Since fabrication by bending and welding is required in construction of armor protection structures made from high hardness ultra high strength armor steels a thorough understanding of these processes is required in my project .
Due to the high C-content and hardness (hence strength) the welding of armor steels is not easy. Normally the steel supplier will provide the maximal bending radius and welding process instructions. Pre-heating the plates might help, but should not lead to a reduction of the hardness of the steel (again the supplier should know what maximal temperature these plates could withstand without hardness reduction). Reduction of heat input could also reduce the problems.
As an alternative, there are armor steel types that can be cold of hot formed after or during which they get their final strength/hardness (like Bentelers BSEC 510/610 steels): As a result, a couple of major advantages can be achieved for improve vehicles and land systems: - reduction of number of parts - reduction of weld seams as ballistic weak spots - improved blast / mine performance through related shape and reduced weldments - design freedom for best package utilization - weight reduction, since overlaps and reinforcements can be drastically reduced.
Thanks a lot sir ,could you please help me by sending details of processes and chemical composition of Benters BSEC 510/610.
Regards
Shivraj Singh Kasana
You can find such information on Bentelers BSEC 510/610 on the internet
I have also attached a file with data on this hot formable armour steel
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