Drill Collar

Casing Pipe

Standard & Specification: API 5CT , API 5B, ISO 11960 , GOST
Steel Grade: H40, J55, K55, N80, L80-1, C90, C95C T95, P110 , M65
Approved Marine Certificate: ABS/BV/LR/DNV/GL/KR, CCS , EN10204 3.2 MTC
Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/MR0103/ISO15156
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Drill Collar

Product: Drill Collar
Standard:API SPEC 7-1
Steel grade:AISI 4145H
Sizes:3 1/8" -- 11"
Connected Type:NC, IF, REG
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