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China Suppliers Factory for ASTM Scaffolding Hot Dipped Q345 Welded Galvanized Square Steel Tube
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China Suppliers Factory for ASTM Scaffolding Hot Dipped Q345 Welded Galvanized Square Steel Tube

Introducing our premium quadrate section steel, meticulously crafted with a hot rolled surface treatment to ensure durability and strength. Our product boasts a precise tolerance of ±1%, making it a reliable choice for various applications. Offered as non-oiled, it is ready for immediate use in your projects. Invoicing is conducted by theoretical weight, allowing for transparent pricing, As a leading factory in China, we take pride in being one of the top suppliers in the industry, delivering high-quality section steel tailored to meet your specifications. Trust our expertise and commitment to excellence for all your construction and fabrication needs

    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
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    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
    Q1: What is the MOQ for customized logos, packaging, and graphics?
    The minimum order quantity (MOQ) for customized logos, customized packaging, and graphic customization is 50 metric tons.
    Q2: What are the available materials and standards for your seamless square steel pipes?
    We offer materials including A53, ST33, A283, A135, ST37, A106, ST35, A179, A214, A192, A226, A315, ST42, A106-B, S185, S235JR, S275JR, S355JR, S420NL, S460NL, S500Q, S550Q, S620Q, and S690Q, complying with GB, ISO, JIS, AISI, EN10147, EN10142, DIN 17162, JIS G3302, and ASTM A653 standards.
    Q3: What is the lead time for orders?
    For quantities of 1 - 28 metric tons, the lead time is 7 days. For 29 - 50 tons, it is 15 days. For 51 - 80 tons, it is 25 days. Quantities above 80 metric tons are subject to negotiation.
    Q4: What packaging options do you provide for export?
    Our packaging methods mainly include export pallet simple packaging, fumigation-free wooden boxes, and iron packaging. We can also customize the packaging according to customer requirements.
    Q5: Which shipping ports and carriers do you work with?
    We can ship from any port in China. We maintain long-term strategic partnerships with major international shipping companies such as MSC, MAERSK, CMA CGM, COSCO, and express carriers like DHL, FedEx, and UPS.
    Q6: What processing services and payment terms do you support?
    We support bending, welding, decoiling, punching, heating, and cutting services. Our accepted payment terms include T/T, L/C, D/P, D/A, West Union, and Paypal.