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OCTG tubing

                     Casing Pipe

OCTG (Oil country tube goods) is a high-strength steel pipe used for crude oil and natural gas production, which has excellent corrosion resistance, internal stress, and corrosion cracking resistance. The OCTG products of Japanese steel are used as core components in onshore and overseas oil drilling sites in the Americas, Middle East, and other regions.


执行标准


管端加工形式
钢种规格钢种用途

API 5CT

油管、套管规范

PE、NUE、EUE、STC

LTC、BTC 等


J55、K55、L80

N80-1、N80A、P110


60.3mm - 508.2mm

4.24-22.23mm

油套管


LC80S、LC90S

LC95S、LC110S


60.3mm - 177.8mm

424-19.05mm

抗H2S腐蚀油套管

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