ASTM A519 4130 Oil Well Drilling Pipe with High Strength-to-Weight Ratio and Exceptional Toughness
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.
| Parameter | Details |
|---|---|
| Product Name | Oil Well Drilling Pipe |
| Material | 30CrMo, 42CrMo, 4130, 4140 |
| Standard | ASTM, DIN, GB, JIS |
| Wall Thickness | 30-140mm |
| Outer Diameter | 3-20mm |
| Packing | Bundle, or with various colors PVC or as per requirements |
| Surface | Black painting varnish paint, anti-rust oil, hot galvanized, cold galvanized |
| Application | Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects |
| 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 |
| 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 |
- High Strength-to-Weight Ratio
- Exceptional Toughness
- Outstanding Fatigue Resistance
- Good H2S Resistance (Limited S & P)
Bundles with plastic end caps or wooden box package
Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects, etc.
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