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最新国际求购:钻杆 ,drill pipe drill pipe length outer diameter inner diameter quantity h wireline drill pipe 3000 mm min 88.90mm min 77.80 mm 4.000 pieces (+,- 3 mm) max 89.15 mm max 78.00 mm n wireline drill pipe 3000 mm min 69.85 mm min 60.12 mm 8.000 pieces (+,- 3 mm) max 70.05 mm max 60.33 mm tech. specs ; min tensile strength 900 n/mm2 min flow tension 800 n/mm2 min elongation after ultimate strength % 14 min surface hardnes 262 brinell max secretien (in total length) 1/2000 eccentricity (radial run-out) %10 of pipe thickness drill pipes will be manufactured from seamless steel by cold drawn dokumculer sit. 207. sok. no 30 1. osb sincan, ankara, ankara, turkeycontact person mr. murat uketelephone 90-312-2674920fax 90-312-2674925 更多: www.todaytex.com
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