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            JIANGSU HAOHUA INDUSTRY GROUP
            Tel: +86-512-58220050
            Fax: +86-512-58810865
            E-mail: sales@haopipe.com
            MSN:    haopipe@hotmail.com
            Skype:  haopipe

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            Oil Pipe and Casing Pipes For Offshore Drilling

            Description:

            Jiangsu Haohua Industry Group as one of the leading suppliers in China to supply SPEC 5DP,SPEC 7 for petroleum industry and Heat Exchanger industry and Machining Industry etc.
            • Specification
            • Inquiry Now
            Description:

             

             Oil Pipe and Casing Pipes For Offshore Drilling 

            Section: Seamless and Welded

            Standards: 5CT, SPEC 5DP, SPEC 7,Specification for Casing and Tubing

            ISO 11960:2004,Petroleum and natural gas industries-Steel pipes for use as casing tubing for wells
            Sizes: Outside Diameter: 1.660"-30"
            Grades: H40,J55,K55,N80,N80Q,L80,C90,C95,T95,P110,Q125,SS95,SS110,9%CR,13%CR
            Some of the OCTG casing tubing available for your company’s requirements include:
            General drill pipes,casing tubing conforming to  standards for oil field and deep well drilling
             H40 casing tubing – general purpose pipes conforming to  specification 5CT
             J55 general purpose pipes for casing tubing applications,similar to specification K55 with lower minimum tensile strength conforming to  specification 5CT
             K55 general purpose pipes used primarily in casings conforming to  specification 5CT
             L80 casing tubing conforming to  specification 5CT with a controlled yield strength with hardness test requirement of 23 HRC maximum; usually used in wells with sour (H2S) environments or deep sour wells
             N80 or N80 Q&T (Quench and Tempered) – general purpose pipe manufactured to  specification 5CT
             Normalized N80 – lower-cost alternative to standard Q&T N80; pipe walls less than 0.500 inch; inspections,testing and dimensions are in accordance with  5CT for grade N80. Charpy v-notch impact test absorbed energy results conform to  SR16 and are lower Q&T N80
             C90 – an  controlled yield strength grade (25.4 HRC maximum) generally used in sour condensate wells; with required extensive hardness testing,SSCC testing per NACE Standard TM-0177-Method A; minimum threshold stress required is 80% of specified minimum yield strength
             C95 – same strength range as T95 and U. S. Steel C95,but without a hardness requirement; generally not used in sour wells
             T95 –  controlled yield strength grade (25.4 HRC maximum),the same as  C95 and U. S. Steel C95; generally for use in sour condensate wells; extensive hardness testing is required including SSCC testing per NACE Standard TM-0177-Method A; minimum threshold stress required is 80% of specified minimum yield strength
             P110 – generally used in deep wells; this grade is not suitable for most sour condensate wells
             Q125 –  grade for deep well service,generally not for use in sour condensate wells; quadrant hardness testing is required (no specified hardness limits other than the variation between readings); impact testing required for each heat and/or lot; typically EMI and UT NDT inspections are required
            Connections:
            STC (short round thread casing)
            LTC (long round thread casing)
            BTC (buttress thread casing)
            XL (extreme-line casing)
            And almost any premium & gas tight connection
            Length: Range 1,Range 2 & Range 3:
            Applicable Tests: See our Standard Inspection Scope
            Protection:
            External bare and uncoated or externally coated with black/ transparent anti rust Mill varnish
            Plastic or Metal Pin and Box Protectors.
            Internal plastic coating or sleeves.
            Mill Test Certificates:
            Issued in accordance with  Specification 5CT Eighth Edition
            Additional Third Party Inspection can also be performed on request.

             

            Friendly link: Stainless coils tubing | Titanium Alloy steel pipes | U tubes | Finned tubes | Ferritic Stainless Steel Pipes | Duplex Stainless steel pipes | Austenitic stainless steel pipes | Nickel Alloy steel pipes |
            JIANGSU HAOHUA INDUSTRY GROUP
            Tel: 0086-512-58220050 Fax:0086-512-58810865 E-mail: sales@haopipe.com
            Add: No.17,Southeastern Avenue, Economic Development Zone (South Area),Zhangjiagang City, Jiangsu Province, China.
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