 The blade is 82 cm ( 32 in ) long , up to 5 cm ( 2 in ) wide ( about 5 cm from the crossguard ) and 3 mm ( 0 @.@ 1 in ) thick . The fuller is about 74 cm ( 29 in ) long and , on average , 2 cm ( 0 @.@ 8 in ) wide . <unk> analysis has shown that the blade was forged from unevenly <unk> semi @-@ hard bloomery steel . Apart from iron , the material contains , by weight , 0 @.@ 6 percent of carbon , 0 @.@ 153 percent of silicon , 0 @.@ 092 percent of phosphorus , and other elements . Numerous slag inclusions found in the steel are typical for medieval iron smelting technology . Part of the blade was hardened by quenching . Unlike the hilt , the blade would have been fully functional as a weapon of war . The surface of the blade is covered with deep scratches along its length , a result of intensive cleaning from rust before every coronation , probably with sand or brick powder . Inactive spots of corrosion may be also found on the entire surface . 
