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Armour Plates


MILITARY, ARMOR & BALLISTIC STEEL PLATE: ARMOX 500 Plates, ARMOX 500T Plates, RAMOR 500 Plates, MIL A 46100 Plates, MIL A12560 Plates, ARMOX 500T Plates, RAMOR 500 Plates Supplier and exporter in Mumbai-India.

Features

Designed to be used as a front or back plate
Maintenance Free
Compact design
Hot rolled metal plates, sheets and coils
Ramor made of Ruukki steel

Customers are searching for extremely good protection & protection performance for his or her cease-merchandise. Ramor plate has admirable ballistic belongings in combination with high stiffness & strength. Ramor is developed for programs, wherein blast protection or high ballistic resistance is required.

Application

Designed to be used as a front or back plate
Maintenance Free
Compact design

Hot rolled metal plates, sheets and coils

Ramor made of Ruukki steel
Customers are searching for extremely good protection & protection performance for his or her cease-merchandise. Ramor plate has admirable ballistic belongings in combination with high stiffness & strength. Ramor is developed for programs, wherein blast protection or high ballistic resistance is required.

Application

Doors, window frames, walls, Bank counters and vaults, Money exchange offices, Cars, security vans, Secured containers, Shooting gallery devices, Military vehicles and equipments.

Description of the steel grades
Armor steels Plates are made with a novel direct quenching process. With this method not only a good blast and ballistic protection is attained, but also excellent flatness, surface quality and dimensional accuracy are getting.

Ramor 400 steel is made to give defense against high anxiety caused by detonations and blasts.
Ramor 500 is the most appropriate choice, when protection is desired against kinetic energy projectiles i.e. ballistic presentation.
The number of the designation indicate the average Brinell hardness value 400 and 500 HBW, correspondingly.

Product forms
Heavy plates and cut lengths (=sheets).

Delivery condition
Quenched

Dimensions
Heavy plates 6.0 – 30 mm.
Cut lengths with mill edges 2.5 – 6.5 mm.

Tolerances Heavy plates
Thickness, Table 1.
Width and length EN 10029.
Flatness EN 10029 class N, steel type H.

Cut lengths
Thickness, Table 1.
Width and length EN 10051.
Flatness EN 10029 class N, steel type H.

Tolerances Heavy platesSurface condition
According to EN 10 163-2 Class B Subclass 3.
Repair welding of plates is not permitted in plate produc- tion of Ramor steels.

General technical delivery condition
According to EN 10 021. Unless otherwise agreed,
inspection document EN 10 204-2.2 is issued in English.

Chemical composition
The chemical composition is stated in Table 2.

Mechanical properties
Typical mechanical properties are presented in Table 3.
The plate must take suitable safety measures to protect themselves and no outsiders must be permissible in the area. The safest location is usually by the winding machine. The handling instructions of the steel supplier and safety instructions of the workshop must be adhered to in detail. New employees must receive appropriate training before they are allowed to process hardened steels.

Materials testing
Materials testing procedure is presented in Table 4.
Suggested minimum plate width of Ramor 500 for different guard classes is presented in Table 5.

Heat treatment
Heat treatment is not recommended. If tempering procedure is needed, satisfy, contact technical customer service for further assistance.

Welding
Ramor steels can be welded with common welding methods. Austenitic steel welding consumables are recommended. Ferritic welding consumables can be used also, if the strength of the joint is important. If ferritic consumables are used, the need for elevated working temperature has to be studied in order to achieve fault- less weld joint.

Bending
When cold forming Ramor 500 steels by bending, the minimum bending radius of the upper tool has to be 8 times the thickness of the material. The corresponding bending radius for Ramor 400 has to be 5 times the thickness of the material. Special care has to be taken to the working safety, when these steels are cold formed. Mechanical cutting is not suitable as an edge preparation process for bended parts.

Cutting
Ramor steels are well suitable for laser and plasma cut- ting. Mechanical cutting can also be used, if the cutting shears/blades are hard enough and the equipment used is rigid. However, water jet cutting is preferred, because with this method the ballistic properties of the cut edge can be obtained.

Machining
Ramor steels can be machined using rigid hard metal tools and rigid equipment. Sufficient lubrication has to be provided and special concentration has to be paid to securing of work piece. The cutting parameters should be chosen in the way that the vibration of the cutting tool and the work piece can be avoided, because vibration decreases the lifetime of the cutting tool considerably.

Occupational safety
Special care must be taken in all stages of treatment of hardened steels. Flanging is taxing due to the high strength and high flexural anxiety of the plate. If the bending radius, for example, is too small and a crack is created in the bending point, the plate may fly from the bending tool in the direction of the bend.

Heavy plates Thickness mm Upper tolerance mm Sheets Thickness mm Upper tolerance, width-wise mm
-1200 1201 – 1500
6.00 – 6.99 0.74 2.50 – 3.00 0.3 0.32
7.00 – 7.99 0.76 3.01 – 4.00 0.32 0.36
8.00 – 9.99 0.8 4.01 – 5.00 0.36 0.4
10.00 – 11.99 0.9 5.01 – 6.00 0.4 0.42
12.00 – 14.99 1 6.01 – 6.50 0.44 0.44
15.00 – 19.99 1.1
20.00 – 24.99 1.2
25.00 – 29.99 1.3
30 1.4

Chemical Composition

  C Si Mn P S Cr Ni Mo B
Ramor 400 0.24 0.7 1.5 0.02 0.02 1 1 0.7 0.01
Ramor 500 0.32 0.7 1.5 0.02 0.02 1 2 0.7 0.01

Mechanical properties, typical

  R MPa R MPa A % HB t °C Cha    
Ramor 400 1100 1300 8 360 – 450 -40 20
Ramor 500 1450 1700 7 480 – 560 -40 20
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