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Scope of Application: This standard covers the dimensions, shape, weight, permissible deviations, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of hot-rolled H-beams (including HW/HM/HN) and I-beams. It applies to hot-rolled H/I section steel used in general structures such as buildings, bridges, machinery, and steel structures.
Mainstream global trade export standards
Our factory boasts core production and export advantages for national standard H/I beam steel:
Complete product range and specifications, one-stop shopping: We maintain a large inventory of tens of thousands of tons of national standard HW/HM/HN H-beams and I-beams; we can also bundle national standard channel steel, angle steel, steel plates, and pipes into a single order, saving customers comprehensive costs in procurement, communication, and logistics.
We strictly adhere to the chemical composition and mechanical properties of Q235B/Q355B/Q355NL national standards; tensile, yield, impact, and flaw detection all pass, and we support authoritative third-party testing; we provide official original factory quality certificates, ensuring smooth domestic acceptance and foreign trade customs clearance.
High-precision rolling, with straight dimensions and a high-quality, specialized shaping roll production. Cross-sectional tolerances, straightness, and torsion meet GB/T 11263 and GB/T 706; The surface is free of cracks, folds, inclusions, and oxide scale defects, with smooth cuts, facilitating welding, painting, and galvanizing.
Large-scale automated hot-rolling production line, fast delivery of in-stock goods, and rapid production scheduling for customized/deep processing orders; capable of undertaking small-batch sampling and large-scale national-level engineering projects; professional container allocation optimizes loading volume and saves on freight costs.
No middlemen markups, significantly competitive factory prices; Customizable: Integrated services including any length cutting, drilling, beveling, sandblasting, anti-corrosion painting, and hot-dip galvanizing.
Carbon Steel Structural Profiles
H Beams: S235JR, S275JR, S355JR, S355NL, A36, A572 Gr50, SS400
I Beams: S235, S275, S355, A36, A572
Channels (UPN/PFC/C): S235, S275, S355, SS400
Angles (Equal/Unequal): S235, S275, S355, Q235B, Q355B, SS400
Factory direct sales, no middlemen, competitive prices.
Customizable: cut to length, drilling, sandblasting, rust removal, painting, hot-dip galvanizing.
Multilingual foreign trade team, 24/7 fast quotes, full order tracking, and after-sales technical support.
Payment Methods
Flexible payment terms available: T/T and L/C. For new clients, 30% advance payment for production, balance against copy of B/L. L/C is acceptable for large & regular orders to secure both parties.
Warehousing Management
Before each batch of steel leaves the factory, a complete process inspection is strictly carried out. From chemical composition, mechanical properties to dimensional tolerance and surface quality, each item is carefully checked to ensure compliance with national standards and export regulations. At the same time, the quantity, packaging and rust prevention treatment are also verified. An original factory warranty certificate is attached, guaranteeing the quality. Before shipment, inspection photos are provided. Any non-compliant items will not be released, and the quality is fully controllable throughout the process. This ensures your overseas purchasing is safe and worry-free.
All items are visually inspected before delivery. No cracks, deformation, rust, scratches or cutting marks are allowed; edges must be smooth. Only visually sound products will be shipped.
Thickness, width, length, wall thickness, outer diameter have been measured. Straightness, curvature, torsion, diagonal tolerance all meet the corresponding tolerance requirements.
Quality inspection includes: mechanical property tests (yield strength, tensile strength), elongation rate, impact energy, hardness testing, chemical composition testing, process performance testing, etc.
Inspection according to packaging requirements: secure binding, moisture-proof film, rust-proof paper, export fumigation/fumigation-free wooden crates, shipping marks, gross weight, net weight, etc.
We will provide full reception services to support the customers' on-site inspection of the goods.
Warehousing Management
A ten-thousand-ton standardized warehouse with grid-based zoning and system positioning enables rapid material retrieval and reduces the time spent searching for materials.
Inbound inspection: Verify the physical items against the inbound form, inspect the appearance, dimensions, and labels. Once confirmed to be correct, the materials are entered into the ERP system and processed for storage.
Logistics and Global Delivery: Self-operated fleet + contracted logistics partners; expedited service available for urgent orders.
International Shipping: Supports FOB, CIF, DDP, and other trade terms, covering 100+ countries and regions.
Process: Booking → Trucking → Customs Declaration → Loading onto Ship/Aircraft → Bill of Lading Issuance → Document Delivery → Destination Port Customs Clearance (Optional) → Last-Mile Delivery.
Provides door-to-door one-stop logistics with full tracking to ensure safe and timely arrival of goods.
After-Sales Service and Traceability: Delivery receipts, logistics information, and quality inspection documents are sent to customers within 24 hours of shipment.
Established a full product lifecycle traceability system, allowing tracking of production, quality inspection, warehousing, and transportation records.
Follow-up inspection within 72 hours of arrival; rapid response and handling of quality issues; assistance in resolving customs clearance issues for foreign trade orders.
Packaging Method
Fumigation-free plywood boxes
Steel strapping/bottom pallet
Vacuum/VCI Rust-Proof Paper
Steel plate frame reinforcement
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