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A519 4130 oil well drilling pipe
, heavy-weight drill pipes
, oil well drilling pipe with warranty
Superior Mechanical Properties A519 4130 Oil Well Drilling Pipe for Heavy-Weight Drill Pipes
Superior Mechanical Properties A519 4130 Oil Well Drilling Pipe for Heavy-Weight Drill Pipes
Description
The A519 4130 Oil Well Drilling Pipe stands out for its superior mechanical properties, making it an ideal choice for heavy - weight drill pipes in demanding oil and gas drilling operations. Manufactured from premium 4130 chromium - molybdenum alloy steel and produced in strict accordance with ASTM A519 standards, this seamless pipe boasts exceptional strength and toughness.
It exhibits a minimum tensile strength of 813 MPa and a yield strength of 690 MPa, enabling it to withstand the extreme pressures, torques, and dynamic loads encountered in deep - well and harsh downhole environments. The alloy composition, with precise levels of chromium (0.80 - 1.10%) and molybdenum (0.15 - 0.25%), not only enhances its hardenability and wear resistance but also ensures excellent fatigue resistance, crucial for the prolonged and repetitive stresses on heavy - weight drill pipes.
Through specialized heat treatment processes like quenching and tempering, the pipe achieves a uniform microstructure, further improving its impact toughness across a wide range of temperatures. Whether deployed in high - pressure, high - temperature (HPHT) wells, corrosive formations, or extended - reach drilling scenarios, the A519 4130 pipe delivers reliable performance, minimizing the risk of premature failure and contributing to the efficiency and safety of drilling operations.
Specification
| Product Name |
Oil Well Drilling Pipe |
| Material |
30CrMo,42CrMo,4130, 4140 |
| Standard |
ASTM,DIN.GBJIS |
| Wall Thickness |
30-140mm |
| Outer Diameter |
3-20mm |
| Packing |
Bundle, or with al kinds of colors PVC or as your requirements |
| Surface |
Black painting varnish paint, anti rust oil, hot galvanized,cold galvanized |
| Application |
Oill Well Drilling Tools |
Chemical Composition
| Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
B |
| 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 |
|
| 45MnMoB |
0.43-0.48 |
0.17-0.37 |
1.05-1.35 |
≤0.020 |
≤0.015 |
|
0.20-0.25 |
0.001-0.005 |
| 1541 |
0.36-0.44 |
- |
1.35-1.65 |
≤0.040 |
≤0.050 |
|
|
|
| 30CrMnSiA |
0.28-0.34 |
0.90-1.20 |
0.80-1.10 |
≤0.020 |
≤0.015 |
0.80-1.10 |
|
|
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 |
| 45MnMoB |
+ N |
≥790 |
≥600 |
≥14% |
- |
| 1541 |
+ SR |
≥813 |
≥690 |
≥15% |
≥24 |
| 30CrMnSiA |
QT |
≥850 |
≥750 |
≥14% |
26-31 |
Features
High Strength-to-Weight Ratio
Exceptional Toughness
Outstanding Fatigue Resistance
Good H2S Resistance (Limited S & P)
Packing
Standard Export Packing: Bundles with plastic end caps or wooden box package
Application
Drill Pipes & Tool Joints: Core material for high-strength drill string components.
Casing Tubing: Used in sections requiring enhanced mechanical performance.
Couplings & Subs: Critical connections in downhole assemblies.
Core Barrels: Inner and outer tubes for drilling core samples.
Mandrels & Valves: Components for wellhead and drilling tools.
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