Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of threaded steel bar in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
Threaded Steel Bar
China's Precision-Engineered Fastening Solution for Global Construction
Why Threaded Steel Bars Are Revolutionizing Structural Connections
Market Growth: Global threaded steel bar demand surges at 8.4% CAGR (2023-2030), driven by prefab buildings, bridge expansions, and renewable energy projects.
Search Trends: "Threaded steel bar supplier" searches up 27% YoY, with high intent in the UAE, Australia, and Germany.
China's Advantage: Combines high-tensile strength (up to 1,050MPa) with cost efficiency – 30% lower pricing vs. EU-made equivalents.
Technical Specifications: Threaded Steel Bar Standards
(Primary Keyword: "Threaded Steel Bar Specifications")
| Parameter | Metric | Global Certifications |
| Diameter Range | M12 to M36 (custom up to M64) | ASTM A36, DIN 975, ISO 898-1 |
| Thread Pitch | 1.75mm (M12) to 6.0mm (M36) | BS 3692, JIS B 0207 |
| Tensile Strength | 800-1,050MPa (Grade 8.8-12.9) | EN 14399-4 (High-Strength) |
| Surface Treatment | Hot-dip galvanized / Dacromet coating | ASTM A153, ISO 1461 |
| Length Customization | 1m to 6m (±2mm tolerance) | AS/NZS 2312 (Corrosion Resistance) |
Specialized Variants:
Seismic Grade: Meets AISC 341 for earthquake-resistant bolted connections.
Stainless Steel Threaded Bars: ASTM A276 (316L), ideal for chemical plants.
Left-Hand Threads: Customized for specialized machinery and infrastructure.
China's Competitive Edge: Quality, Speed, and Cost
(LSI Keywords: "China Threaded Bar Supplier", "Threaded Steel Rod Price")
1. Unbeatable Pricing
FOB China Rates: 400−420−450/ton (Grade 8.8 to 12.9), 25-40% below Western competitors.
Bulk Discounts: 5% off 10+ ton orders, 8% for 50+ tons.
2. Advanced Manufacturing
CNC Thread Rolling: <0.1mm pitch accuracy, 100% thread consistency.
Automated Heat Treatment: Induction hardening ensures uniform hardness (HRC 22-34).
3. Fast Turnaround
15-Day Production Lead Time: 80,000-ton annual capacity.
Global Logistics: Door-to-door shipping via DDP terms, including ASEAN/Africa remote sites.
Applications: Where Precision Threading Matters
1. Precast Concrete Systems
Modular Building Joints: M24 threaded bars secure 20-ton concrete panels in high-rises.
Post-Tensioning Anchors: Grade 10.9 bars for bridge cable anchoring (EN 10138 compliance).
2. Industrial Machinery
Wind Turbine Bases: M36 threaded rods withstand 150kN preload forces (IEC 61400 certified).
Mining Equipment: Abrasion-resistant 4140 alloy bars for crusher assembly.
3. Infrastructure Upgrades
Retrofit Projects: Epoxy-coated M20 bars reinforce aging bridges per AASHTO LRFD.
Solar Farm Mounting: Hot-dip galvanized M16 bars resist coastal corrosion for 25+ years.
Certifications & Compliance: Trusted Globally
Quality Assurance: ISO 9001, IATF 16949 (automotive-grade precision).
Regional Approvals:
EU: CE Marking (EN 14399)
Middle East: ESMA, G-Mark (GCC)
North America: ASTM F3125 Grade A325/A490
Sustainability: Recycled steel content ≥92%, verified by SCS Global Services.
Case Studies: China-Made Threaded Bars in Action
1. Qatar FIFA World Cup Stadiums
12,000 M30 Grade 10.9 bars for modular roof connections, withstanding 150km/h winds.
2. Australian Offshore Wind Farms
8,500 hot-dip galvanized M24 bars (ISO 1461) for turbine monopile foundations.
3. German Automotive Factories
CNC-rolled M12 12.9-grade bars for robotic assembly lines, achieving 0.05mm thread tolerance.
