Specifications--API 5DP standard --Good quality raw material of seamless pipe --All self made procedure --Factory with I/E right Specifications 1) Drill pipe OD: 2 7/8", 3 1/2", 4", 4 1/2", 5" 5-1/2" 2) Steel Grade: E75, G105, S135 3) Type of end finish: EU-external upset, IEU-internal & external upset 4) All drill rod are made according to API 5D standard 5) We can provide in many conditions, with or without hard banding (Arnco100XT, Arnco300XT, tungsten carbide etc). Hebei Longway Petroleum Equipment Co., Ltd. Contact:Caroline Mob: 0086-13673119276 Skype: carolinechina2 Web: http://www.lwdrill.com
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