Import Steel Tube Assembly — Buy in wholesale FOB from Supplier in China
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Steel Tube Assembly
The steel tube assembly offered by Grace Tian is a prefabricated component designed for hydraulic and industrial fluid transfer systems. It is supplied in carbon steel grades Q235/Q345 or stainless steel 304/316, with outer diameters ranging from 6 mm to 140 mm and wall thicknesses that can be customised to meet project demands. The assemblies comply with GB14976, DIN2391 and EN10216‑5 standards and are capable of handling working pressures between 10 MPa and 63 MPa. Precision welding and dimensional control are applied to ensure leak‑free performance.
Typical industry practice for such assemblies includes wall‑thickness tolerances of ±0.2 mm for diameters under 50 mm and ±0.5 mm for larger sizes, and a surface roughness of Ra ≤ 1.6 µm as a standard finish. Hydrostatic testing at 1.5 times the design pressure is a common quality check, which aligns with the supplier’s described testing regime. End fittings are offered as flanged, walform, flare‑flange or welded types, with the flanged option standard for the 42 mm OD size. The use of 3‑D lofting software and high‑precision bending equipment is typical for maintaining tight tolerances.
Buyers such as machinery manufacturers, construction firms and energy‑sector contractors often source these assemblies for ready‑to‑install piping networks. The product is shipped as bulk packs or on‑site delivery, and trade terms, incoterms and payment conditions should be confirmed directly with Grace Tian. Because the supplier’s response rate is currently zero, importers are advised to verify the factory address in Dalian and request recent production photographs before placing an order.
| Material | Carbon Steel Q235/Q345 or Stainless Steel 304/316 |
| Outer Diameter (OD) | 6 mm - 140 mm |
| Working Pressure | 10 MPa - 63 MPa |
| Standard Compliance | GB14976, DIN2391, EN10216‑5 |
| Typical Wall Thickness | 2 mm - 10 mm (typical) |
| End Type Options | Flange, Walform, Flare‑Flange, Welded |
| Typical Surface Roughness | Ra ≤ 1.6 µm (typical) |
| Standard Hydrostatic Test Pressure | 1.5 × Design Pressure (typical) |
| Typical Diameter Tolerance | ±0.2 mm (≤50 mm OD) / ±0.5 mm (>50 mm OD) (typical) |
| Packaging | Crated bundles or bulk pallets (typical) |
Grace Tian is listed at No.51 Xinping Street, Ganjingzi District, Dalian, China 90036. The company is classified in the harbor trust tier, indicating that it has passed basic verification checks on the platform.
The supplier states that it can produce custom steel tube assemblies according to client designs, offering engineering support and professional design assistance. No specific certifications, annual turnover or client list are disclosed in the listing, so buyers should request copies of any quality certificates directly.
This prefabricated steel tube assembly is engineered for hydraulic and industrial fluid transfer systems, featuring precision welding and accurate dimensional control for leak-free performance. Manufactured from carbon steel or stainless steel grades, the assembly is customizable in diameter and wall thickness to meet project-specific requirements. Ideal for import-export trade in machinery, construction, and energy sectors where reliable, ready-to-install tubing solutions are required.
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Sourcing Steel Tube Assembly from Grace Tian - China Import Guide
Before placing an order, importers should confirm the legitimacy of Grace Tian by checking the Dalian address, requesting recent factory photographs and obtaining any applicable quality certificates such as material test reports. Verifying that the supplier can meet the specified outer‑diameter and pressure requirements for your project will reduce the risk of non‑conforming deliveries.
Logistics terms, lead times and incoterms are not disclosed in the listing; buyers must negotiate these details directly with Grace Tian. Typical lead times for custom tube assemblies range from several weeks to a few months depending on order size, and payment terms often involve a deposit with balance against shipping documents, but exact conditions should be agreed in contract.
Quality assurance usually includes dimensional inspection, hydrostatic pressure testing and surface‑finish verification. Importers are advised to arrange third‑party pre‑shipment inspection and request mill test certificates, material certificates and welding procedure specifications to ensure compliance with the stated standards.
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21 listingsTop Verified Suppliers for Steel Tube Assembly
30 suppliersBuy Steel Tube Assembly in Bulk — Verified Supplier in China
When sourcing Steel Tube Assembly for your business, securing the right balance of quality and cost is essential. Grace Tian, a verified supplier based in China, offers this product with key specifications including Carbon Steel Q235, Q345 / ASTM A53 Grade B / API 5L, Carbon steel with trace amounts of Mn, Si, S, P; alloy variants include Cr, Mo for enhanced strength, and OD 6mm - 114mm (1/4" - 4"); Wall thickness 1.0mm - 12mm; Custom lengths available. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1100/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7306.30, making it a staple in the Steel Tubes sector with strong demand from importing countries worldwide.
Steel Tube Assembly Specifications, Trade Terms & Pricing
Importing Steel Tube Assembly requires careful attention to shipping logistics, customs compliance, and secure payment terms. Grace Tian 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 7306.30 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 Grace Tian — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Steel Tube Assembly 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 online B2B marketplace. Start your sourcing journey today.
Import Steel Tube Assembly — Shipping, Logistics & Customs
Importing Steel Tube Assembly 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 7306.30 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 Steel Tube Assembly
What is the wholesale price of Steel Tube Assembly?
The current listed wholesale price for Steel Tube Assembly from Grace Tian is $1100/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 Grace Tian through EximNext.
What is the Minimum Order Quantity (MOQ) for Steel Tube Assembly?
The supplier, Grace Tian, has set a Minimum Order Quantity (MOQ) of 1 Bags for Steel Tube Assembly. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Steel Tube Assembly?
For international shipping and customs clearance, Steel Tube Assembly is classified under HS Code 7306.30. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Steel Tube Assembly from China?
To import Steel Tube Assembly from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Grace Tian. Ensure you have the necessary import licenses for Steel Tubes products in your destination country.
Is Grace Tian a verified supplier?
Yes, Grace Tian 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 Steel Tube Assembly?
The key specifications for Steel Tube Assembly supplied by Grace Tian include Carbon Steel Q235, Q345 / ASTM A53 Grade B / API 5L, Carbon steel with trace amounts of Mn, Si, S, P; alloy variants include Cr, Mo for enhanced strength, and OD 6mm - 114mm (1/4" - 4"); Wall thickness 1.0mm - 12mm; Custom lengths available. 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 Steel Tube Assembly?
Grace Tian offers Steel Tube Assembly with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Steel Tube Assembly the most?
Steel Tube Assembly is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Grace Tian through our platform.
What certifications does this Steel Tube Assembly supplier hold?
Grace Tian maintains international quality certifications. These ensure that the Steel Tube Assembly meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Steel Tube Assembly on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Grace Tian 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 Grace Tian.
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