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Rebar Couplers

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Rebar Coupler

◆ Tenjan's Rebar Couplers feature national-standard quality, compliant with JG/T163 and other international norms like ACI318, JGJ107, UBC 1997,BS8110,NF35-20-1,DIN1045, and ISO 15835.
◆ Crafted from high-quality carbon and alloy steel tubes, they ensure end-to-end quality control. Customizable for size (diameter, thread pitch, length) and breaking force to match specific rebar standards/grades, optimizing cost-efficiency.
◆ Certified for multiple global standards, these couplers offer reliable mechanical splicing with precision engineering for diverse construction needs.

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Our Rebar Coupler for Mechanical Splicing

Upsetting Parallel Thread Rebar Coupler
Rolling Straight Thread Rebar Coupler
Cold Extrusion Press Rebar Coupler
Bolted Rebar Coupler
Taper Thread Rebar Coupler
Customized Special Shape Rebar Coupler

OEM and ODM Service

1.Raw Material CustomizationOwing the entire seamless steel tube production line, Tenjan can customize rebar couplers starting from tube production according to requirement.
2.Coupler Breaking Force CustomizationBased on being an expert in material properties, Tenjan can design the rebar coupler breaking force based on the rebar standard and grade to save the overall cost for customer.
3.Standards ComplianceIn compliance with ACl318, JGJ107, UBC 1997,BS8110, NF35-20-1,DIN1045,ISO 15835.
4.Size CustomizationDesign and customize according to customers' required major diameter, pitch of thread, Length.

Applications

Tenjan Rebar Couplers are widely used in nuclear power plants, sea-crossing bridges, water conservancy dams, buildings, etc. Exported to over 20 countries across six continents, and have been consistently trusted by global customers.

Hangzhou Bay Bridge
Indonesia Jatigede Dam
Pakistan Kohala Hydropower Station
Penang Second Bridge, Malaysia
Russian Federation Tower
Zemun-Borca Bridge, Serbia

Our Certificates

TUV Test for the seamless steel tube(the raw material of rebar coupler)
SGS Testing Report(Tensile Test-Slip Test)
Certificate-of-Approval
ISO-certificate-of-Conformity

Scientific Rigor, Quality Assurance

Every batch of rebar coupler can be traced and guaranteed, following lSO9001.

Production Process

Roud Bar
Tube Production
Cutting
Chamfer
Machining OD
Threading
Laser Marking
Anti-Rust
Package
Shipping
We Have A Professional Team To Provide Design+ R&D+ Customization + Customer VlP Service

Inspection Process

1
Raw Materia Identification &Traceability
2
Seamless Steel Tube Inspection
3
Seamless Steel Tube Tensile Strength Testing
4
In-process Size Checking
5
Coupler Breaking Force Testing
6
Coupler Threading Checking(WITH GO & NO-GO GAUGE)
7
Finished Coupler Size Checking
8
Finished Coupler Surface Checking

Why Global Customers Trust Tenjan Steel Tubes?

: Vertical Integration Excellence in Steel Tube Manufacturing

One-Stop Precision Tube Production from Raw Material to Finished Product

Material Customization: Alloy Steel & Carbon Steel design & Certified billet sourcing

Integrated Production：Seamless piercing, cold drawing/rolling, heat treatment，Integrated ECT/UT Inspection

Full Process Traceability: Batch-tracked at every production stage

: Certified Steel Tubes for Demanding Applications

Trusted Quality Backed by Global Standards

Quality Certifications:IATF 16949,ISO 9001,Third-party verified by SGS & TÜV

Material Compliance:ASTM (A519, A106, A179, A192) ,EN/DIN (10297, 2391,1629,10305) ,JIS (G3445/G3444)

: Precision-Engineered Steel Tubes • Customized for Your Critical Applications

Customized Material Specification | Dimensional Precision | Profile Customization | Performance Enhancement | Flexible Volume Production

> Carbon & alloy steel grades,Custom chemical composition,Full MTC traceability
> OD: 10–108mm (0.39"–4.25") WT: 1–20mm (0.04"–0.79")
> Seamless round tubes,Cold-formed shapes((square, rect., hex. & others)
> Annealed/Normalized,Quenched & Tempered,Surface finishes:Pickled/Oiled
> Small batch: 5 tons MOQ

: Total Steel Tube Solutions for Industry

Precision Tubes Engineered for: Auto Parts | Mechanical Parts | Agricultural Machinery | Mining Support & Construction | High-Pressure Systems

Technical Support Services: Design Consultation | Material Selection | Testing Validation

Value-Added Processing: Precision Cutting, Chamfering,OD/ID machining, Anti-rust oil, Custom Packaging
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Why Global Customers Trust Tenjan Steel Tubes?

: Customizable Alloy and Carbon Steel Grades

We offer customizable alloy and carbon steel gra- des to match your project’s exact requirements.

Why settle for generic materials when we can align specifications directly to your application? By focusing on only what you need, we deliver superior cost efficiency without compromising quality—saving you time and resources.

: Reliable Delivery Capacity

With an annual production capacity of 60,000 tons, we guarantee on-time delivery even for large-scale orders.

Our surplus capacity acts as a safety net, eliminating risks of bottlenecks or missed deadlines—critical for projects with strict timelines.

: Complete Manufacturing Supply Chain

We offer customizable alloy and carbon steel grades (ASTM, EN, DIN, JIS) to ma- tch your project’s exact requirements.

• Advanced metalworking: Piercing, pickling, heat treatment & cold forming
• Precision verification: Dual NDT (Ultrasonic/Eddy Current) + material testing (Tensile/Chemical)
• 24/7 lab monitoring of 60+ parameters ensuring product consistency

: Meet Regulatory Standards Compliance

IATF16949: Automotive-grade quality for precision parts.
TS (Pressure Pipe): Safety compliance for critical infrastructure (e.g., pipelines, boilers).
ISO9001: General excellence in process management.
Plus optional third-party validation (TÜV/SGS) for added credibility in regulated markets like aerospace, energy, or medical devices.