ROCKHARD 400 PLATES

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400 is VINAY METALS designation for armor steel plate suitable for high protection against the pressures caused by blasts and explosions.

The material benefits from a combination of improved hardness and strength resulting in excellent ballistic properties and is developed exclusively for resistance to high explosives and ordnance.

The steel goes through a direct quenching process which not only makes the steel very hard and very strong but also promotes excellent dimensional accuracy and good flatness.

Note that the number 400 in the designation denotes the average Brinell Hardness value for this material.

Applications :

• Military Vehicles & associative equipment
• Security vehicles and cars
• Walls, doors, and window frames
• Bank Counters and Bank Vaults

SPECIFICATION

• Item Abrasion Resistant Plate
• Material ROCKHARD 400, SUMIHARD, BRINAR, DUROSTAT, DILLIDUR, JFE EVERHARD.
• Thickness 3 – 200mm
• Width 500 – 3000mm
• Length 1000 – 12000mm
• Heat Treatment N, Q+T
• Surface Paint EP, PE, HDP, SMP, PVDF ABRASIVE RESISTANT STEEL

Chemical composition

C 0.15 max%           Si 0.70 max%            Mn 1.6%            P 0.025%            S 0.01%            Al %            Cr 1.4%            

Cu %                         Ni 0.25%                    Mo 0.25%         Nb %                    Ti %                   V %