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{"title":"ASTM A519 4130 Oil Well Drilling Pipe with High Strength-to-Weight Ratio and","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/76\/f1a2c208d2ab47244015529fb980-200x200-1\/astm_a519_4130_oil_well_drilling_pipe_with_high_strength_to_weight_ratio_and_exceptional_toughness.jpg","attrs":{"Brand Name":"Hongbao","Model Number":"HBOWD-7","Certification":"ISO9001","Place of Origin":"China"}}
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Gr 4130 OD 114 Oil Drilling Pipe Chromoly Steel Tube for Casing Tubing
Product Overview
This Gr 4130 OD 114mm Oil Drilling Pipe represents a high-performance chromoly steel tube specifically engineered for demanding casing and tubing applications in the oil and gas industry. Manufactured from AISI 4130 chromium-molybdenum alloy steel with a precise 114mm outer diameter, this seamless pipe delivers exceptional mechanical properties and reliability for critical downhole operations in both conventional and challenging drilling environments.
The pipe's chromium-molybdenum composition provides an optimal balance of high tensile strength, excellent toughness, and superior fatigue resistance, significantly outperforming conventional carbon steel pipes in demanding drilling applications. With typical yield strengths ranging from 550 MPa to 750 MPa, this material maintains its structural integrity under extreme torsional stresses, compression loads, and cyclic bending moments encountered during drilling and production operations.
The seamless manufacturing process guarantees a homogeneous microstructure free from welds and imperfections, providing consistent mechanical properties throughout the pipe length. This chromoly drill pipe undergoes precise heat treatment including quenching and tempering to achieve optimal mechanical characteristics, including improved impact resistance and enhanced fatigue life compared to standard drilling materials.
Specifications
Specifications
Details
Standards
ASTM, ASME and API
Size
O.D.: 4 to 219mm W. T.: 0.5 to 20mm
Specialized in
Large Diameter Size
Length
Within 13500mm
Type
Seamless
Shape
Round
End
Plain End, Beveled End, Threaded
Chemical Composition
Steel Grade
C
Si
Mn
P
S
Cr
Mo
4130
0.28-0.33
0.15-0.35
0.40-0.60
≤0.040
≤0.040
0.80-1.10
0.15-0.25
4140
0.38-0.43
0.15-0.35
0.75-1.00
≤0.040
≤0.040
0.80-1.10
0.15-0.25
Mechanical Properties
Steel Grade
Deliver Condition
Tensile Strength (MPa)
Yield Strength (MPa)
Elongation (%)
Hardness (HRC)
4130
+ SR
≥813
≥690
≥15%
≥24
4140
QT
≥950
≥850
≥14%
28 - 33
Key Features and Benefits
Superior Mechanical Properties: High yield strength (550-950 MPa) and excellent impact toughness
Improved Fatigue Performance: Excellent resistance to cyclic loading and vibration stresses
Multiple Grade Options: Tailored material selection for specific well conditions
Seamless Construction: Homogeneous microstructure without weld defects
Quality Assurance
Full material traceability and certification
Ultrasonic testing for defect detection
Hydrostatic pressure testing
Dimensional and visual inspection
Mechanical property verification
Hardness testing throughout length
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
>76000000
Employee Number:
700~1000
Ecer Certification：
Verified Supplier
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali... Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali...
