Import 5-1/2 Btc Pin * 5 Lc Box Crossover — Buy in wholesale FOB from Supplier in China
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5-1/2 BTC PIN * 5 LC BOX Crossover
The 5-1/2 BTC PIN by 5 LC BOX Crossover is an API5CT-grade downhole tubular accessory manufactured from carbon steel or alloy steel. This crossover sub connects a 5-1/2 inch buttress thread casing pin connection to a 5 inch line casing box connection, enabling mixed-casing string assemblies in oil and gas well construction. The component bridges nominal casing sizes while maintaining pressure integrity across the threaded junction, a critical function in both production casing and intermediate string configurations.
Manufactured to API5CT standards, the crossover employs buttress thread (BTC) geometry on the pin end and line casing (LC) thread form on the box end. The buttress thread profile provides superior resistance to jump-out under axial loading compared to round thread designs, while the LC connection offers standardised engagement with conventional casing strings. Material specification as carbon steel or alloy steel under API5CT permits selection based on wellbore conditions, with alloy grades typically specified for sour service or high-pressure environments. Heat treatment, hardness, and tensile properties should conform to the applicable API5CT grade designation, which the buyer must confirm for the specific order.
Petroleum operators, drilling contractors, and oilfield service companies use this crossover during well completion and workover operations where existing casing strings of different thread types and sizes must be joined. Applications include recompletion projects, sidetrack drilling, and repair of damaged casing sections. The component is supplied in wooden box packaging for export shipment. Buyers should confirm thread inspection reports, including thread profile verification and seal surface condition, as well as material test reports with actual chemical composition and mechanical test results, before accepting delivery.
| Product Type | Crossover sub (pin-by-box configuration) |
| Nominal Sizes | 5-1/2 in (pin) x 5 in (box) |
| Pin Thread Type | BTC (Buttress Thread Casing) |
| Box Thread Type | LC (Line Casing) |
| Material Grade | Carbon Steel / Alloy Steel (API5CT Grade) |
| Applicable Standard | API5CT (specified by supplier) |
| Typical Wall Thickness | Standard per API5CT for specified casing weights; confirm with supplier |
| Thread Inspection | API thread gauging; request pin and box thread report |
| Hardness Range | API5CT grade-dependent; typical HRC values vary 22-30 for carbon grades |
| Packaging | Wooden box for export transit (supplier-stated) |
Tianjin Dalipu Oil Country Tubular Goods Co., Ltd is located in Jinghai, Tianjin 301600, China, a region with established metallurgical and pipe manufacturing infrastructure. The company holds a harbour trust tier classification. The response rate is listed as 0.00 percent with zero average response hours, indicating either limited platform engagement or incomplete communication metrics. No founding date, facility size, production capacity, or workforce numbers are disclosed in the available profile data.
The listing presents Tianjin Dalipu as a supplier of API5CT-grade oil country tubular goods, positioning its crossover products for international oilfield markets. Buyers should independently verify API licence status, quality system certification, and manufacturing process capability. Requesting references from existing customers, particularly for crossover and connection products, would supplement the limited verification signals available through the platform profile.
The 5-1/2 BTC PIN and 5 LC BOX Crossover is an API5CT-grade crossover sub designed to connect buttress thread pin (BTC) to line casing (LC) box configurations in oil and gas drilling operations. This OCTG component bridges 5-1/2-inch and 5-inch nominal casing sizes, facilitating compatible thread engagement across different connection types. Widely used in petroleum exploration, workover, and completion projects, it is an essential downhole accessory for operators managing mixed-casing well completions. Standard packaging in wooden boxes ensures safe export transit for international buyers.
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Sourcing 5-1/2 BTC PIN * 5 LC BOX Crossover from Tianjin Dalipu Oil Country Tubular Goods Co., Ltd - China Import Guide
Before ordering from Tianjin Dalipu Oil Country Tubular Goods Co., Ltd, verify API monogram licence status through the American Petroleum Institute's official licencee directory, ensuring the specific product category, including accessories such as crossover subs, is within the scope of their current certificate. Request material test reports with mill heat numbers, chemical composition by ladle analysis, and mechanical test results from representative test specimens. Confirm that thread inspection was performed with calibrated working gauges traceable to API master gauges, and that inspection records include thread form, lead, taper, and stand-off measurements.
Shipping and delivery terms must be negotiated directly, as no standard Incoterms, lead times, or port designations are specified in the listing. OCTG products from China may be subject to anti-dumping duties in certain destination markets, so verify current tariff classifications and duty rates with a customs broker before finalising purchase terms. Wooden box packaging for export should meet ISPM-15 phytosanitary requirements if destined for countries enforcing this standard. Payment security mechanisms, including documentary credits or third-party inspection release conditions, should be structured based on the supplier's creditworthiness and your risk assessment.
