Technical specifications:
Outer diameter: 60-508mm
Standards: API, SEPC, 5CT
Steel grades: H40, J55, K55, N80, L80, C90, C95, T95, P110, Q125
Connection: STC, LTC, BTC and premium connection
Inspection: SGS, BV
Certification: ISO 9001: 2000
Delivery time: after received deposit 10-60 days according to the quantity
Payment terms: T/T, 100% L/C at sight
Port of shipment: Shanghai port, Qingdao port or as per requested
Quality control:
Company has perfect quality assurance system, advanced testing equipment and high-qualified management team with control over series of activities such as contract signing, product research and development, productive process and test, product preservation and delivery.
Application Seamless steel tubes for oil casing and tubing in oil wells Steel grade j55 k55 N80 L80 C90 C95 P110 Oil tube size 1.9"¡ª¡ª4.5" Casing size 4.5"¡ª¡ª20".
Standard: Api spec 5ct standard of american petroleum institute Steel grade: J55, k55, n80, l80, n80-1, n80q p110 etc Diamensional tolerances: Types of steel tubes outer diameterwall thickness Cold-rolled tubes tube sizes(mm) tolerances(mm)tolerances(mm) 114.3a0.7912.5 114.30.5½1 Mechanical properties: Standard codesmodels of steel tubestensite strength, mpayield strength, mpa elongation, hardness Api spec 5ct j55517379½552check the table K55517655 N80689552½758 L80(13cr)655552½655n241hb P110862758½965.
Regular size of tubing 2 3/8¡±, 2 7/8¡± and 3 1/2¡± with grade J55 and N80 are generally available in stock. The Vacuum Insulated Tubing (VIT) are used for wells into which the steam will be pumped to lower the viscosity of the heavy crude oil. Manufacturing method ERW, Hot-rolled Seamless Upset method 3-step forging mold, full body normalization after upset Size (OD) 1.9", 2 3/8", 2 7/8", 3 1/2", 4", 4 1/2" Grade J55, N80, L80,C90, T95, P110, Q125 API Connections Non upset (NUE), External upset (EUE), Round thread (8RD and 10RD) Premium Connections HSM, TP-CQ, RJS (compatible with VAM and HSC) Length range Range 1, 2, 3 Technical modifications Resilient seal (SR 13) with an extra Teflon ring seal. BTC connection Special clearance; For extra clearance applications Special bevel; 20¡ã bevel Internally FBE coated; Tungsten-nickel alloy electicplated anticorrosion coating; Titanium-zirconium alloy powder coating; Vacuum nitriding coating; Vacuum insulated; HDPE liner. Bundle by steel belt with ends protector.
