Shi Xiang oil casing manufacturers Cangzhou, Hebei Steel Tube Co., a professional oil casing manufacturers, I plant the oil casing complete specifications, J55 oil casing, N80 oil casing, K55 oil casing, P110 casing, API5CT casing, long round buckle casing, short round buckle casing, partial ladder buckle oil casing, oil pipe, tubing couplings, oil casing collar, I perennial plants have a lot of cash, our call Visit consult and order our products:! casing, tubing petroleum pipeline steel seamless steel American Standard British standard German standard steel pipe Japanese standard alloy seamless steel pipe European standard implementation of the standards: API-5CT API-5L ASTM- A106- Gr.B ASTM- A53 DIN BS JIS EN oil pipeline Class Size: 2-3 / 8 "--4-1 / 2", the end processing in the form of NUE, EUE oil casing class size: 4-1 / 2 " --20 "buckle type: STC, LTC, BTC and various special deduction, according to the order processing of various sizes tubing, casing pup joints and Flip, special buckle collar. Material: H40, J55, K55, N80, L80, C-90, C95, T95, P110, Q125,13Cr-80,13Cr-110, super 13Cr and so on. Pipeline categories: Specifications: 1/2 "(21.3mm) -40" (1016mm), Material: Gr.B, X42.X46.X52.X60.X65.X70.X80.X100 so on. Wall thickness: SCH10 CH20, SCH30, SCHTD, SHC40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS alloy tube categories: Specifications: 6mm-560mm Material: P5 (Cr5Mo), P9 (Cr9Mo), P11, P22 (10CrMo910), P91 (T91), P92, WB36, etc., but also according to customer requirements in the steel mills were set rolling.