (MPaksi)	Elongation A₅ (min %)
3.0 - 80.00.118 - 3.150	480 - 540	1250181	1450 - 1800210 - 261	8
80.1 - 130.03.154 - 5.118	470 - 540	1200174	1450 - 1800210 - 261	—

Thickness
(mmin)

3.0 - 80.00.118 - 3.150

Hardness
(HBW)

480 - 540

Yield strength R_p0.2
(min MPaksi)

1250181

Tensile strength R_m
(MPaksi)

1450 - 1800210 - 261

Elongation A₅
(min %)

Thickness
(mmin)

80.1 - 130.03.154 - 5.118

Hardness
(HBW)

470 - 540

Yield strength R_p0.2
(min MPaksi)

1200174

Tensile strength R_m
(MPaksi)

1450 - 1800210 - 261

Elongation A₅
(min %)

—

Mechanical Testing

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

Charpy impact test according to EN ISO 148-1 on each heat and thickness from 6 mm.

Tensile test according to EN ISO 6892-1 on each heat and thicknesses.

Ultrasonic testing

According to EN 10160 Class E₃S₃ for thicknesses up to 80 mm and E₁S₂ for > 80 mm.

Impact Properties

Thickness (mmin)	Min impact energy for transversal testing, Charpy V 10x10 mm test specimen ¹⁾
3.0 - 80.00.118 - 3.150	32 J / -40 °C23 ft-lbs / -40 °F
80.1 - 130.03.154 - 5.118	20 J / -40 °C14 ft-lbs / -40 °F

Thickness
(mmin)

3.0 - 80.00.118 - 3.150

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

32 J / -40 °C23 ft-lbs / -40 °F

Thickness
(mmin)

80.1 - 130.03.154 - 5.118

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

20 J / -40 °C14 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)

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⁾	1.80 ¹⁾	0.70	0.005

C^*)
(max %)

0.32

Si^*)
(max %)

0.40

Mn^*)
(max %)

1.20

P
(max %)

0.010

S
(max %)

0.003

Cr^*)
(max %)

1.0 ¹⁾

Ni^*)
(max %)

1.80 ¹⁾

Mo^*)
(max %)

0.70

B^*)
(max %)

0.005

¹⁾ For plate thicknesses >70 mm Cr ≤ 1.5 and Ni ≤3.5.
The steel is grain-refined. *⁾ Intentional alloying elements.

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

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). Plates with thicknesses over 50 mm are delivered with mill edge as standard.

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