Skirts & Dresses

origin Heibei province,China
packaging bundles,with plastic cap to protect thread
MOQ: 1

                                     Welcome to visit our website                                          www.zssteeltube.com Product Introduce        J55 Oil Casing is important equipment inThe oil industry .casing tube China is made of geological drilling steel. After hot rolling OR cold drawing, steel grade  is called with " (DZ)" .The commonly used casing steel grade is  DZ40, DZ55, DZ75 and so on. API 5CT 4 1/2 inch J55 Drilling Casing Asian Prices  Material:J55 Size:4 1/2inch /114.3mm Wall thickness:4-16mm/0.205"- 0.635inch Length: R1(4.88m-7.62m)/R2(7.62m-10.36m)/R3(10.36m-14.63)  coupling:   BTC (Buttress Thread Coupling),                     STC (Stub(Short) Thread Connector),                     LTC (Long Thread Connector)                      or no thread   Certificates:API5L, ISO 9001:2008,SGS, BV,CCIC Surface Treatment:  External surface coating (black painted), mark as api 5ct stanard,varnish, oil Chemical Component Standard Grade Chemical Component(%) C Si Mn P S Cr Ni Cu Mo V Als API SPEC 5CT J55K55 (37Mn5) 0.34~0.39 0.20~0.35 1.25~1.50 ≤0.020 ≤0.015 ≤0.15 ≤0.20 ≤0.20     ≤0.020 N80 (36 Mn2V) 0.34~0.38 0.20~0.35 1.45~1.70 ≤0.020 ≤0.015 ≤0.15       0.11~0.16 ≤0.020 L80(13Cr) 0.15~0.22 ≤1.00 0.25~1.00 ≤0.020 ≤0.010 12.0~14.0 ≤0.20 ≤0.20     ≤0.020 P110, (30CrMo) 0.26~0.35 0.17~0.37 0.40~0.70 ≤0.020 ≤0.010 0.80~1.10 ≤0.20 ≤0.20 0.15~0.25 ≤0.08 ≤   mechanical property Standard Grade  Tensile Strength(MPa) Yield Strength(MPa)  Elongation(%) Hardness API SPEC 5CT J55 ≥517 379~552 /   K55 ≥517 ≥655   N80 ≥689 552~758   L80(13Cr) ≥655 552~655 ≤241HB P110 ≥862 758~965   Product show API 5CT 4 1/2 inch J55 Drilling Casing Asian Prices  Technology Flow During the process, we have rigorous quality control system ,it includes:  • Chemical composition and mechanical • Thread inspection  • Hydro static test.  Pipes are rolled onto a hydro static testing machine where water is pumped into the pipes to ensure that the pipes can withstand the requisite internal pressure and to confirm that there is no leakage. • Drifting test.  to inspect the straightness of the pipes and to determine if any protrusions exist along the inner walls • Hardness and pressure test.  to ensure that the pipes can withstand the requisite external pressure and exhibits the required hardness before final coating. • size and surface test to make sure that there are no visible defects and conform to the intended parameters and lengths Package&delivery Small size  bundles with steel strips, big size in bulk, with plastic cap to protect thread ends, seaworthy packaging; Payment L/C,T/T, One touch etc or as your requirement. Adevange ·  Reasonable price with excellent quality ·  Abundant stock and prompt delivery ·  Rich supply and export experience, sincere service ·  Reliable forwarder, 2-hour away from port. Pls contact me http://www.china-steelpipes.com

Tags: Drilling Casing Asian Prices,4 1/2 Inch J55 Drilling Casing,API 5CT Asian Casing Pipe