TIANJIN DALIPU OIL COUNTRY TUBULAR GOODS CO.,LTD is a modern professional industry and trade combined enterprise, specializing in producing and trading seamless steel pipes.

The implemental standards for the oil casings are API 5CT; the specifications include from 60.3 to 508mm; the steel grades include J55, K55, N80, L-80, P-110, C-90, C - 95, T-95 and so on; the merchantable claspers are STC , LTC, BTC , etc. 
The implemental standards for the oil pipelines are API 5L; the specifications include from 219.1 to 2032mm; the steel grades include Gr.B, X42, X46,X56,X60,X70,X80 and so on



公司产品：套石油管，石油油管 管线管 无缝钢管 美标钢管 德标钢管 英标钢管 日标钢管 欧标钢管 合金无缝管
执行标准：API-5CT API-5L ASTM- A106-Gr.B ASTM- A53 DIN BS JIS EN
石油油管类 规格：2-3/8”----4-1/2”,端部加工形式NUE,EUE.
石油套管类 规格：4-1/2”---20”,扣型：STC,LTC,BTC,VAM等，并可根据订单加工各种尺寸的套管短节。
材质：超级13Cr等。

管线管类：
规格：1/2” (21.3mm)—40”(1016mm)，
材质：Gr.B,X42.X46.X52.X60.X65.X70.X80。
壁厚：SCH10 SCH20,SCH30,SCHTD,SHC40,SCH60,XS,SCH80,SCH100,SCH120,SCH140,SCH160,XXS
合金管类
规格：6-560mm
材质：T91（P91)、1Cr5Mo（P5)、P9(Cr9Mo)、P11、P92、10CrMo910(P22)、WB36

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