Export Services Tailored for International Buyers
1. Precision Packaging
PVC sleeving + waterproof wrapping: Zero rust during maritime transit.
Barcode-labeled bundles: Scan to access batch-specific test reports.
2. Technical Partnership
Free CAD Drawings: Thread profiles in DWG/STEP formats.
On-Site Training: Bolt tensioning best practices for your engineering team.
3. Risk-Free Transactions
Quality Guarantee: 24-month replacement warranty for threading defects.
Flexible Payments: LC, TT, or Alibaba Trade Assurance secured deals.
SEO-Optimized FAQ Section
Q1: What's the difference between Grade 8.8 and 10.9 threaded bars?
A: Grade 10.9 offers 25% higher tensile strength (1,040MPa vs. 800MPa), ideal for heavy load applications.
Q2: How to prevent thread galling in stainless steel bars?
A: We apply Molykote anti-seize coating – compliant with NSF/ANSI 61 for potable water systems.
Q3: Can you match DIN 976 threading standards?
A: Yes – Our CNC machines replicate DIN/ISO/SAE thread profiles with 99.9% accuracy.
Compelling Call-to-Action
For Engineers & Procurement Managers:
✅ Free Samples: Request 300mm threaded bar cuttings with hardness test reports.
✅ Just-in-Time Delivery: Schedule weekly shipments to align with your project phases.
✅ Custom Solutions: Submit your thread drawings for instant DFM feedback.
Targeted Search Intent Coverage:
"Threaded steel bar supplier China" → Certifications & pricing sections
"High-strength threaded rod price" → Technical specs table
"DIN 975 threaded bar" → Compliance details
China dongmeng steel
Global Threaded Bar Leader: 200,000+ Tons Supplied to 50+ Countries
📞 +86 15769214734 | 🌐 www.cndmmetal.com | 📧 office@dongmjd.com
[SEO Metadata]
Title Tag: Threaded Steel Bar Supplier from China | ASTM/DIN Certified, Low MOQ
Meta Description: High-strength threaded steel bars: Grade 8.8 to 12.9, hot-dip galvanized options. FOB from $1,200/ton. ISO 9001 factory, 15-day lead time.
Alt Texts: "Precision CNC-rolled threaded steel bar", "Hot-dip galvanized threaded rods", "Threaded bars in bridge construction"
Precision Threading, Global Trust – Your Partner in Structural Excellence
who choose us?
Prestressed steel anchor rods are mainly composed of anchor heads, rod bodies, pads, etc. Among them, the rod body usually uses high-strength precision-rolled threaded steel bars, which have excellent mechanical properties and bearing capacity. The anchor heads and pads are used to firmly connect the anchor rods to concrete or rock and soil.
one-stop solution
professional team
high quality
prestressed steel anchor rods
The working principle of prestressed steel anchor rods is to use prestressing technology to tension and lock the steel bars before the anchor rods are installed, thereby generating a certain amount of prestress in the anchor rods. When the anchor rods are subjected to external forces, this prestress can offset part of the external forces, thereby improving the bearing capacity and stability of the anchor rods.
Features and Advantages
High bearing capacity: prestressed steel anchor rods can withstand higher loads and have a high bearing capacity.
Good seismic performance: the prestressed steel bars of prestressed steel anchor rods can improve the rigidity and seismic resistance of the structure and effectively reduce the impact of earthquakes on the structure.
Easy construction: the construction of prestressed steel anchor rods is simple and convenient, and can be completed in a shorter time, which improves the progress of the project.
Wide range of application: prestressed steel anchor rods are suitable for various types of reinforced concrete structures, such as bridges, tunnels, dams, high-rise buildings, etc.
Manufacturing process
The manufacturing process of prestressed steel anchor rods usually includes the following steps:
Rebar processing: the steel bars are processed according to the design requirements, including shearing, bending and other treatments.
Install prestressed anchors: install prestressed anchors in concrete structures according to design requirements.
