... 2", 4", 4 1/2", 5" 5-1/2" 2) Steel Grade: E75, X95, G105, S135 3) All drill pipe are made according to API ... 1) OD: 2 7/8", 3 1/2 ... ", 4", 4 1/2", 5" 5-1/2"2) Steel Grade: ... external upset4) All drill pipe are made according to API 5D5) We can provide in many conditions, with or ...