Import Alloy Seamless Pipe For Geological Drilling 4130 — Buy in Bulk from Supplier in China
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Alloy seamless pipe for geological drilling 4130
This 4130 alloy seamless pipe is engineered for geological drilling, where uniform wall thickness and high strength are critical. The pipe maintains a wall thickness deviation of ±5 %, a precision that reduces stress concentration and improves reliability in deep drilling. The 4130 chromium-molybdenum alloy offers a balance of strength, weldability and resistance to abrasion, making it suitable for harsh subsurface conditions.
The material’s typical tensile strength ranges from 670 to 900 MPa, with a yield strength of 415 MPa minimum, values that ensure structural integrity under high torque and axial loads. Standard lengths for geological drilling pipes are 6 - 12 metres, with outer diameters commonly between 50 mm and 273 mm and wall thicknesses from 5 mm to 20 mm. Corrosion resistance is enhanced through the alloy’s chromium content, though additional coatings may be required for highly acidic environments.
Primary applications include mineral exploration, oil and gas prospecting, and geotechnical investigations. The supplier, Zhejiang Dingxin Steel Tube Manufacturing, is located in Liuli Industrial Zone, Haiyan County, Jiaxing, Zhejiang. Buyers should confirm dimensional tolerances, heat treatment status and any supplementary certifications for their project’s depth and pressure requirements.
| Material grade | AISI 4130 (chromium-molybdenum alloy steel) |
| Wall thickness deviation | ±5 % |
| Typical tensile strength | 670 - 900 MPa |
| Typical yield strength | ≥415 MPa |
| Typical elongation | ≥20 % |
| Typical outer diameter range | 50 - 273 mm |
| Typical wall thickness range | 5 - 20 mm |
| Typical length range | 6 - 12 m |
| Corrosion resistance | Good (enhanced by chromium content) |
| Weldability | Excellent (low carbon equivalent) |
| Typical hardness (annealed) | HB 156 - 197 |
| Standard manufacturing method | Hot-rolled seamless |
Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. operates from Liuli Industrial Zone, Haiyan County, Jiaxing, Zhejiang, China. The company specialises in seamless steel pipes for industrial applications, with a focus on alloy grades like 4130 for geological drilling. Its profile indicates a harbor trust tier, though specific certifications, production capacity, or export history are not listed in the provided data.
The supplier’s description highlights precision in wall thickness and quality control processes, but does not detail third-party certifications such as ISO or SGS. Buyers should request these documents, along with mill test certificates for each batch. The company’s product range appears to centre on alloy pipes, with no additional categories or diversified offerings stated.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Alloy seamless pipe for geological drilling 4130 from Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. - China Import Guide
Before placing an order, confirm the pipe’s exact outer diameter, wall thickness and length to ensure compatibility with your drilling rig and project depth. Request mill test certificates to verify the chemical composition, tensile strength and yield strength meet AISI 4130 specifications. Check if the pipes are supplied in the annealed, normalised or quenched-and-tempered condition, as this affects their mechanical properties.
Logistics terms to clarify include Incoterms (FOB or CIF are common for Chinese suppliers), packaging (typically bundled or crated for protection during transit) and lead time, which can vary based on heat treatment and inspection requirements. The port of loading is likely Ningbo or Shanghai; confirm this and any transhipment details. Payment terms such as TT or LC should be agreed in advance to align with your procurement process.
Quality checks should include ultrasonic testing for wall thickness and internal defects, hardness testing (Brinell or Rockwell) and dimensional inspections using calipers or laser micrometers. Verify that the pipes meet ASTM A519 or equivalent standards for seamless alloy steel mechanical tubing. Request documentation for traceability, including heat numbers and third-party inspection reports, to ensure compliance with your project’s quality assurance plan.
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30 suppliersBuy & Import Alloy Seamless Pipe For G — Wholesale Supply from China
Securing a reliable supply chain for Alloy Seamless Pipe For Geological Drilling 4130 is critical for maintaining your business operations. Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd., a verified supplier located in China, provides high-quality Alloy Seamless Pipe For G ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Products industry, catering to distributors, wholesalers, and importers worldwide.
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Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Alloy Seamless Pipe For G from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd.. This seamless communication is powered by EximNext, a premier global B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. — Verified Supplier in China
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International Shipping & Import Guidelines for Alloy Seamless Pipe For G
When importing Alloy Seamless Pipe For G from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About Alloy Seamless Pipe For G
How can I get the wholesale price for Alloy Seamless Pipe For Geological Drilling 4130?
Click the "Request Quotation" button to contact Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Alloy Seamless Pipe For G in bulk from China?
Yes, Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. provides Alloy Seamless Pipe For G for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd.. Contact the supplier to discuss the best logistics options for importing Alloy Seamless Pipe For G to your country.
How do I request a sample of Alloy Seamless Pipe For Geological Drilling 4130?
Send a direct message to Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.
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Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing Alloy Seamless Pipe For G?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd..
Does Zhejiang Dingxin Steel Tube Manufacturing Co., Ltd. offer custom packaging or private labeling?
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