Armox® 370T Class 1
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Download data sheet
Rolled homogeneous armor for vehicles.
Armox® 370T Class 1 is a rolled homogeneous armor plate (RHA) that combines good resistance to penetration with excellent toughness.
Benefits of Armox® 370T Class 1 include:
Armox® 370T Class 1 is not intended for further heat treatment.
| Thickness (mmin) |
Hardness (HBW) |
Yield strength Rp0.2 (min MPaksi) |
Tensile strength Rm (MPaksi) |
Elongation A5 (min %) |
Elongation A50 (min %) |
|---|---|---|---|---|---|
| 3.0 - 3.90.118 - 0.153 | 380 - 430 | 1000145 | 1150 - 1350 | 8 | 8 |
| 4.0 - 5.90.157 - 0.232 | 380 - 430 | 1000145 | 1150 - 1350 | 10 | 10 |
| 6.0 - 19.90.236 - 0.783 | 380 - 430 | 1000145 | 1150 - 1350 | 10 | 12 |
| 20.0 - 39.90.787 - 1.570 | 340 - 390 | 900130 | 1050 - 1250 | 11 | 13 |
| 40.0 - 59.91.575 - 2.3580 | 300 - 350 | 850123 | 950 - 1150 | 12 | 14 |
| 60.0 - 100.02.362 - 3.937 | 300 - 350 | — | — | — | — |
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 thickness under 60 mm.
According to EN 10160 Class E3S3 for thicknesses up to 80 mm and E1S2 for > 80 mm.
| Thickness (mmin) |
Min impact energy for transversal testing, Charpy V 10x10 mm test specimen 1) |
|---|---|
| 3.0 - 19.90.118 - 0.783 | 20 J / -40 °C15 ft-lbs / -40 °F |
| 20.0 - 100.00.787 - 3.937 | 40 J / -40 °C30 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.
| 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 |
The steel is grain-refined. *) Intentional alloying elements.
| Thickness (mmin) | Tolerance (mmin) |
|---|---|
| 3.0 - 12.90.118 - 0.508 | - 0.0 / + 0.8- 0.0 / + 0.0315 |
| 13.0 - 19.90.512 - 0.783 | - 0.0 / + 1.0- 0.0 / + 0.0394 |
| 20.0 - 39.90.787 - 1.571 | - 0.0 / + 1.2- 0.0 / + 0.0472 |
| 40.0 - 59.91.575 - 2.358 | - 0.0 / + 1.6- 0.0 / + 0.0630 |
| 60.0 - 79.92.362 - 3.145 | - 0.0 / + 2.0- 0.0 / + 0.0788 |
| 80.0 - 100.03.149 - 3.937 | - 0.0 / + 2.4- 0.0 / + 0.0945 |
Tolerances conform to EN 10029 or to SSAB´s standard after agreement.
Dimensional tolerances for plate with mill edge according to special agreement.
Tolerances according to EN 10029.
Tolerances according to Armox® flatness guarantees, which are more restrictive than EN 10029 Class N (steel type L).
According to EN 10163-2 Class B, Subclass 3.
The delivery condition is QT (Quenched and Tempered).
Delivery requirements can be found in SSAB’s brochure Armox® Guarantees or www.ssab.com.