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Seamless API 5L API 5CT J55 K55 N80 L80 P110 Oil Casing and Tubing for Oil Well

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Zhong Neng Steel Union(Qingdao)Heavy Industry Co.,Ltd

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Seamless API 5L API 5CT J55 K55 N80 L80 P110 Oil Casing and Tubing for Oil Well

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Seamless API 5L API 5CT J55 K55 N80 L80 P110 Oil Casing and Tubing for Oil Well

Chemical compositions of casing pipe Standard Grade Chemical compositions(%) API SPEC 5CT J55 C Si Mn P S Cr Ni Cu Mo V K55 0.34~0.39 0.20~0.35 1.25~1.50 ≤0.020 ≤0.015 ≤0.15 ≤0.20 ≤0.20 / / N80 0.34~0...

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