Import Black Square Steel Pipes — Buy in wholesale FOB from Supplier in China
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Black Square Steel Pipes
Black square steel pipes from Hebei Sinostar Trading Co., Ltd. are carbon steel hollow sections produced via ERW technology, with outer dimensions spanning 12x12mm to 200x200mm and wall thickness from 0.45mm to 2.0mm. The range includes grades Q235, Q195, Q345, A53 and A500, each compliant with ASTM A53-2007, BS 1387 and GB/T 3091-2008 standards. Supplied in lengths of 4 to 12 metres, these pipes are designed for structural applications where precision and material consistency are critical.
The material composition centres on carbon steel, with Q235 offering a typical yield strength of 235 MPa and Q345 providing higher tensile strength for demanding frameworks. Typical industry use includes construction scaffolding, structural frameworks, furniture manufacturing, greenhouse systems and fencing, where the square profile provides improved load-bearing capacity compared to round alternatives. Surface finish is black, achieved through a hot-rolled process that leaves a natural oxide layer for basic corrosion resistance.
These pipes are exported globally for buyers in construction, agriculture and industrial fabrication. Standard export packaging includes bundles secured with steel straps, with each bundle tagged for traceability. Buyers should confirm length tolerances, straightness and end finish (plain or bevelled) as these can vary by production batch. The supplier’s location in Shijiazhuang, Hebei, positions it near major ports for efficient logistics to international markets.
| Material | Carbon Steel Q235, Q195, Q345, A53, A500 |
| Manufacturing Technology | ERW (Electric Resistance Welded) |
| Outer Dimensions | 12x12mm to 200x200mm |
| Wall Thickness | 0.45mm to 2.0mm |
| Length | 4 to 12 metres |
| Standards Compliance | ASTM A53-2007, BS 1387, GB/T 3091-2008 |
| Typical Yield Strength (Q235) | 235 MPa typical |
| Typical Tensile Strength (Q345) | 470 to 630 MPa typical |
| Surface Finish | Black (hot-rolled, natural oxide layer) |
| Typical Packaging | Bundles with steel straps, tagged for traceability |
Hebei Sinostar Trading Co., Ltd. operates from Shijiazhuang, Hebei, China, with a registered address at No.118, Zhongshan East Road in the 050011 postal district. The company specialises in steel pipes, including black steel pipes, square steel pipes and rectangular variants, leveraging ERW production methods to meet international standards. Its product portfolio covers multiple grades and dimensions, catering to global construction and industrial markets.
The supplier holds a harbor trust tier, indicating a baseline level of verified operational presence. While the listed response rate is currently zero, the address and product range suggest a focus on bulk export orders. The profile does not disclose certifications, production capacity or client references, so buyers should request these details directly. The absence of response metrics implies that pre-order communication may require persistence.
Black square steel pipes are manufactured using ERW technology, offering outer dimensions from 12x12mm to 200x200mm with wall thickness ranging from 0.45mm to 2.0mm. Available in grades Q235, Q195, Q345, A53, and A500, these square hollow section tubes comply with ASTM A53-2007, BS 1387, and GB/T 3091-2008 standards. Commonly used in construction scaffolding, structural frameworks, furniture manufacturing, greenhouse systems, and fencing, they are supplied in lengths of 4 to 12 meters for global export.
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Sourcing Black Square Steel Pipes from Hebei Sinostar Trading Co., Ltd. - China Import Guide
Before ordering, verify the exact grade and dimensional tolerances required for your project, as these directly impact structural integrity. Request mill test certificates to confirm chemical composition and mechanical properties, particularly for grades Q345 and A500, which are often used in high-stress applications. Ensure the supplier can provide third-party inspection reports if your project demands independent validation.
Confirm logistics details, including port of loading, incoterms and lead times for your order size. These pipes are typically shipped from Tianjin or Qingdao ports in China, with FOB or CIF terms common for bulk orders. Lead times may vary based on production schedules, so align delivery timelines with your project milestones. Payment terms often include a deposit with the balance due before shipment, but negotiate based on your risk tolerance.
Conduct quality checks upon arrival, focusing on dimensional accuracy, straightness and surface finish. Use calipers to measure outer dimensions and wall thickness, and inspect for defects such as cracks or excessive scale. For critical applications, arrange a third-party inspection at the port of loading to avoid costly rejections. Ensure all shipping documents, including packing lists and certificates of origin, are accurate and complete.
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Browse Black Square Steel Pipes — Top Products
31 listingsTop Verified Suppliers for Black Square Steel Pipes
30 suppliersBuy Black Square Steel Pipes in Bulk — Verified Supplier in China
When sourcing Black Square Steel Pipes for your business, securing the right balance of quality and cost is essential. Hebei Sinostar Trading Co., Ltd., a verified supplier based in China, offers this product with key specifications including Q235, Q195, Q345, ASTM A53, ASTM A500, Carbon Steel, Low Carbon / Medium Carbon content, and 12x12mm to 200x200mm (outer), Wall Thickness 0.45-2.0mm, Length 4-12m. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $680850./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7306.61, making it a staple in the Steel Pipes sector with strong demand from importing countries worldwide.
Black Square Steel Pipes Specifications, Trade Terms & Pricing
Importing Black Square Steel Pipes requires careful attention to shipping logistics, customs compliance, and secure payment terms. Hebei Sinostar Trading 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 7306.61 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 online B2B marketplace designed to make cross-border trade secure and efficient.
About Hebei Sinostar Trading Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Black Square Steel Pipes 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 Pipes category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Black Square Steel Pipes — Shipping, Logistics & Customs
Importing Black Square Steel Pipes 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 7306.61 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 Black Square Steel Pipes
What is the wholesale price of Black Square Steel Pipes?
The current listed wholesale price for Black Square Steel Pipes from Hebei Sinostar Trading Co., Ltd. is $680850./Unit 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 Hebei Sinostar Trading Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Black Square Steel Pipes?
The supplier, Hebei Sinostar Trading Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Black Square Steel Pipes. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Black Square Steel Pipes?
For international shipping and customs clearance, Black Square Steel Pipes is classified under HS Code 7306.61. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Black Square Steel Pipes from China?
To import Black Square Steel Pipes from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Hebei Sinostar Trading Co., Ltd.. Ensure you have the necessary import licenses for Steel Pipes products in your destination country.
Is Hebei Sinostar Trading Co., Ltd. a verified supplier?
Yes, Hebei Sinostar Trading 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 Black Square Steel Pipes?
The key specifications for Black Square Steel Pipes supplied by Hebei Sinostar Trading Co., Ltd. include Q235, Q195, Q345, ASTM A53, ASTM A500, Carbon Steel, Low Carbon / Medium Carbon content, and 12x12mm to 200x200mm (outer), Wall Thickness 0.45-2.0mm, Length 4-12m. 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 Black Square Steel Pipes?
Hebei Sinostar Trading Co., Ltd. offers Black Square Steel Pipes with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Black Square Steel Pipes the most?
Black Square Steel Pipes is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Hebei Sinostar Trading Co., Ltd. through our platform.
What certifications does this Black Square Steel Pipes supplier hold?
Hebei Sinostar Trading Co., Ltd. maintains international quality certifications. These ensure that the Black Square Steel Pipes meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Black Square Steel Pipes on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Hebei Sinostar Trading 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 Hebei Sinostar Trading Co., Ltd..
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