NP550 bulletproof steel plate
Yield Strength(Rp0.2/MPa):≥1400
Tensile strength(Rm/MPa):≥1700
Elongation after breaking(A/%):≥6
Impact performance(KV2 -40℃/J):≥15
Surface hardness(HBW):520~590
Thickness(mm) Executive standard Protection level Gun Ammunition
4.0 STANAG 4569 Level 1 AUG rifle 5.56mm×45 NATO ss109
5.0 STANAG 4569 Level 1 AUG rifle 5.56mm×45 NATO ss109
5.0 STANAG 4569 Level 1 M14 rifle 7.62mm ×51 NATO ball（M80）
5.0 GJB59.18-88 Level 1 Ballistic gun 53 type 7.62 ordinary bullet (steel core)
6.2 STANAG 4569/API-55 Level 1 AUG rifle 5.56mm×45 NATO M193
6.2 GA668-2006 Class C Type 95 ,5.8 rifle 87 type 5.8mm ordinary bullet
6.2 STANAG 4569/API-55 Level 2 Ballistic gun 7.62mm ×39 API BZ
6.2 GA668-2006 Class C Type 95 ,5.8mm automatic rifle 87 type 5.8mm ordinary bullet
7.2 STANAG 4569/API-55 Level 1 AUG rifle 5.56mm×45 NATO M193
8.2 STANAG 4569/API-55 Level 1 AUG rifle 5.56mm×45 NATO M193
8.2 GA 141-2010 GJB 59.18-88 Level 5 Ballistic gun 1956-style 7.62 ordinary bullet (steel core)
8.2 GA668-2006（ClassB) GJB59.18-88 Class B Ballistic gun 1956-style 7.62 ordinary bullet (steel core)
8.2 GA668-2006 Class C Type 9 5.8mm automatic rifle87 type 5.8mm ordinary bullet
9.2 STANAG 4569/API-55 Level 1 AUG rifle 5.56mm×45 NATO M193
