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0102030405
Hot Dipped Galvanized Q345 Welded Square Steel Tube - China Suppliers & Factory for Scaffolding Construction
Other attributes
| Place of Origin | Shandong, China |
| Alloy Or Not | Is Alloy |
| Standard | GB |
| Grade | S235 S235JR S235 G2H S275 S275JR S355 St37 |
| Delivery Time | within 7 days |
| Application | Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe |
| Special Pipe | API Pipe, EMT Pipe, Thick Wall Pipe |
| Thickness | 1-200 |
| Length | 12M, 6m, 6.4M |
| Certificate | API, ce, BIS, JIS, GS, ISO9001 |
| Processing Service | Bending, Welding, Decoiling, Punching, Cutting |
| Thickness | 3mm-200mm |
| Sample | Details Contact |
| MOQ | 1 Tons |
| Material | S185,S235JR, S275JR, S355JR, S420NL, S460NL S500Q, S550Q, S620Q, S690Q |
| Payment term | T/T,L/C,D/P,D/A |
| Color | Natutral Color |
| Use | Ultra-light Steel Structure Building |
| Supply Ability | 20000 Tons/Month |
| Trade terms | EXW/FOB/CFR/CIF/DDP/FCA/etc |
| Standard | GB/ISO/JIS /AISI/EN10147/EN10142/DIN 17162/JIS G3302/ASTM A653 |
Packaging and delivery
| port | Any Port |
Lead time
| Quantity (metric tons) | 1 - 28 | 29 - 50 | 51 - 80 | > 80 |
|---|---|---|---|---|
| Lead time (days) | 7 | 15 | 25 | To be negotiated |
Customization
Customized logo
Min. order: 50 metric ton
Customized packaging
Min. order: 50 metric ton
Graphic customization
Min. order: 50 metric ton
Overview
Process Flow: Round tube blank → heating → piercing → three-roll cross rolling, continuous rolling or extrusion → tube removal → sizing (or diameter reduction) → cooling → straightening → extruded into square tube → hydraulic test (or flaw detection) → marking → warehousing
Specification
| Product Name | Seamless square Steel Pipe |
| Material | A53, ST33, A283, A135, ST37, A53, A106, ST35, A179, A214, A192, A226, A315, ST42, A106-B |
| Wall Thickness | 2-200mm |
| Unit Length | 3m, 5.8m, 6m, 11.8m, 12m, 13.5m or as per customers' request |
| Surface | Bare surface, varnish painting, galvanizing, other painting as per customers' request |
| Price Terms | FOB, CRF, CIF, EXW all acceptable |
| Delivery Detail | Inventory about 5-7; custom-made10-15 |
| Loading Port | Any port in China |
| Packing | In bundles with steel strip or in loose, non-woven fabrics packings or as per customers' request |
| Application | Civil engineering, architecture, steel towers, shipyard, scaffoldings, struts, piles for suppression of landslide and other structures |
| Payment Terms | T/T, L/C at sight, West Union, Paypal |
| MOQ | 2 tons |
| Quality | Provide MTC (Mill Test) and accept customer's agent inspection |
| Tolerance | ±1% |
| Processing Service | Bending, Welding, Decoiling, Punching, Heating, punching, cutting, |
| Supply Ability | 20000 Tons/Month |
Details Images
Packing & Delivery
Our packaging methods are mainly suitable for export pallet simple packaging, fumigation-free wooden boxes, iron packaging, etc., which can also be customized according to customer requirements.
Our company has long-term strategic cooperative relationships with international shipping companies such as MSC, MAERSK, CMA CGM, COSCO, and international express companies such as DHL, FedEx, and UPS, ensuring the safety and timeliness of cargo transportation.
Team style
Now there are different departments, each performing their own duties. There are a total of 36 international trade teams, dedicated to connecting agents, trading companies and direct users in major regions around the world. There are 25 technicians and more than 70 workers, and the annual output can reach 100,000 tons.
Company Profile
Frequently Asked Questions
What grades and materials of seamless square steel pipes do you supply?
We supply a wide range of materials and grades, including S185, S235JR, S275JR, S355JR, S420NL, S460NL, S500Q, S550Q, S620Q, S690Q, St37, A53, ST33, A283, A135, A106, ST35, A179, A214, A192, A226, A315, ST42, and A106-B.
What processing services can you perform on the steel pipes?
We offer various custom processing services, including bending, welding, decoiling, punching, heating, and precision cutting to meet your specific construction and engineering requirements.
What is the typical lead time for order delivery?
Lead times depend on quantity: 1 to 28 metric tons take 7 days; 29 to 50 tons take 15 days; 51 to 80 tons take 25 days. Quantities exceeding 80 tons are subject to negotiation. In-stock inventory typically ships within 5 to 7 days.
What are your minimum order requirements (MOQ) and customization limits?
Our standard MOQ for steel pipes is 1 to 2 tons. For custom requests—such as customized logos, customized packaging, or graphic customization—the minimum order quantity is 50 metric tons.
How are the products packaged and shipped for export?
We offer export pallet simple packaging, fumigation-free wooden boxes, and iron packaging, which can also be tailored to customer specifications. We partner with top shipping lines like MSC, MAERSK, CMA CGM, COSCO, and express carriers including DHL, FedEx, and UPS to ensure safe and timely delivery.
What quality assurance do you provide for the steel pipes?
We provide a Mill Test Certificate (MTC) for our products and welcome third-party agent inspections appointed by the customer to verify quality and specifications before shipment.