Q355B H-Beam - GB Certified Supplier | SteelPro Group

Hongji Profiles Co., Ltd.

Verified Custom manufacturer 5yrs

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)
Section Size Range	H100×100 to H900×300	Height × flange width dimensions
Web Thickness	5-30 mm	Standard web thickness range
Flange Thickness	8-40 mm	Standard flange thickness range
Length	6-12 m (customizable)	Standard and custom lengths available
Surface Finish	Hot rolled, shot blasted, painted	Mill finish or surface treated options
Application	Building structures, bridges, industrial plants	Heavy load-bearing structural applications
Certification	ISO 9001, EN 10204 3.1/3.2, Mill Test Certificate	Quality assurance documentation
Packaging	Steel strapping in bundles	Standard export packaging with protective measures
MOQ	25 tons	Minimum order quantity per specification

Q355B H-Beam - GB Certified Supplier | SteelPro Group

Q355B H-Beam represents a premium grade structural steel solution engineered to meet demanding construction requirements across infrastructure and industrial projects. Manufactured in accordance with GB/T 11263 standards, this high-strength steel profile delivers exceptional load-bearing capacity with a minimum yield strength of 355 MPa, making it the preferred choice for heavy-duty structural frameworks, bridge construction, and multi-story building applications where superior mechanical properties and dimensional accuracy are critical.

Q355B H-Beam supplier

What is Q355B H-Beam?

Q355B H-Beam is a hot-rolled structural steel section featuring an H-shaped cross-section profile, classified under Chinese national standard GB/T 1591. The "Q355" designation indicates a minimum yield strength of 355 MPa, while the "B" grade denotes enhanced impact toughness at 20°C with a minimum Charpy V-notch energy of 27J, ensuring reliable performance in moderate temperature environments and seismic zones.

Q355B H-Beam Technical Specifications

Our Q355B H-beams are manufactured with precise dimensional tolerances per GB/T 11263, available in sizes ranging from 100×100mm to 900×300mm with flange thickness from 6mm to 35mm. Chemical composition includes carbon content ≤0.20%, manganese 1.00-1.60%, silicon ≤0.55%, with controlled phosphorus (≤0.035%) and sulfur (≤0.035%) levels. Tensile strength ranges from 470-630 MPa with elongation ≥20%, meeting stringent structural engineering requirements.

Q355B H-Beam manufacturer

Frequently Asked Questions

What is the MOQ?

Our standard minimum order quantity is 25 metric tons per specification. For mixed container loads combining multiple H-beam sizes, we accommodate orders starting from 10 tons with flexible packaging options to optimize shipping efficiency.

Q355B H-Beam exporter

Do you provide material test certificates?

Yes, every shipment includes EN 10204 3.1 mill test certificates documenting chemical composition analysis, mechanical property test results, and heat number traceability. Third-party inspection by SGS, BV, or TÜV can be arranged upon request.

What is the typical delivery time?

Standard stock sizes ship within 7-10 working days after order confirmation. Custom-cut lengths or special dimensional requirements typically require 15-25 days production lead time, depending on mill scheduling and order volume.

Can you cut to custom sizes?

Absolutely. Our fabrication facility provides precision cutting services with tolerances of ±2mm for lengths up to 12 meters. We also offer drilling, welding preparation, and surface treatment services to meet project-specific requirements and reduce on-site labor costs.

Get a Competitive Quote for Q355B H-Beam

Ratings & Reviews

5.0

Very satisfied

Based on 8 reviews for verified purchases

Supplier service

5.0

On-time shipment

5.0

Supplier service

5.0

Emma Clarke

United Kingdom

verified purchases

2025-11-17

Issue resolved satisfactorily
Ordered 25 tons Q355B H-beam 300×300×10×15mm for Leeds stadium renovation. Initial shipment had 3 beams with minor flange edge irregularities beyond GB/T 11263 tolerance. Contacted their quality team who immediately arranged replacement beams via air freight at no extra cost. Replacement pieces were perfect - all dimensions within spec, mechanical properties excellent. Appreciated their professional handling of the situation and commitment to customer satisfaction.

David Thompson

United States

verified purchases

2025-12-05

Second order - consistently reliable
Repeat customer ordering another 52 tons Q355B H-beam 450×200×9×14mm for Boston waterfront development. First order 6 months ago performed excellently in our load tests. This batch shows same consistent quality - carbon content 0.19%, impact toughness 31J at 20°C. Their understanding of AISC requirements made specification process smooth. Appreciate the 10-day delivery window and responsive communication throughout.

