English 
Español 
Français 
Deutsch 
Português (Brasil) 
Русский 
العربية 
Q355B H-Beam - GB Certified Supplier | SteelPro Group
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 Ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Q355B H-Beam
| Property | Parameter | Description |
|---|---|---|
| Product Name | Q355B H-Beam | Hot rolled structural steel H-beam |
| Material Grade | Q355B (S355JR, A572 Gr.50) | High strength low alloy structural steel |
| Standard Compliance | GB/T 11263, EN 10025-2, ASTM A992 | International structural steel standards |
| Carbon (C) | ≤0.20% | Carbon content per GB/T 1591 |
| Manganese (Mn) | ≤1.60% | Manganese content specification |
| Phosphorus (P) | ≤0.025% | Phosphorus content limit |
| Sulfur (S) | ≤0.025% | Sulfur content limit |
| Silicon (Si) | ≤0.55% | Silicon content specification |
| Tensile Strength | 490-630 MPa | Per GB/T 1591 standard requirements |
| Yield Strength | ≥355 MPa | Minimum yield strength at room temperature |
| Elongation | ≥20% | Elongation after fracture (thickness ≤16mm) |
| Dimension Range | H100×100 to H900×300mm | Web height × flange width, length 6-12m |
| Surface Finish | Hot rolled, shot blasted | Black or primer painted surface |
| Application | Building structures, bridges, industrial plants | Load-bearing structural components |
| Certification | ISO 9001, EN 10204 3.1/3.2, Mill Test Certificate | Quality assurance documentation |
| Packaging | Steel strapping in bundles | Waterproof wrapping for export |
| MOQ | 25 tons per specification | Minimum order quantity requirement |
Q355B H-Beam - GB Certified Supplier | SteelPro Group
Q355B H-Beam represents a premium structural steel solution engineered for demanding construction applications. Manufactured to GB/T 11263 standards, this high-strength steel profile delivers exceptional load-bearing capacity with yield strength of 355 MPa minimum, making it the preferred choice for industrial buildings, bridges, and heavy infrastructure projects across global markets.
What is Q355B H-Beam?
Q355B H-Beam is a hot-rolled structural steel section conforming to Chinese National Standard GB/T 1591. The designation indicates a minimum yield strength of 355 MPa with Grade B impact toughness at 20°C. This I-shaped profile features parallel flanges and optimized web thickness, providing superior structural efficiency compared to conventional steel sections.
Q355B H-Beam Technical Specifications
Our Q355B H-beams are supplied with chemical composition of C ≤0.20%, Si ≤0.55%, Mn ≤1.60%, and P ≤0.035%. Tensile strength ranges from 470-630 MPa with elongation ≥20%. Available dimensions span from 100×100mm to 900×300mm with web thickness from 6mm to 16mm. All products include mill test certificates per EN 10204 3.1 standards.
Frequently Asked Questions
What is the MOQ?
Our standard minimum order quantity is 25 metric tons per specification. For mixed container loads combining multiple sizes, we accommodate orders from 10 tons with adjusted pricing terms.
Do you provide material test certificates?
Yes, every shipment includes original mill test certificates (MTC) documenting chemical analysis, mechanical properties, and heat number traceability. Third-party inspection by SGS or BV can be arranged upon request.
What is the typical delivery time?
Stock sizes ship within 7-10 days ex-works. Custom-cut lengths or non-standard dimensions require 20-25 days production lead time. Express processing available for urgent projects with 15% premium.
Can you cut to custom sizes?
Absolutely. Our fabrication facility handles precision cutting to your exact specifications with tolerance of ±5mm. We also provide drilling, welding, and surface treatment services to deliver project-ready components.
Get a Competitive Quote for Q355B H-Beam
Ratings & Reviews
Know your supplier
Factory Introduction
Hongji Profiles Co., Ltd. is a professional manufacturer and supplier specializing in the R&D, production and sales of high-quality steel profiles. With years of experience in the metallurgical industry, we have earned a solid reputation for reliability, precision and customer-centric service, providing global clients with premium steel profile solutions for diverse industrial and architectural needs.
Our core business covers a full range of steel profiles, including angle steel, channel steel, I-beams, H-beams, C-section steel, Z-section steel, flat steel and custom special steel profiles. These products are widely applied in building structures, bridges, transmission towers, industrial machinery, automotive components and shipping. We strictly control material selection, adopting high-quality steel grades such as S235JR, S355JR, SS400, A36 and Q355 series to ensure excellent mechanical properties, durability and corrosion resistance.
Guided by a customer-first philosophy, we have built a comprehensive sales and after-sales network. Our products are exported to Europe, North America, Southeast Asia and Africa, with long-term cooperation with well-known enterprises. Our team provides one-stop services, and we ensure prompt delivery through sufficient inventory and optimized logistics.
Upholding “Quality First, Integrity-based, Innovation-driven, Win-Win Cooperation”, Hongji is committed to becoming a global leader in the steel profile industry, continuously improving quality and service to create a better future with global customers.
Customer visits
FAQ
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 Ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
