Tolerance
Thickness tolerance: 0~+0.50mm
Flatness: ≤6mm/m、≤10mm/2m
Mechanical properties
Yield Strength（Rp0.2/MPa）：≥1400
Tensile Strength（Rm/MPa）：≥1700
Elongation（A/%）：≥6
Impact toughness KV2（-40℃/J）：≥15
Surface hardness（HBW）：520~590
Target test
According to GJB59.18-88, STANAG 4569, EN1522-1998, NIJ0101.06, NIJ 0108.01 and other standards, multiple target test tests have been carried out.
Thicknessm /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（B级) GJB59.18-88 Class B Ballistic gun 1956-style 7.62 ordinary bullet (steel core)
8.2 GA668-2006 Class C Type 95 5.8mm automatic rifle 87 type 5.8mm ordinary bullet
9.2 STANAG 4569/API-55 Level 1 AUG Rifle 5.56mm×45 NATO M193
Minimum steel plate thickness required to meet various protection standards
Protection standard Protection
grade Ammunition/Power Export speed
m/s Firing range
/m Minimum allowable
Thickness
/mm
EN1522 FB5 5,56 mm x 45 FJ/PB/SCP1 950±10 10 5.5
FB6 7,62 mm x 51 FJ/PB/SC 830±10 10 6.0
FB7 7,62 mm x 51 FJ/PB/HC1 820±10 10 14.0
EN1063 BR5 5,56 mm x 45 FJ/PB/SCP1 950±10 10 5.5
BR6 7,62 mm x 51 FJ/PB/SC 830±10 10 6.0
BR7 7,62 mm x 51 FJ/PB/HC1 820±10 10 14.0
NIJ 0101.06 Ⅲ 7.62mm FMJ 838±10 15 6.0
Ⅳ 30-06 AP 868±15 15 14.0
STANAG 4569 1 5,56 mm x 45 NATO SS109 900±20 10 6.0
1 7,62 mm x 51 NATO ball(M80) 833±20 10 6.0
1 5,56 mm x 45 M193 937±20 10 6.5
2 7,62 mm x 39 API BZ 695±20 10 12.0
3 7,62 mm x 54R B32 API 854±20 10 14.5
