Import Carbon Steel Tube Bundle — Buy in wholesale FOB from Supplier in China
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Carbon Steel Tube Bundle
The Carbon Steel Tube Bundle from DFC Pressure Vessel Manufacturer Co., Ltd. is manufactured to the GB151 standard, a benchmark for pressure equipment in China. The tubes are produced from Grade 20# or Q235 carbon steel, a material selected for its balance of strength, weldability, and cost efficiency in high-pressure applications. The bundle format simplifies logistics for international buyers, with outer diameters typically spanning 19 mm to 76 mm as noted in the supplier’s specifications.
These seamless carbon steel tubes are engineered for service in heat exchangers, boilers, and pressure vessels, where they must withstand elevated temperatures and internal pressures without deformation. Carbon steel’s typical carbon content of 0.20% or less ensures good ductility, while the seamless manufacturing process eliminates weld seams that could compromise integrity under cyclic loading. Industry standard practice includes hydrostatic testing at 1.5 times the design pressure to verify leak tightness.
Primary buyers include EPC contractors and plant operators in oil and gas, petrochemical, and power generation sectors, where these tubes form the core of heat transfer systems. Sourcing in bulk reduces per-unit costs, but buyers should confirm wall thickness, length tolerances, and surface finish with the supplier, as these directly impact pressure ratings and compatibility with downstream fabrication. The Shijiazhuang-based supplier can arrange FOB or CFR terms from Chinese ports, with packaging typically in hexagonal bundles for secure ocean freight.
| Material Grade | Carbon Steel Grade 20# / Q235 |
| Manufacturing Standard | GB151 |
| Tube Type | Seamless |
| Outer Diameter Range | 19 mm to 76 mm |
| Typical Carbon Content | ≤ 0.20% (standard for Grade 20#) |
| Typical Tensile Strength | 380 - 510 MPa (standard for Q235) |
| Typical Yield Strength | ≥ 235 MPa (standard for Q235) |
| Surface Finish | Bare or oiled (standard for pressure tubes) |
| Typical Wall Thickness | 2 mm to 14 mm (standard range for GB151 tubes) |
| Testing Standard | Hydrostatic test at 1.5x design pressure (typical for pressure equipment) |
DFC Pressure Vessel Manufacturer Co., Ltd. is based in Shijiazhuang City, Hebei Province, China, a region with a concentration of pressure equipment manufacturers. The company operates under the harbor trust tier, indicating a verified presence in international trade directories, though its response rate to inquiries is currently not publicly reported. The supplier specializes in components for pressure vessels, including tube bundles that meet Chinese GB standards for industrial boilers and heat exchangers.
The profile does not list certifications, production capacity, or export history, so buyers should directly confirm compliance with additional standards like ASME or PED if required for their projects. The address in Shijiazhuang aligns with Hebei’s industrial base, where steel tube production benefits from proximity to raw material suppliers and major ports such as Tianjin. All trade terms, including packaging and incoterms, must be negotiated directly with the supplier.
This Carbon Steel Tube Bundle meets the GB151 standard, commonly used in heat exchangers, boilers, and pressure vessels across oil and gas, petrochemical, and power generation industries. The bundle format is ideal for efficient handling and shipping in international trade, with tubes typically ranging from 19mm to 76mm OD. B2B buyers sourcing these bundles for plant construction or maintenance should verify wall thickness and pressure ratings with suppliers before placing orders.
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Sourcing Carbon Steel Tube Bundle from DFC Pressure Vessel Manufacturer Co., Ltd. - China Import Guide
Before ordering, verify the tubes’ compliance with your project’s pressure and temperature requirements by requesting the design code calculations and mill certificates. Confirm whether the GB151 standard aligns with your local or industry-specific regulations, as some markets require additional certifications such as ASME or PED for pressure equipment. Request a sample or third-party inspection if the tubes will be used in critical applications.
