Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 3000 tons/month |
| Delivery Time | 45 - 60 days |
| Packaging Details | Plywood Case |
| Standard | ASTM, ASME, API |
| Grade | 4130, 4140, 4145 |
| OD Size | 4-219mm |
| WT Size | 0.5-20mm |
| Shape | Round |
| Production Process | Cold Rolling |
| Application | Oil and gas |
| Advantage | Manufacturer directly supply |
| Brand Name | Hongbao |
| Model Number | HBOWD-10 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 3000 tons/month |
| Delivery Time | 45 - 60 days | Packaging Details | Plywood Case |
| Standard | ASTM, ASME, API | Grade | 4130, 4140, 4145 |
| OD Size | 4-219mm | WT Size | 0.5-20mm |
| Shape | Round | Production Process | Cold Rolling |
| Application | Oil and gas | Advantage | Manufacturer directly supply |
| Brand Name | Hongbao | Model Number | HBOWD-10 |
| Certification | ISO9001 | Place of Origin | China |
| High Light | 4130 chromoly oil drilling pipe ，carbon steel casing pipe ，drill rod tubing pipe | ||
4130 Chromoly Oil Well Drilling Pipe , Carbon Steel Pipe for Casing and Drill Rod Tubing
Description
Our 4130 Chromoly Oil Well Drilling Pipe is a high-performance solution tailored for the demanding oil and gas exploration industry, also serving as reliable carbon steel pipe for casing and drill rod tubing. Crafted from premium 4130 chromoly alloy steel, it boasts exceptional strength, excellent toughness, and superior wear resistance—critical properties for withstanding the high pressure, torque, and harsh downhole conditions of oil well drilling.
Compliant with industry standards like API 5D and ASTM A519, this pipe ensures consistent quality and dimensional accuracy. As casing pipe, it provides robust wellbore protection, preventing collapse and isolating formation fluids. When used as drill rod tubing, it efficiently transmits drilling torque and delivers drilling fluids, enhancing operational efficiency.
Its seamless construction eliminates weld seams, reducing the risk of leakage or failure under extreme stress. Suitable for both onshore and offshore drilling projects, it performs reliably in high-temperature, high-pressure, and even mild sour service environments. Whether for shallow or deep well operations, our 4130 chromoly oil well drilling pipe and carbon steel casing/drill rod tubing offer long service life, minimizing maintenance costs and maximizing uptime for oilfield operators.
Specification
| 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 / ERW / Welded / Fabricated |
| Shape | Round |
| End | Plain End, Beveled End, Treaded |
AISI 4130 Steel Pipe Chemical Composition
| 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 |
AISI 4130 Steel Pipe Mechanical Properties
| 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, value below normal HRC range, for comparison purposes only.) | 17 | 17 |
| Hardness, Vickers (Converted from Brinell hardness) | 228 | 228 |
| Machinability (Annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.) | 70 | 70 |
AISI 4130 Steel Pipe Equivalent
| STANDARD | UNS | CN | WERKSTOFF NR. | AFNOR | EN | JIS | BS | GOST |
| AISI 4130 | G41300 | 30CrMo | 1.7218 | – | 25CrMo4 | JIS G4105 | BS 970 | – |
Packing
Bundles with plastic end caps, 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.
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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