Rebar arrangement: arrange the steel bars in concrete structures according to design requirements.
Prestressed steel bar tensioning: apply prestress to the steel bars through prestressed reinforcement rods, and stretch the steel bars under the designed prestressing force.
Fix prestressed steel bars: fix the stretched prestressed steel bars in prestressed anchors.
Cast concrete: after the prestressed steel bars are fixed, cast concrete to form anchors.
Application fields
Prestressed steel bar anchors are widely used in civil engineering, especially in projects that need to enhance structural stability and bearing capacity. For example, in bridge engineering, prestressed steel bar anchors can improve the bearing capacity and seismic resistance of bridges; in tunnel engineering, it can increase the stability and bearing capacity of tunnels; in dam engineering, it can improve the stability and seismic resistance of dams; in high-rise buildings, it can increase the stability and bearing capacity of structures.
In summary, prestressed steel bar anchors are an important prestressed component with broad application prospects and important economic value. With the continuous development and innovation of technology, the performance and quality of prestressed steel anchor rods will continue to improve, providing more reliable guarantees for the safety and stability of various projects.
The PSB830 thread bar, also known as a high-strength finish-rolled thread steel bar, is a specialized steel product commonly used in prestressed concrete structures. Below is a detailed overview of the PSB830 thread bar:
Characteristics
High Strength: The yield strength of PSB830 thread bars reaches a minimum of 830 MPa, with a tensile strength of at least 1030 MPa. This high strength makes it suitable for use in applications that require significant load-bearing capacity.
High Precision: The product features high dimensional accuracy and stability, ensuring smooth matching during connection and anchoring processes, which improves construction efficiency and safety.
Excellent Mechanical Properties: With a low yield ratio and good elongation, PSB830 thread bars maintain good deformation ability under load, enhancing the overall stability of structures.
Good Weldability: The bars have excellent weldability, facilitating on-site processing and connection.
Corrosion Resistance: Special treatments can make PSB830 thread bars resistant to certain corrosive environments, extending their service life.
Applications
PSB830 thread bars are widely used in various construction projects, including:
Bridge Engineering: They are often used to make the main beams, bridge decks, and other components of bridges. Their high strength and seismic performance meet the requirements of bridge engineering, ensuring the stability and safety of bridges.
Civil Engineering: In civil engineering, PSB830 thread bars are commonly used for the production of reinforced concrete piles, which can reinforce soil and foundations, increase foundation stability, prevent settlement and sliding, and protect the safety of buildings.
Tunnel Engineering: They are used in the production of tunnel linings, which are protective layers on the inner walls of tunnels, preventing soil collapse and water infiltration, and providing tunnel stability and durability.
Infrastructure Construction: PSB830 thread bars are also widely used in infrastructure projects such as subways, highways, and airports. They are used to make underground structures, bridges, road surfaces, etc., ensuring the stability and durability of infrastructure.
Connection and Anchoring
PSB830 thread bars are designed with external threads that allow for easy connection and anchoring. They can be connected using threaded connectors or nuts, providing a reliable and efficient way to assemble structures.
Production Process
The production of PSB830 thread bars involves multiple complex process steps, including raw material preparation, steel smelting, continuous casting and rolling, and heat treatment. Heat treatment is particularly crucial for the final performance of the product, as it involves precise control of temperature and time at various stages to ensure the optimal microstructure of the steel bars, thereby improving their mechanical properties and service life.
Market Prospects
With the continuous advancement of national infrastructure construction and the acceleration of urbanization, the demand for high-performance building materials in projects such as bridges is increasing. As a high-quality, high-strength prestressed concrete threaded steel bar, PSB830 thread bars have broad market prospects. Additionally, with continuous improvements in production technology and cost reductions, their market competitiveness is expected to further enhance.
In summary, PSB830 thread bars are an important material in the construction industry due to their high strength, high precision, excellent mechanical properties, and good weldability. They play a crucial role in ensuring the stability and safety of various engineering projects.
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