Logistics arrangements should account for the bundle dimensions and weight, as hexagonal packs can exceed standard pallet sizes. Discuss Incoterms with the supplier to clarify responsibilities for loading, freight, and insurance; FOB Tianjin is a common option for this region. Lead times may vary based on production schedules and raw material availability, so confirm delivery timelines in writing before finalizing the purchase.
Quality control should include visual inspection for surface defects, dimensional checks against the ordered specifications, and verification of hydrostatic test pressures. Request a pre-shipment inspection (PSI) report from a recognized agency if your contract requires it. Ensure all documentation, including packing lists, commercial invoices, and certificates of origin, is accurate and complete to avoid customs delays or rejections.
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30 suppliersBuy Carbon Steel Tube Bundle in Bulk — Verified Supplier in China
When sourcing Carbon Steel Tube Bundle for your business, securing the right balance of quality and cost is essential. DFC Pressure Vessel Manufacturer Co., Ltd., a verified supplier based in China, offers this product with key specifications including Q235, Q345 / Seamless or Welded Carbon Steel Tube, GB151 (Heat Exchanger Tubes), and 19 mm - 89 mm (commonly 25, 38, 51 mm). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $780950./Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7304.51, making it a staple in the Steel Tubes sector with strong demand from importing countries worldwide.
Carbon Steel Tube Bundle Specifications, Trade Terms & Pricing
Importing Carbon Steel Tube Bundle requires careful attention to shipping logistics, customs compliance, and secure payment terms. DFC Pressure Vessel Manufacturer 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 7304.51 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About DFC Pressure Vessel Manufacturer Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Carbon Steel Tube Bundle 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 import export marketplace. Start your sourcing journey today.
Import Carbon Steel Tube Bundle — Shipping, Logistics & Customs
Importing Carbon Steel Tube Bundle 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 7304.51 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 Carbon Steel Tube Bundle
What is the wholesale price of Carbon Steel Tube Bundle?
The current listed wholesale price for Carbon Steel Tube Bundle from DFC Pressure Vessel Manufacturer Co., Ltd. is $780950./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 DFC Pressure Vessel Manufacturer Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Carbon Steel Tube Bundle?
The supplier, DFC Pressure Vessel Manufacturer Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Carbon Steel Tube Bundle. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Carbon Steel Tube Bundle?
For international shipping and customs clearance, Carbon Steel Tube Bundle is classified under HS Code 7304.51. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Carbon Steel Tube Bundle from China?
To import Carbon Steel Tube Bundle from China, negotiate shipping terms (FOB, CIF, or EXW) directly with DFC Pressure Vessel Manufacturer Co., Ltd.. Ensure you have the necessary import licenses for Steel Tubes products in your destination country.
Is DFC Pressure Vessel Manufacturer Co., Ltd. a verified supplier?
Yes, DFC Pressure Vessel Manufacturer 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 Carbon Steel Tube Bundle?
The key specifications for Carbon Steel Tube Bundle supplied by DFC Pressure Vessel Manufacturer Co., Ltd. include Q235, Q345 / Seamless or Welded Carbon Steel Tube, GB151 (Heat Exchanger Tubes), and 19 mm - 89 mm (commonly 25, 38, 51 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 Carbon Steel Tube Bundle?
DFC Pressure Vessel Manufacturer Co., Ltd. offers Carbon Steel Tube Bundle with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Carbon Steel Tube Bundle the most?
Carbon Steel Tube Bundle is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from DFC Pressure Vessel Manufacturer Co., Ltd. through our platform.
What certifications does this Carbon Steel Tube Bundle supplier hold?
DFC Pressure Vessel Manufacturer Co., Ltd. maintains international quality certifications. These ensure that the Carbon Steel Tube Bundle meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Carbon Steel Tube Bundle on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. DFC Pressure Vessel Manufacturer 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 DFC Pressure Vessel Manufacturer Co., Ltd..
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