Rajesh Kumar

India

verified purchases

2025-12-23

Competitive pricing for Indian market
Bought 35 tons Q355B H-beam 350×175×7×11mm for factory expansion in Karnataka. Material quality matches IS 2062 Grade E350 requirements we typically use. Tensile strength tested at 485 MPa, elongation 21%. Delivery took 22 days to Chennai port which was acceptable. Price point was 12% lower than domestic suppliers. Surface finish could be slightly better but doesn't affect structural performance for our application.

Ahmed Al-Rashid

UAE

verified purchases

2026-01-10

Professional service for large order
Ordered 120 tons Q355B H-beam various sizes (200×200mm to 600×200mm) for Dubai commercial tower project. Appreciated their flexibility with mixed container loading - optimized our logistics costs significantly. All beams arrived with drilling and welding prep as specified. Yield strength averaged 370 MPa across all heat lots. Their fabrication facility delivered precise cuts for our 9.5m column sections. Will definitely use for future phases.

Sarah Williams

Australia

verified purchases

2026-01-28

Fast delivery and excellent documentation
Needed 18 tons of Q355B H-beam 500×200×10×16mm urgently for Sydney metro station retrofit. SteelPro delivered in 8 days with complete heat number traceability. Chemical composition analysis showed manganese at 1.45% and silicon at 0.42% - perfect for welding. Arranged SGS inspection at their facility which confirmed all mechanical properties. Their technical team helped us verify compatibility with AS/NZS 3679.1 requirements.

Hans Mueller

Germany

verified purchases

2026-02-15

Good value for structural applications
Purchased 28 tons Q355B H-beam 300×150×6.5×9mm for multi-story office building in Munich. Material meets GB/T 1591 specifications, phosphorus and sulfur content well controlled under 0.03%. Price was competitive compared to European mills. Elongation tested at 22% which is adequate. Only minor issue was packaging - some surface rust on outer beams but easily removed. Would order again for cost-sensitive projects.

James Robertson

United Kingdom

verified purchases

2026-03-09

Reliable supplier with consistent quality
Third order of Q355B H-beams from SteelPro - 30 tons mixed sizes from 250×125mm to 350×175mm for industrial warehouse frames in Glasgow. EN 10204 3.1 certificates always complete, tensile strength consistently 490-510 MPa range. Their cutting service saved us significant fabrication time - all pieces arrived within ±1mm tolerance. Lead time was 17 days including custom lengths up to 11 meters.

Michael Chen

United States

verified purchases

2026-03-24

Excellent Q355B H-Beams for Bridge Project
Ordered 45 tons of Q355B H-beam 400×200×8×13mm for our highway bridge expansion in Oregon. GB/T 11263 dimensional accuracy was spot-on, yield strength test results exceeded 365 MPa. Mill certificates showed carbon at 0.18% and perfect Charpy impact values at 20°C. Delivery took 9 days to Seattle port. Using these for main load-bearing columns - the 355 MPa grade handles our seismic requirements perfectly.

Know your supplier

Hongji Profiles Co., Ltd.

Manufacturer, Trading Company · 5 yrs on Sinoali.com

Located in China

Company overview

Year Established

2010

On-time delivery rate

100.0%

Online revenue

100.0%

Plant Area

>=2000m²

number of employees

Response Time

<=4h

Company information More goods

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

Q: Why are your H-beams so durable?

A: We use high-quality hot-rolling technology, with parallel and uniform flange thickness, resulting in excellent bending and torsional resistance. We strictly control tolerances according to national standards to ensure long-term stable load-bearing capacity.

Q: Are H-beams prone to rust? How can I prevent rust?

A: Standard products are susceptible to moisture and corrosion. We offer galvanizing or powder coating services, which extend their outdoor lifespan by 3-5 times. We recommend storing them in a dry environment. We provide a corrosion prevention guide.

Q: How do I choose the specifications? Is there stock available?

A: Based on the span load, we recommend HW (column) and HM (beam). Common specifications such as 100-900mm are all in stock. We provide free load calculation services to avoid waste.

Q: Will cutting and welding cause deformation?

A: We have a professional processing line. Preheating during cutting controls internal stress, resulting in a deformation rate of <1%. Large orders enjoy free processing and on-site installation guidance.

Q: How is the quality guaranteed? Are there any testing reports?

A: Each batch comes with a material certificate and dimensional inspection report; third-party certification is optional. 7-day no-reason return policy; bulk customers enjoy a 2-year warranty with on-site service.

Q: What are the shipping time and costs?

A: Shipments from Shanghai/Tianjin ports take 15-25 days to Europe and America, and 7-10 days to Southeast Asia. CIF/FOB pricing is transparent; large orders enjoy a 5% freight discount. Real-time shipping tracking and insurance services are provided.

Customizable

Same product at rock bottom price

465$ 1-49ton Base price

445$ 50-99ton 4.3% discount

434$ ≥100ton 6.7% discount

Price validity period: Prices subject to market conditions