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Home>>Product>>Drill Collar & Drill Pipe

 

Drill Pipe

The Physical Properties for Drill Pipe body

Grade

Yield Strength

Tensile Strength

Elongation
2 in.
(50.8mm)

Min.

Max.

Min.

%

PSI

MPa

PSI

MPa

PSI

MPA

 

E-75

75000

517

105000

724

100000

689

See Note Below

X-95

95000

655

125000

862

105000

724

 

G-105

105000

724

135000

931

115000

793

 

S-135

135000

931

165000

1138

145000

1000

 

Note: The minimum elogation is calculated with the formula below? e=625000A0.2/U0.9
Where: e-minimum elongation(%) when standard distance is 2 in. (50.8mm)
A-cross-sectional area of tensile strength (Unit: Sq.in.)
U-specified tensile strength (Unit: psi)

 

The Mechanical properties of Welding Zone

Grade

Min Yield Strength
Mpa

Min Tensile Strength
MPa

Min. Elongation %

Min. Charp V-notch Impact Value
J

E-75

517

689

13

20 (Average)
15 (Each value)

X-95

609

712

G-105

655

724

S-135

724

793

Square drill collar hexagonal drill collar
Square Drill Collar Hexagonal Drill Collar

Drill Collar

 

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