The present disclosure further relates to metallic alloy comprising Fe at a level of 65.5 to 80.9 atomic percent; Ni at 1.7 to 15.1 atomic percent; {HEAD ~ B} at 3.5 to {TAIL ~ 5.9 atomic percent}; and Si at 4.4 to 8.6 atomic percent, wherein the alloy indicates a matrix grain size of 500 nm to 20,000 nm and boride grain size of 100 nm to 2500 nm 
The present disclosure further relates to metallic alloy comprising Fe at a level of 65.5 to 80.9 atomic percent ; Ni at 1.7 to 15.1 atomic percent ; { HEAD ~ B } at 3.5 to { TAIL ~ 5.9 atomic percent } ; and Si at 4.4 to 8.6 atomic percent , wherein the alloy indicates a matrix grain size of 500 nm to 20,000 nm and boride grain size of 100 nm to 2500 nm
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