Tornado Cutting Jian

SOURCE SPECIFICATION EXTRACT

Documented details

Blade length: 71.5 cm (28") Hilt without hand guard length: 16.3 cm (6.42") Total length: 90 cm (35.4") Width at hand guard: 33 mm,   Width at tip: 21 mm    Thickness at hand guard:: 3.6 mm  Thickness at the tip: 2.0 mm   Blade Profile: smooth diamond 4 surfaces Gentle tapering Sword only weight:  657 g (1 lb. 7 oz) POB:  approx. 5 cm (2.0")  from the base of the hand guard Steel GB 60Si2MnA High Carbon Manganese Spring Steel  (Compare to AISI/SAE 5160 spring steel)  Element %       60Si2MnA    AISI/SAE 5160    Carbon            0.56-0.64      0.56-0.61 Silicon              1.60-2.00       0.15-0.35 Manganese     0.60-0.90      0.75-1.00 Phosphorus     <=0.030        <=0.035 Sulfur               <=0.030        <=0.040 Chromium       <=0.35          0.70-0.90 Nickel         &