Screw thread steel

Screw Thread Steel Bars: Engineered for Strength, Built to Last
Screw thread steel bars, also known as prestressed threaded reinforcement bars, are the backbone of modern heavy-duty construction. Designed for critical applications like bridges, slope stabilization, and seismic-resistant structures, our ASTM-certified bars deliver unmatched tensile strength, corrosion resistance, and installation efficiency.

✅ Why Choose Our Screw Thread Steel Bars?
Ultra-High Tensile Strength

Grades: PSB785 to PSB1080 (yield strength up to 1,080 MPa).

Alloy-Enhanced: Vanadium (V) and niobium (Nb) additives boost durability and weldability.

Corrosion Resistance

Epoxy-Coated Options: Ideal for coastal zones or chemical-heavy environments.

Stainless Steel Variants: 316L grade for marine projects or wastewater plants.

Simplified Installation

Precision Threads: Compatible with standard couplers and anchors for rapid assembly.

Pre-Cut & Pre-Bent Kits: Save 30% on-site labor with custom-fabricated grids.

Code Compliance

Meets ASTM A615/A706 and GB/T 20065-2016 standards.

Certified for seismic zones (ACI 318 Ch. 18).

 

60s online customer service
2 days customize solutions
Factory visiting anytime
1-10 days dispatch the goods
One week of installation
2 days of training
365 days after-sales online
Project tracking regularly
2 days provide maintenance plan

Pre-sale service

Sales service

After-sales service

Tip1: The specific time arrangement depends on the actual situation. Tip2: Free airport transfer and hotel accommodation.

🏗️ Applications
Project Type Recommended Grade Key Benefits
Bridges & Highways PSB830 Handles dynamic loads and vibrations
Retaining Walls PSB785 (Epoxy) Resists soil pressure and moisture
Nuclear Facilities PSB1080 (Stainless) High heat and radiation resistance
Precast Concrete PSB930 Streamlines modular construction
📊 Technical Specifications
Parameter Details
Diameter Range 18 mm – 50 mm (0.7″ – 2″)6
Thread Pitch Customizable (3–12 threads per inch)
Thermal Tolerance -40°F to 1,200°F (-40°C to 650°C)
Certifications ASTM, ISO 9001, LEED-compliant options
🛠️ Installation Made Easy
Cut to Length: Use hydraulic shears for clean edges.

Assemble: Connect bars with threaded couplers or anchors8.

Secure: Position using corrosion-resistant chairs/spacers (2″ concrete cover)9.

Pour: Ensure full concrete encapsulation for optimal performance.

Pro Tip: Pair with our laser alignment tools for error-free grid spacing9.

🌍 Sustainable & Cost-Effective
Recycled Content:  reduces carbon footprint.

Bulk Discounts: Save 15% on orders over 50 tons.

30-Year Warranty: Rust-proof coatings backed by industry-leading guarantees.

📜 Quality Assurance
Mill Test Reports: Provided for every batch.

Third-Party Inspections: Available for large-scale projects.

Global Shipping: Delivered to sites in 5–7 business days.

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WELCOME TO CONTACT US

As a leading stainless steel manufacturer and exporter in China, we are always here to provide you with high quality products and better services. Welcome to contact us through one of the following ways or visit our company and factories.

Better Service and Better Quality Are Our Main Goal For A Lifetime
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ZhongKai Steel
Manufacturing and Exporting Base

Professional Reliable Efficient

Based on the high quality and complete after-sales service, our products have been exported to more than 120 countries and regions. Sunning Steel has been the choice of more than 200,00 customers.

Provide 7 * 24 hours after-sales consultation service
The overseas service team
Promise one-year guarantee period
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NEED HELP?

WELCOME TO CONTACT US

As a factory of Sunning Steel in China , we are always ready to provide you with better quality and services. Welcome to contact us or visit our company and factory in the following ways

Contact Us