Import Double-Wall Copper Coated Bundy Tube 4.76*0.6 — Buy in wholesale FOB from Supplier in China
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Double-wall copper coated Bundy tube 4.76*0.6
The Double-wall copper coated Bundy tube with an outer diameter of 4.76 mm and a wall thickness of 0.6 mm is supplied by Changzhou Joyruns Steel Tube Co., Ltd. This tube is manufactured from low‑carbon steel (ASTM A254, grade BHG2) that has been electro‑plated with copper to a thickness of 0.3 µm ± 0.05 µm. The product conforms to the dimensional tolerance of ± 0.05 mm for this size, and the coating provides enhanced thermal conductivity and corrosion resistance. It is packaged in a plastic bag within an iron frame for safe handling during export.
In the refrigeration and automotive air‑conditioning sectors, such Bundy tubes are used to form the evaporator and condenser coils where efficient heat exchange is critical. The copper coating improves heat transfer rates compared to bare steel, while the double‑wall construction adds mechanical strength. Typical mechanical properties for this grade include a tensile strength of 290 MPa, yield strength of 180 MPa and elongation of 20 %. The tube also passes a 24‑hour salt‑spray test and meets ISO 9001 and RoHS standards, indicating compliance with common quality requirements.
Changzhou Joyruns offers the tube in standard export packaging and can supply quantities suitable for both large manufacturers and smaller assemblers. While the listing does not state a minimum order quantity, flexible arrangements can be discussed directly with the supplier. Shipping terms such as CIF and L/C are commonly used, and buyers should confirm lead‑time, container loading details and any special handling instructions before placing an order.
| Outer diameter | 4.76 mm |
| Wall thickness | 0.6 mm |
| Material | Copper‑coated low carbon steel (ASTM A254, grade BHG2) |
| Copper coating thickness | 0.3 µm ± 0.05 µm |
| Dimensional tolerance (OD) | ± 0.05 mm for OD < 4.76 mm |
| Tensile strength | 290 MPa |
| Yield strength | 180 MPa |
| Elongation | 20 % |
| Typical operating temperature range | typical - 20 °C to 120 °C for refrigeration applications |
| Typical pressure rating | typical 1.5 MPa for condenser coil service |
Changzhou Joyruns Steel Tube Co., Ltd is headquartered at No. 143 Qingyang North Road, Changzhou, Jiangsu Province, China. The company is classified with a harbor trust tier, indicating that its export activities are monitored through port verification processes. Although the response rate shown is zero, buyers can still initiate contact to discuss product details and ordering conditions. Joyruns specialises in producing copper‑coated steel tubing for heat‑exchanger applications.
The supplier lists ISO 9001 and RoHS certifications for its manufacturing processes, providing a baseline of quality management and environmental compliance. No further corporate history, employee count or client portfolio is disclosed in the public listing. Prospective importers should request copies of the certification documents and, if required, arrange a factory audit to verify production capabilities.
Double-wall copper coated Bundy tube with 4.76mm outer diameter and 0.6mm wall thickness is a premium-grade refrigeration component widely used in automotive and HVAC condenser coils. This copper-coated steel tube provides superior thermal conductivity and corrosion resistance, making it ideal for air conditioning and refrigeration systems. Exported globally as a critical raw material for heat exchanger manufacturing, this bundy tube meets international quality standards and is available in standard export packaging.
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Sourcing Double-wall copper coated Bundy tube 4.76*0.6 from Changzhou Joyruns Steel Tube Co., Ltd - China Import Guide
Importers should first verify the tube’s certification status, request the latest ISO 9001 and RoHS certificates, and obtain a detailed product data sheet that includes the exact outer‑diameter tolerance and coating thickness. Confirm that the batch number matches the documentation to avoid receiving off‑spec material.
Shipping is usually arranged on a CIF basis with L/C payment, but the exact lead‑time and loading port are not listed. Ask the supplier for the estimated production lead‑time, the designated Chinese port of loading, and whether the iron‑frame bundles can be loaded directly into a 20‑foot container. Clarify any freight insurance provisions under the CIF term.
Upon arrival, conduct a visual inspection of the copper coating for uniformity and check the plastic bag and frame for damage. A third‑party pre‑shipment inspection can verify dimensional tolerances, coating thickness and mechanical properties. Request the original test reports for tensile strength, salt‑spray resistance and any other relevant quality checks to satisfy customs and end‑user requirements.
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30 suppliersBuy Double-Wall Copper Coated in Bulk — Verified Supplier in China
When sourcing Double-Wall Copper Coated Bundy Tube 4.76*0.6 for your business, securing the right balance of quality and cost is essential. Changzhou Joyruns Steel Tube Co., Ltd, a verified supplier based in China, offers this product with key specifications including Double-wall Copper Coated Bundy Tube, 4.76 mm, and 0.6 mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $950/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7403.21, making it a staple in the Steel Tubes sector with strong demand from importing countries worldwide.
Double-Wall Copper Coated Specifications, Trade Terms & Pricing
Importing Double-Wall Copper Coated requires careful attention to shipping logistics, customs compliance, and secure payment terms. Changzhou Joyruns Steel Tube 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 7403.21 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Changzhou Joyruns Steel Tube Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Double-Wall Copper Coated 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 Steel Tubes category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Double-Wall Copper Coated — Shipping, Logistics & Customs
Importing Double-Wall Copper Coated 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 7403.21 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 Double-Wall Copper Coated
What is the wholesale price of Double-Wall Copper Coated Bundy Tube 4.76*0.6?
The current listed wholesale price for Double-Wall Copper Coated Bundy Tube 4.76*0.6 from Changzhou Joyruns Steel Tube Co., Ltd is $950/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 Changzhou Joyruns Steel Tube Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Double-Wall Copper Coated?
The supplier, Changzhou Joyruns Steel Tube Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Double-Wall Copper Coated. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Double-Wall Copper Coated Bundy Tube 4.76*0.6?
For international shipping and customs clearance, Double-Wall Copper Coated Bundy Tube 4.76*0.6 is classified under HS Code 7403.21. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Double-Wall Copper Coated from China?
To import Double-Wall Copper Coated from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Changzhou Joyruns Steel Tube Co., Ltd. Ensure you have the necessary import licenses for Steel Tubes products in your destination country.
Is Changzhou Joyruns Steel Tube Co., Ltd a verified supplier?
Yes, Changzhou Joyruns Steel Tube 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 Double-Wall Copper Coated Bundy Tube 4.76*0.6?
The key specifications for Double-Wall Copper Coated Bundy Tube 4.76*0.6 supplied by Changzhou Joyruns Steel Tube Co., Ltd include Double-wall Copper Coated Bundy Tube, 4.76 mm, and 0.6 mm. 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 Double-Wall Copper Coated?
Changzhou Joyruns Steel Tube Co., Ltd offers Double-Wall Copper Coated with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Double-Wall Copper Coated the most?
Double-Wall Copper Coated is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Changzhou Joyruns Steel Tube Co., Ltd through our platform.
What certifications does this Double-Wall Copper Coated supplier hold?
Changzhou Joyruns Steel Tube Co., Ltd maintains international quality certifications. These ensure that the Double-Wall Copper Coated meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Double-Wall Copper Coated Bundy Tube 4.76*0.6 on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Changzhou Joyruns Steel Tube 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 Changzhou Joyruns Steel Tube Co., Ltd.
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