Upon arrival, inspect wooden packaging for transit damage and moisture ingress that could不影响后续内容，could affect thread preservation. Verify that material test reports, inspection certificates, and API licence declarations accompany the shipment and match the heat numbers marked on the crossover body. Conduct dimensional spot checks on thread diameters using calibrated gauges, and examine thread surfaces for damage, corrosion, or improper storage. For critical applications, consider independent third-party inspection by agencies such as SGS, BV, or Intertek before accepting material, particularly for first orders from this supplier.
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30 suppliersBuy 5-1/2 Btc Pin * 5 Lc Box in Bulk — Verified Supplier in China
When sourcing 5-1/2 Btc Pin * 5 Lc Box Crossover for your business, securing the right balance of quality and cost is essential. Tianjin Dalipu Oil Country Tubular Goods Co., Ltd, a verified supplier based in China, offers this product with key specifications including API5CT Grade J55, K55, N80, L80, P110 (commonly N80/L80), 5-1/2" BTC PIN x 5" LC BOX (Buttress Pin to Line Casing Box), and 5-1/2" BTC Box End OD, 5" LC Pin End OD (crossover type). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $20/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7304.29, making it a staple in the Industrial Chemicals sector with strong demand from importing countries worldwide.
5-1/2 Btc Pin * 5 Lc Box Specifications, Trade Terms & Pricing
Importing 5-1/2 Btc Pin * 5 Lc Box requires careful attention to shipping logistics, customs compliance, and secure payment terms. Tianjin Dalipu Oil Country Tubular Goods Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7304.29 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Tianjin Dalipu Oil Country Tubular Goods Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this 5-1/2 Btc Pin * 5 Lc Box has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Industrial Chemicals category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import 5-1/2 Btc Pin * 5 Lc Box — Shipping, Logistics & Customs
Importing 5-1/2 Btc Pin * 5 Lc Box requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7304.29 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About 5-1/2 Btc Pin * 5 Lc Box
What is the wholesale price of 5-1/2 Btc Pin * 5 Lc Box Crossover?
The current listed wholesale price for 5-1/2 Btc Pin * 5 Lc Box Crossover from Tianjin Dalipu Oil Country Tubular Goods Co., Ltd is $20/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Tianjin Dalipu Oil Country Tubular Goods Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for 5-1/2 Btc Pin * 5 Lc Box?
The supplier, Tianjin Dalipu Oil Country Tubular Goods Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for 5-1/2 Btc Pin * 5 Lc Box. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for 5-1/2 Btc Pin * 5 Lc Box Crossover?
For international shipping and customs clearance, 5-1/2 Btc Pin * 5 Lc Box Crossover is classified under HS Code 7304.29. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import 5-1/2 Btc Pin * 5 Lc Box from China?
To import 5-1/2 Btc Pin * 5 Lc Box from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Tianjin Dalipu Oil Country Tubular Goods Co., Ltd. Ensure you have the necessary import licenses for Industrial Chemicals products in your destination country.
Is Tianjin Dalipu Oil Country Tubular Goods Co., Ltd a verified supplier?
Yes, Tianjin Dalipu Oil Country Tubular Goods Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of 5-1/2 Btc Pin * 5 Lc Box Crossover?
The key specifications for 5-1/2 Btc Pin * 5 Lc Box Crossover supplied by Tianjin Dalipu Oil Country Tubular Goods Co., Ltd include API5CT Grade J55, K55, N80, L80, P110 (commonly N80/L80), 5-1/2" BTC PIN x 5" LC BOX (Buttress Pin to Line Casing Box), and 5-1/2" BTC Box End OD, 5" LC Pin End OD (crossover type). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of 5-1/2 Btc Pin * 5 Lc Box?
Tianjin Dalipu Oil Country Tubular Goods Co., Ltd offers 5-1/2 Btc Pin * 5 Lc Box with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import 5-1/2 Btc Pin * 5 Lc Box the most?
5-1/2 Btc Pin * 5 Lc Box is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Tianjin Dalipu Oil Country Tubular Goods Co., Ltd through our platform.
What certifications does this 5-1/2 Btc Pin * 5 Lc Box supplier hold?
Tianjin Dalipu Oil Country Tubular Goods Co., Ltd maintains international quality certifications. These ensure that the 5-1/2 Btc Pin * 5 Lc Box meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for 5-1/2 Btc Pin * 5 Lc Box Crossover on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Tianjin Dalipu Oil Country Tubular Goods Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Tianjin Dalipu Oil Country Tubular Goods Co., Ltd.
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