Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 
drill pipe

drill pipe

 

API Oil Drill Pipe 
Standard: API 5D 
Size: 60.3 ~ 168.3mm 
Grade: E75,X95,G105,S135 
Application: Drill Pipe

API  Oil Drill pipe

 

Main feature:

A. The drill rods comply with the provisions of  API SPEC 5D & API SPEC7.

B. The grade of steel are determined according to the requirements of Group 1 & Group 3 of API SPEC 5D.

C. Drill pipe joints at the same level comply with the provisions under the Standard API SPEC 7.

 

Drill pipe Feature:

A. High precision in size and shape

B. Good low temperature toughness

C. Excellent comprehensive mechanical properties

D. High connection strength and sealability

E. Large inside diameter of tool joint

F. High  torque resistance

G. High fatigue strength and long fatigue life

 

Internal Coating Feature:

A.High abrasion resistance and low friction factor

B. Good adhesion and flexility

C. High application temperature and pressure

D. High hardness and impact resistance

E. Good corrosion resistance

 

Hardbanding Feature:

A. Good balance between antiwear and friction-reduction

B. The wear rate is less than 6% of that of bare tool joint, which can prolong 3 times of the

    tool joint service life

C. Good property of friction-reduction, which can reduce the casing wear to the least, and its

    wear to casing is less than 11% of that of bare tool joint

D. Reduce the torque of drilling string

E. Good weldablity with little splash and good rewelding preformance

F. Friendly to environment

 

drill pipe

 

Detail Mechanical Property of the Drill pipe:

 Reasonable Price, Professional Service, Welcome Enquiry

Group

Grade

Yield Strength

Tensile Strength

Minimum

Maximum

Minimum

psi

Mpa

psi

Mpa

psi

Mpa

1

E-75

75000

517

105000

724

100000

689

3

X-95

95000

655

125000

862

105000

724

G-105

105000

724

135000

931

115000

793

S-135

135000

931

165000

145000

1000

drill pipe

Drill pipe ------ API Drill pipe