1)Name:API 5CT Seamless casing steel tube 2)Steel Grad e :J55,K55,N80 ect 3)Thread Type: BTC, STC,LTC 4)Offer Size:O.D:114.3mm-406.4mm W.T: 5.21mm-16.6mm L: R2,R3 also make the length according to the customer requirements 5)Surface: paint with black protect, and with two plastic caps on the each end 6 ) Packing: Hexagonal packing with several steel strip,or standard packing with plastic bags if necessary will be packed with woodencase according to the customer requirements. 7)Minium order: 25 tons(some specification are excepted) 8)Delivery time: 15-25 days also according to the actual order quantity 9)Inspecition: according to the standard requiremet and offer the Orginal MTC (EN10204.3.1/3.1B) 10)Place of origin: Jiangsu China 11)Application : Seamless casing steel tube used as wall in water well or oil well Contact person: Ms helen        Tel:0086-0512-56371090/0086-13921973046        Fax:0086-0512-56773293        E-mial:dfhelen0869(at)gmail(dot)com  Skype: helenbely