Drill pipe 1) OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2" 2) Steel Grade: E75, X95, G105 ... , S135 1) OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2"2) Steel Grade: E75, X95 ... without hard banding (Arnco100, Arnco300, tungsten carbide etc). 2 3/8--5 1/2 drill pipe/steel pipe