Royal Arsenal Han Dao

SOURCE SPECIFICATION EXTRACT

Documented details

Sword only weight:  approx. 530 g (1 lb. 2.7 oz) Blade Length: 61 cm (24") Handle Length: 11.5 cm (4.5") Ring Length: 3.8 cm (1.5") Total Length: 76 cm (30") Gradual tapering Width at hand guard: 25 mm,  Width at tip: 20 mm    Thickness: 7.2 mm - 4 mm at the tip Point of balance: 14 cm (5.5") beyond hand guard Blade cross section profile: triangular with slight ground Blade length wide profile:  subtle inner curve at the middle of the blade and subtle upward tip.   Folded pattern steel:  1065 carbon steel + T9 tungsten-vanadium high-speed tool steel 1065 carbon steel Element %  Carbon            0.55-0.660     Manganese     0.60-0.90            Phosphorus     <=0.040          Sulfur               <=0.050  T9 tungsten-vanadium high-speed tool steel. Element %                       Carbon            0.85-0.94 Silicon              <=0.35 &nbs