Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 3000 tons/month |
| Delivery Time | 45 days |
| Packaging Details | Bundles Package, Wooden Box Package |
| Standard | ASTM A519, GB/T 9808, DIN2391, EN10305-1 |
| Grade | 4130, 40Mn2, 45MnMoB, 30CrMnSiA,1541 |
| OD Size | 30-139.7mm |
| WT Size | 3-19mm |
| Shape | Round |
| Production Process | Cold Drawn, Cold Rolling |
| Application | Oil and Gas Industry |
| Brand Name | Hongbao |
| Model Number | HBOWD-5 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 3000 tons/month |
| Delivery Time | 45 days | Packaging Details | Bundles Package, Wooden Box Package |
| Standard | ASTM A519, GB/T 9808, DIN2391, EN10305-1 | Grade | 4130, 40Mn2, 45MnMoB, 30CrMnSiA,1541 |
| OD Size | 30-139.7mm | WT Size | 3-19mm |
| Shape | Round | Production Process | Cold Drawn, Cold Rolling |
| Application | Oil and Gas Industry | Brand Name | Hongbao |
| Model Number | HBOWD-5 | Certification | ISO9001 |
| Place of Origin | China | ||
| High Light | 34CrMo4 oil well pipe ，4130 oil well pipe ，oil and gas industry pipe | ||
34CrMo4 4130 Oil Well Pipe for Critical Applications in the Oil and Gas Industry
Description
We introduce premium-grade 34CrMo4 4130 Oil Well Pipe, engineered to meet the most demanding requirements in critical oil and gas applications. Manufactured to comply with both European (34CrMo4) and American (AISI 4130) material standards, this seamless chromium-molybdenum alloy steel pipe delivers exceptional performance where failure is not an option. The precise chemical composition, featuring optimal levels of chromium (0.90-1.20%) and molybdenum (0.15-0.25%), ensures superior mechanical properties including minimum tensile strength of 813 MPa and yield strength of 690 MPa, making it ideal for high-stress downhole environments.
These pipes undergo specialized heat treatment processes including quenching and tempering (+QT) to achieve enhanced microstructural homogeneity and excellent impact toughness at various temperature ranges. Available in sizes from 30mm to 139.7mm OD with wall thicknesses of 3-19mm, they are specifically designed for critical applications such as high-pressure well completions, sour service environments, deepwater drilling operations, and extended-reach horizontal wells. The material's excellent resistance to sulfide stress cracking and superior fatigue strength ensure reliable performance in H2S-containing environments and high-cycle loading conditions.
Specification
| Product Name | Seamless Alloy Steel Pipe for Oill Well Drilling |
| Material | 4130, 4140, 40Mn2, 45MnMoB, 30CrMnSiA, 4135, 1541 |
| Standard | ASTM,DIN,GB,JIS |
| Wall Thickness | 3-19mm |
| Outer Diameter | 30-140mm |
| Packing | Bundle, or with all kinds of colors PVC or as your requirements |
| Surface | Black painting varnish paint, anti rust oil |
Chemical Composition
| Steel Grade | C | Si | Mn | P | S | Cr | Mo |
| 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 |
Mechanical Properties
| Steel Grade | Deliver Condition | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | Hardness(HRC) |
| 4130 | + SR | ≥813 | ≥690 | ≥15% | ≥24 |
Features
Excellent Microstructure
High Straightness & Low Eccentricity
Low Residual Stresses
Superior Mechanical Properties
Corrosion Resistance
Delivery Condition
+SR (Stress Relieved): Ideal for machining, ensures low residual stresses and high straightness.
+N (Normalized): Enhances microstructural uniformity and toughness.
+QT (Quenched & Tempered): Provides superior strength and hardness for extreme downhole conditions.
Inspection
Surface Quality Assessment
Dimensional Verification
Ultrasonic Examination
Magnetic Particle Inspection
Radiographic Analysis
Mechanical Property Verification
Tensile Property Analysis
Hardness Assessment
Impact Resistance Evaluation
Spectrochemical analysis
Application
Aerospace: Employed in airframe structures, undercarriage systems, and propulsion system support elements.
Automotive: Incorporated into safety frame constructions, vehicle frameworks, and shock-absorbing assemblies.
Oil and Gas: Optimized for borehole drilling strings, well casings, and extraction conduits under extreme pressure conditions.
Mechanical Engineering: Adopted for numerous high-performance parts subject to intense mechanical demands.
Construction: Applied in lifting apparatus, architectural span supports, and other load-bearing infrastructures demanding superior strength.
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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