MIL 12560 Class 4a (420-460HB)
Bozhong 220: Medium hardness steel (440 HB) for blast protection
Bozhong 220 armour steel is dedicated to modern vehicles structures for protection against mines.
Bozhong 220 grade has the aimed mechanical properties hardness, thoughness, ductility for protection against mines explosions, while keeping an excellent workablilty, particulary bending and welding for realization of specific complex designs defined for blast protection.
Standard
Bozhong 220
Bozhong 220 satisfies requirements of following specifications:
• France : NF A 36-800 THD1
• Germany : TL 2350 Quality O
• U.K. : DEF STAN 95-24 Class 3A (420-480HB)
• USA : MIL 12560 Class 4a (420-460HB)