Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | T/T, L/C |
| Supply Ability | 3000 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 |
| Application | Nonferrous Metal Mining Projects |
| Brand Name | Hongbao |
| Model Number | HBOWD-11 |
| 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 | 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 |
| Application | Nonferrous Metal Mining Projects | Brand Name | Hongbao |
| Model Number | HBOWD-11 | Certification | ISO9001 |
| Place of Origin | China | ||
| High Light | AISI 4340 Chromoly drilling pipe ，seamless steel oilfield pipe ，oil well exploration steel pipe | ||
AISI 4340 Chromoly Alloy Oil Drilling Pipe , Seamless Steel Pipe for Nonferrous Metal Mining Projects
Description
This AISI 4340 chromoly alloy drilling pipe represents advanced seamless tubing engineered for the most demanding oil drilling and nonferrous mining operations. Manufactured from nickel-chromium-molybdenum alloy steel, it delivers exceptional mechanical properties including ultra-high tensile strength (minimum 130,000 psi yield strength), superior fracture toughness, and outstanding fatigue resistance in extreme operating conditions.
The pipe's sophisticated alloy composition provides unparalleled performance in abrasive nonferrous mining environments, particularly in copper, lithium and nickel extraction where equipment faces aggressive wear and corrosive challenges. Its enhanced strength-to-weight ratio makes it ideal for deep-hole drilling applications while maintaining structural integrity under maximum compression loads and severe torsional stresses.
Precision-engineered through specialized heat treatment and quenching processes, each length undergoes rigorous ultrasonic testing and quality verification. This seamless pipe offers superior reliability for both drill string components and production casing in critical mining operations, demonstrating exceptional resistance to stress corrosion cracking and hydrogen embrittlement - essential characteristics for maintaining operational safety and efficiency in the world's most challenging nonferrous mining projects.
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 |
| Shape | Round |
| End | Plain End, Beveled End, Treaded |
ASTM A519 4130 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 |
ASTM A519 4130 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 |
ASTM A519 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
Mine blasting
Water well drilling
Geothermal wells drilling
Fore poling
Coal
Nonferrous metal mining projects
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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