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Bulletproof Steel
Huaxiao Metal Steel Co., Ltd has produced the protective bulletproof steel of the FD family with tensile strength 900MPa-1700MPa and of the ARMA PRO family with Brinell hardness 500-600. With perfect bulletproof performance, cold forming, and welding properties, the Armor plate of Lianyuan steel can be widely used in some fields, such as private bulletproof vehicles, bank armored vehicles, armored personnel carriers, training ranges, and anti-terrorist vehicles.
Hot rolled LG900FD of Lianyuan Steel successfully passed the authentication of the Ministry of Public Security, which began to be used in armored cash carriers; Heat treated armor plates of ArmaPro500 and 550 have successfully passed the inspection of the China Academy of Ordnance Equipment and met the test requirements of NATO.
For more information on bulletproof grade sheet metal, contact Huaxiao Metal Steel.
Bulletproof Steel Grades
| Steel Grades | Stretching Direction | Yield Strength MPa (Typical value) | Tensile Strength MPa (Typical value) | Elongation A % (Typical value) | Brinell Hardness HBW (Typical value) | Dimension available |
| LG900FD | Transverse | ≥800（900） | ≥900（1000） | ≥15（17） | / | 2.0-6.0 × 1000-1500 |
| ArmaPro500 | Transverse | ≥1250（1450） | ≥1500（1750） | ≥8（10） | ≥470（510） | 3.0-25.0×1000-2000 |
| ArmaPro550 | Transverse | ≥1350（1650） | ≥1650（1950） | ≥8（10） | ≥530（570） | 3.0-25.0×1000-2000 |
| ArmaPro600 | Transverse | ≥1450（1750） | ≥1650（2150） | ≥7（10） | ≥570（610） | 3.0-25.0×1000-2000 |
Property Test result of Armor plate Armapro500 produced by HXM Steel
| Sample ID | YP180419- 11 | YP180419- 14 | YP180419- 16 | ||||||
| Dimension of Plate（mm） | 410.0×430.0 ×10.00 | 410.0×430.0 ×8.00 | 410.0×430.0 ×10.00 | ||||||
| Actual Thickness （mm） | 10.06 | 8.2 | 6.2 | ||||||
| Sample Condition | Room temperature | ||||||||
| Jet Distance（m） | 10 | 10 | 15 | ||||||
| Jet Angle | 0° | 0° | 0° | ||||||
| Ammuni tion for test | M16 5.56mm automatic rifle | 7.62mm MATO | 7.62mm MATO | ||||||
| Jet Se-Quence | 1 | 2 | 3 | 1 | 2 | 3 | 1 | 2 | 3 |
| Bullet Speed（mis） | 995 | 992 | 994 | 825 | 835 | 832 | 828 | 832 | 832 |
| Condition of Shot | Not Penetrated | ||||||||
| Depth of bullet hole at the impact face（mm） | 1.1 | 1.3 | 0.9 | 1.2 | 1.5 | 1.1 | 5.5 | 5.4 | 4.8 |
| Height of bullet hole at the back face（mm） | 0.1 | 0.1 | 0.1 | 0.5 | 0.7 | 0.2 | 3.2 | 3.4 | 2.9 |
Shooting test result of hot treated bulletproof steel ArmaPro550（-45℃）
| Sample ID | BB2020- 0194 | BB2020- 0195 | ||||
| Dimension of Plate（mm） | 500.0×495.0 | 500.0×495.0 | ||||
| Actual Thickness （mm） | 3.73 | 3.76 | ||||
| Sample Condition | Low temperature（-45℃± 2℃, constant temperature 3h） | |||||
| Jet Distance（m） | 15 | 15 | ||||
| Jet Angle | 0° | 0° | ||||
| Ammunition for test | Type 56 7.62mm semi-automatic rifle; Type 56 7.62mm normal ammunition | |||||
| Jet Se-Quence | 1 | 2 | 3 | 1 | 2 | 3 |
| Bullet Speed（mis） | 726 | 717 | 725 | 719 | 720 | 731 |
| Condition of Shot | Not Penetrated | |||||
| Depth of bullet hole at the impact face（mm） | 8.2 | 7.9 | 7.6 | 7.1 | 7.8 | 7.4 |
| Height of bullet hole at the back face（mm） | 5.6 | 5.5 | 5.7 | 5.4 | 5.2 | 5 |
