api36API CASING TABLE SPECIFICATION Size Wei ght ID Drift Capacity Inches mm lbft Inches mm Inches mm bbl100ft 7 34 196.85 46.10 6.560 166.62 6.500 165.10 4.18ASTM A36 Steel. ASTM A36 steel is one of the most widely used carbon structural steels, although the carbon content of A36 material is maximum