Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | T/T,L/C |
| Supply Ability | 2000 tons/month |
| Delivery Time | 45 - 60 days |
| Packaging Details | Plywood case, wooden box |
| Standard | ASTM, ASME, API |
| Grade | 4130, 4140, 4145 |
| OD Size | 4-219mm |
| WT Size | 0.5-20mm |
| Shape | Round |
| Production Process | Cold Drawn, Cold Rolling |
| Application | Drill Rod Pipe |
| Brand Name | Hongbao |
| Model Number | HBOWD-1 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 2000 tons/month |
| Delivery Time | 45 - 60 days | Packaging Details | Plywood case, wooden box |
| Standard | ASTM, ASME, API | Grade | 4130, 4140, 4145 |
| OD Size | 4-219mm | WT Size | 0.5-20mm |
| Shape | Round | Production Process | Cold Drawn, Cold Rolling |
| Application | Drill Rod Pipe | Brand Name | Hongbao |
| Model Number | HBOWD-1 | Certification | ISO9001 |
| Place of Origin | China | ||
| High Light | ASTM A519 Grade 4130 drilling pipe ，alloy round pipe for oil industry ，oil well drilling pipe with warranty | ||
This ASTM A519 Grade 4130 oil drilling pipe represents premium chromium-molybdenum alloy tubing engineered for demanding drilling applications. Manufactured as seamless round pipe through precision cold drawing and heat treatment processes, it delivers exceptional yield strength (minimum 100,000 psi) and superior torsional resistance for heavy-duty drill rod applications.
The pipe's chemical composition provides optimal mechanical properties including enhanced fatigue durability and excellent impact resistance in aggressive downhole environments. Its seamless construction ensures uniform wall thickness and dimensional stability, critical for maintaining performance under extreme compression loads and cyclic stresses during extended-reach drilling operations.
Certified to ASTM A519 standards, each length undergoes rigorous non-destructive testing to guarantee material integrity and performance consistency. This drill pipe is specifically designed for use in deep-well drilling, mineral exploration, and challenging geological conditions where reliability and extended service life are essential for operational efficiency and cost-effectiveness.
| Specifications | 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 |
| Element | Content (%) |
|---|---|
| Iron, Fe | 97.03 - 98.22 |
| Chromium, Cr | 0.80 - 1.10 |
| Manganese, Mn | 0.40 - 0.60 |
| Carbon, C | 0.280 - 0.330 |
| Silicon, Si | 0.15 - 0.30 |
| Molybdenum, Mo | 0.15 - 0.25 |
| Sulfur, S | 0.040 |
| Phosphorous, P | 0.035 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 560 MPa | 81200 psi |
| Tensile strength, yield | 460 MPa | 66700 psi |
| Modulus of elasticity | 190-210 GPa | 27557-30458 ksi |
| Bulk modulus (Typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (Typical for steel) | 80 GPa | 11600 ksi |
| Poissons ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 21.50% | 21.50% |
| Reduction of area | 59.6 | 59.60% |
| Hardness, Brinell | 217 | 217 |
| Hardness, Knoop (Converted from Brinell hardness) | 240 | 240 |
| Hardness, Rockwell B (Converted from Brinell hardness) | 95 | 95 |
| Hardness, Rockwell C (Converted from Brinell hardness) | 17 | 17 |
| Hardness, Vickers (Converted from Brinell hardness) | 228 | 228 |
| Machinability (Annealed and cold drawn) | 70 | 70 |
In plywood case
Company Details
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...
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