GB 10.9S Grade High-Strength Torque-Shear Bolts, Custom-Designed for Ultra-Large Span Steel Structures in Stadiums

When your designs target grand stadiums, airport terminals, or convention centers with ultra-large span steel structures, every connection point bears the responsibility for the building's century-long safety. Under such extreme challenges, ordinary fasteners are insufficient. Nanning Olympic Exhibition Center understands that only top-tier connection solutions can transform grand blueprints into a solid reality.

I. Strength Commitment: Why is Grade 10.9S the Inevitable Choice for Ultra-Large Span Structures?

Ultra-large span structures represent the pinnacle of mechanics and aesthetics, and their safety depends entirely on the reliability of critical nodes. GB 10.9S Grade High-Strength Torque-Shear Bolts are precisely the "backbone of steel structures" born for this purpose.

Ultimate Load Bearing: Must withstand the combined test of complex loads such as structural self-weight, wind loads, snow loads, and even seismic forces.

Fatigue Resistance: Under long-term dynamic loads, bolts need to possess excellent fatigue resistance to prevent potential fracture risks caused by stress cycles.

Ensuring Rigidity: The frictional force provided by high preload is crucial for ensuring the overall structural rigidity, effectively preventing joint slippage and deformation.

The "10.9 grade" designation indicates a yield strength of up to 900MPa and a tensile strength of up to 1000MPa for the bolt material, providing a solid mechanical foundation for your large-scale structures.

II. Technological Innovation: How Does the Torque-Shear Design Ensure Precise Construction?

Compared to traditional bolts, the torque-shear design brings revolutionary progress to large-scale steel structure construction.

Visualized Installation Results: The unique sprite-like head design at the bolt's tail shears off when the torque is applied to the set value using a specialized electric wrench. This achieves precise control of "breakage equals acceptance," making installation quality immediately apparent.

Eliminating Human Error: Construction quality no longer relies on worker experience, fundamentally avoiding under-tightening or over-tightening, ensuring uniform preload at thousands of connection points.

Improved Project Efficiency: With specialized tools, the tightening process is completed in one step, significantly improving the construction efficiency of large projects and safeguarding your project schedule.

III. Nanning Aozhan's Exclusive Customization: Exceeding Standards, Empowering Safety

We offer not only products that meet national standards, but also in-depth customization and comprehensive protection tailored to your project needs.

Material and Craftsmanship Guarantee: We select high-quality alloy steel and employ rigorous tempering heat treatment to ensure a perfect balance between bolt core toughness and surface strength, achieving a unity of high strength and durability.

Comprehensive Corrosion Protection Solutions: For the high humidity and salt spray environments that sports venues may face, we offer various advanced anti-corrosion treatments such as Dacromet and hot-dip galvanizing, greatly extending the structural lifespan.

Full-Process Technical Support: From bolt selection and scheme demonstration in the early stages of the project to installation guidance during the construction phase, Nanning Aozhan's professional team is always your reliable technical support.

Nanning Aozhan is your trustworthy partner in the field of high-end steel structure fastening. We are committed to seamlessly integrating cutting-edge bolt technology with your grand engineering projects, jointly creating benchmark buildings of the era.

If your project has the ultimate pursuit of connection safety, please contact us immediately. Let us provide you with high-strength bolt connection solutions specifically designed for ultra-large span steel structures.