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Drill Pipe

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Grades: E75, X95, G105, S135


Drill Pipe
2-3/8" to 7-5/8" OD, Range 2 and 3

Heavy Weight
2-3/8" to 6-5/8" OD, Range 2 and 3

Drill Collars
2-7/8" to 14"


Connection threads: NC26, NC31, NC38, NC40, NC46, NC50, 5 1/2FH.6 5/8FH.
Internal Upset: IU, EU, IEU


Heavy weight drill pipe is a medium-weight drilling pipe, (referred standards in API SPEC 7-1). It has bigger wall thickness than common drilling pipe and smaller than drill collar. 


Mechanical Properties API Steel Drill Pipe

Grade
E-75
X-95
G-105
S-135
Yield Strength (minimum psi)
75,000
95,000
105,000
135,000
Yield Strength (maximum psi)
105,000
125,000
135,000
165,000
Tensile Strength (minimum psi)
100,000
105,000
115,000
145,000