oil drill pipe
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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,drilling pipe,heavyweight drill pipe
1. Size
OD: 2 7/8", 3 1/2", 4", 4 1/2", 5"
Length: 9500mm/12000mm
Steel Grade: E75, X95, G105, S135
2. Description
Quality Drill Pipe requires cutting edge equipment
Our Drill Pipe product line is completely automated with equipment from Germany & the U.S., such as the Friction Weld machine, Hardbending Weld machine, IPSEN furnace and Siemans CNC Lathe.
The Tool Joints are made of AISI 4137H premium alloy steel fully Q&T with the IPSEN Furnace.
All the joints are inspected by Florescence Magnetic Particle and the Ultrasonic method. The pipe body goes under very serious inspection in conformance with API. 5D.
The welding between the drill pipe an tool joint is accomplished with the Friction Welding machine, the welding process is swift & steady under computer control. The weld zone is quenched and tempered through the Induction process which is computer controlled in real time
3. Mechanical Properties
SFMC Drill Pipe Parameters....
|
Steel Grade |
Yield Strength |
Tensile Strength |
||||
|
Min. |
Max |
Min. |
||||
|
|
Psi |
Mpa |
Psi |
Mpa |
Psi |
Mpa |
|
E-75 |
75000 |
517 |
105000 |
724 |
100000 |
689 |
|
X-95 |
95000 |
655 |
125000 |
862 |
105000 |
724 |
|
G-105 |
105000 |
724 |
135000 |
931 |
115000 |
793 |
|
S-135 |
135000 |
931 |
165000 |
1138 |
145000 |
1000 |
SFMC Drill Pipe Weld Zone Parameters
|
Steel Grade |
Min. Yield Strength |
Min. Tensile Strength |
Min. Elongation |
Min. AKV Impact |
|
Mpa |
Mpa |
% |
J |
|
|
E-75 |
517 |
689 |
13 |
20(Average) |
|
X-95 |
609 |
712 |
||
|
G-105 |
655 |
724 |
||
|
S-135 |
724 |
793 |
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