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Drilling joints

Complete range of specifications: Φ68, Φ78, Φ105, Φ121,Drill joints, reducer union, lock joints, oil drill pipe joints, crossover coupling blank joints.
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产品编号
cp6001
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Complete range of specifications: Φ68, Φ78, Φ105, Φ121

Drill joints, reducer union, lock joints, oil drill pipe joints, crossover coupling blank joints.

 

Tool joint size

SPEC Yield strength Tensile strength Elongation HB Charpy impact test
Mpa Mpa Mpa HB A kv (J)
API SPEC 7 ≥827.4 ≥965.3 ≥13 ≥285 //
SY/T 5290-2000 ≥827 ≥965 ≥13 285-341 ≥54
HJ-JT 828-1050 1365-1150 ≥14 303-341 Vertical Horizontal
≥87 ≥90

 

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