2. Certifications: ISO 9001, CE, SGS. Third - party NDT reports available.
3. Custom services: Support non - standard sizes, offer galvanizing/painting, accept custom drawings.
4. Delivery: 15 days for regular, 10 days for expedited (10% extra).
5. Applications: Factory load - bearing beams, bridge supports. Bending strength ≥345MPa for large - span.
6. Cost: Saves 16% on steel vs. I - beams. Bulk orders have tiered pricing.
Q345B Solid Web Steel Beam: Premium Quality, Unmatched Performance
Shenyang Zhongda Steel Structure Engineering Co., Ltd. is your trusted Q345B Solid Web Steel Beam manufacturer and supplier. Our advanced production capabilities, rigorous quality control, and customer-centric approach make us the preferred choice for construction and engineering firms worldwide.
Product Description: Q345B Solid Web Steel Beam
Our products are engineered for superior strength and durability, perfect for heavy-duty construction projects. These high-performance beams offer:
- Material: Q345B steel, compliant with ASTM A992 and GB/T 11263-2010 standards
- Customizable dimensions: Web height 80-400mm, flange width 100-350mm
- Yield strength: ≥345MPa, ideal for large-span structures
- Fully penetrated welding with staggered weld seams (≥200mm)
- Excellent load-bearing capacity and structural integrity
- Cost-effective solution, saving up to 15% on steel compared to I-beams
- Whether you're working on industrial facilities, bridges, or other demanding applications, our products deliver the performance you need.
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Product Features:
- High strength-to-weight ratio ensures our materials are both incredibly strong and remarkably light, making them perfect for applications where durability and minimal weight are essential.
- Excellent weldability and fabrication properties allow our products to be easily shaped and joined, enabling efficient manufacturing processes and tailored solutions for diverse projects.
- Superior corrosion resistance shields our materials from rust and environmental damage, delivering long-term performance and reliability in challenging conditions.
- Consistent quality across large orders provides uniformity and dependability in every piece, ensuring that customers receive the same high standard no matter the scale of their order.
- Versatile application in various construction scenarios makes our products highly adaptable, suitable for everything from towering skyscrapers to intricate infrastructure projects.
- Engineered for optimal load distribution enhances structural integrity and safety, ensuring our materials effectively handle stress and pressure for secure, stable constructions.
Quality Control:
At Zhongda, we prioritize quality at every step:
- ISO 9001 certified quality management system
- Rigorous material testing and selection
- Advanced non-destructive testing (NDT) methods
- Third-party inspection and certification available
- Continuous monitoring throughout the production process
Why Choose Us?
- 60,000-ton annual production capacity
- State-of-the-art equipment, including CNC ultra-thick plate cutting
- Expertise in complex project execution
- 70% client retention rate
- 20-30% lead time reduction compared to industry standards
- Comprehensive technical support and documentation
Production Process:
- Material selection and testing
- Precision cutting and shaping
- Advanced welding techniques
- Quality inspection and NDT
- Surface treatment (if required)
- Packaging and delivery
OEM & ODM Services:
Customize your Q345B Solid Web Steel Beams to meet your exact project requirements:
- Non-standard sizes available (e.g., extra-wide flanges, special cross-sections)
- Surface treatments: Galvanizing or painting options
- Custom processing based on your CAD/3D files
- Flexible production scheduling to meet your deadlines
- Regular orders: 15-day delivery
- Expedited orders: 10-day delivery (10% rush fee)
Our engineering team works closely with you to ensure your custom products meet all specifications and performance criteria.
Project Cases:
Our products have been successfully used in numerous high-profile projects:
- 18,000-ton Shenyang Dongta Cross-Hunhe River Bridge
- Jingha Expressway expansion
- Multiple industrial plants for central SOEs (China Railway, CSCEC, CCCC)
- Australian mining crushing stations
These projects showcase our ability to deliver large-scale, complex structures with precision and reliability.


Certifications:
- ISO 9001/14001/45001
- CE Marking
- SGS Material Certification
Packaging and Delivery:
- Secure packaging for safe transportation
- Customizable packaging options for specific requirements
- Global shipping capabilities with reliable logistics partners
FAQ:
Q: What is the minimum order quantity for the products?
A: We offer flexible MOQs to accommodate your project needs. Contact us for details.
Q: Can you provide technical support for my project?
A: Absolutely! Our expert engineering team is available to assist with design, calculations, and implementation.
Q: Do you offer bulk pricing for large orders?
A: Yes, we provide tiered pricing for bulk purchases. Please inquire for a customized quote.
Contact Us:
Ready to elevate your construction projects with our premium Q345B Solid Web Steel Beams? Contact our sales team at Ava@zd-steels.com for expert advice, quotations, and support. Let's build something extraordinary together!
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