Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Supply Ability | 3000 tons/month |
| Delivery Time | 45-60 days |
| Packaging Details | Bundles Package, Wooden Box Package |
| Standard | ASTM A519 |
| Grade | 4130, 4140; 34CrMo4, 42CrMo4 |
| OD Size | 4-219mm |
| WT Size | 0.5-20mm |
| Shape | Round |
| Production Process | Cold Rolling, Cold Drawn |
| Application | Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects |
| Brand Name | Hongbao |
| Model Number | HBOWD-7 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 3000 tons/month |
| Delivery Time | 45-60 days | Packaging Details | Bundles Package, Wooden Box Package |
| Standard | ASTM A519 | Grade | 4130, 4140; 34CrMo4, 42CrMo4 |
| OD Size | 4-219mm | WT Size | 0.5-20mm |
| Shape | Round | Production Process | Cold Rolling, Cold Drawn |
| Application | Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects | Brand Name | Hongbao |
| Model Number | HBOWD-7 | Certification | ISO9001 |
| Place of Origin | China | ||
| High Light | 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
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 | Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects |
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
Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects, etc.
Company Details
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
60000000-80000000
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...
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