Song Zhan Ma Dao

SOURCE SPECIFICATION EXTRACT

Documented details

Specifications Sword only weight:  approx. 2380 g (5 lb. 4 oz) Blade Length:   84 cm (33") Handle Length: 50 cm (19.69") Ring : 5.1 cm x 6.4 cm  (2.0" x  2.51") Total Length: 139.1 cm (54.76") Gradual subtle widening Width at hand guard: 4.93 cm  (1.94")  Width at mid-point:    5.22 cm  (2.05") Width at tip:                5.34 cm  (2.10")  Gradual Tapering Thickness at hand guard approx.: 9.8 mm  Thickness at mid-point approx.:    7.4 mm Thickness near the tip approx. :    4.5 mm    POB from hand guard: 10 cm (4") Blade cross section profile: triangular wedge shape Blade length wide profile:  wide straight blade, 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   &nbsp