Import Api 11b Class Sm Sucker Rod Coupling — Buy in Bulk from Supplier in China
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The Api 11b Class Sm Sucker Rod Coupling is a precision-engineered component for oil and gas pumping systems, designed to connect sucker rods in downhole operations. It adheres to API 11B standards, ensuring compatibility with Class Sm sucker rod strings and maintaining structural integrity under cyclic loads. The coupling features a threaded design for secure mechanical joining, with dimensions and tolerances optimized for high-stress environments.
Constructed from industrial-grade steel, the coupling demonstrates resistance to corrosion, wear, and fatigue, critical for prolonged service in harsh subsurface conditions. Typical material grades for such couplings include AISI 4140 or 4145H modified, offering a balance of strength and toughness. Surface treatments, such as phosphate coating or zinc plating, are standard to enhance durability in corrosive wells.
This coupling is used in conventional and unconventional oil extraction, including beam pumping units and progressive cavity pumps. Buyers typically include oilfield service companies, drilling contractors, and E&P operators sourcing components for well completions and workovers. The product is supplied in bulk, with packaging and handling tailored to protect threads and prevent damage during transit.
| Standard Compliance | API 11B |
| Class | SM |
| Material Grade | AISI 4140 or 4145H modified (typical) |
| Thread Type | API Modified Thread |
| Thread Tolerance | Class 2A external, Class 2B internal (standard) |
| Surface Treatment | Phosphate coating or zinc plating (typical) |
| Minimum Yield Strength | 90,000 psi (typical for Class SM) |
| Hardness | 22-30 HRC (typical) |
| Corrosion Resistance | Enhanced via surface treatment (standard) |
| Application | Sucker rod assemblies in oil and gas wells |
Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd is based in the Science and Technology Industrial Park, Shouguang, Weifang, Shandong Province, China. The company specializes in the production of oilfield equipment, including sucker rod couplings, and operates from a facility located at No.100, East Of Yuanfeng Street. Its focus is on manufacturing components that meet international standards for the petroleum industry.
The supplier holds a harbor trust tier, indicating a baseline level of verification within the sourcing ecosystem. While the response rate and average response hours are currently unrecorded, the company’s profile confirms its dedication to producing API-compliant petroleum machinery. No additional details on certifications, client base, or production capacity are provided in the available data.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Sourcing Api 11b Class Sm Sucker Rod Coupling from Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd - China Import Guide
Before placing an order, verify that the couplings are manufactured to API 11B standards and confirm the material grade, as this directly impacts performance in high-stress environments. Request third-party inspection reports or mill test certificates to validate compliance with the specified mechanical properties and chemical composition.
Confirm the supplier’s ability to meet your logistics requirements, including packaging specifications to prevent thread damage, lead times for bulk orders, and available Incoterms such as FOB or CIF. Clarify payment terms, as these components are typically shipped in large quantities with negotiated conditions.
For quality assurance, insist on pre-shipment inspection for thread integrity, dimensional accuracy, and surface treatment consistency. Ensure all couplings are marked with traceable heat numbers and accompanied by certification documents. Conduct a final visual and dimensional check upon receipt to confirm adherence to API 11B standards.
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30 suppliersBuy & Import Api 11b Class Sm Sucker R — Wholesale Supply from China
Securing a reliable supply chain for Api 11b Class Sm Sucker Rod Coupling is critical for maintaining your business operations. Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd, a verified supplier located in China, provides high-quality Api 11b Class Sm Sucker R 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 Industrial Couplings industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Api 11b Class Sm Sucker R from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd. This seamless communication is powered by EximNext, a premier import export marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd is part of our extensive network of vetted international exporters. Browse more products in the Industrial Couplings category or discover new suppliers across the Industrial Couplings sector. Expand your sourcing capabilities through our trusted online B2B marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Api 11b Class Sm Sucker R
When importing Api 11b Class Sm Sucker R 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 Api 11b Class Sm Sucker R
How can I get the wholesale price for Api 11b Class Sm Sucker Rod Coupling?
Click the "Request Quotation" button to contact Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Api 11b Class Sm Sucker R in bulk from China?
Yes, Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd provides Api 11b Class Sm Sucker R 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 Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd. Contact the supplier to discuss the best logistics options for importing Api 11b Class Sm Sucker R to your country.
How do I request a sample of Api 11b Class Sm Sucker Rod Coupling?
Send a direct message to Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Shandong Shouguang Kunlong Petroleum Machinery 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 Api 11b Class Sm Sucker R?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd.
Does Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd offer custom packaging or private labeling?
Many suppliers on EximNext, including Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd, offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Industrial Couplings suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Industrial Couplings manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our import export marketplace.
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