wholesale steel prop
Casting Coupler

Casting Coupler

Casting Coupler
Key Selling Points

Casting Couplers are widely used in reinforced concrete construction due to their strength, efficiency, and ease of use. One of the primary advantages is their ability to provide mechanical continuity between steel rebars. Unlike traditional lap splicing, which requires overlapping bars and increased material usage, Casting Couplers join bars end-to-end while maintaining full load-bearing capacity. This results in more efficient use of steel and reduced congestion in concrete sections.


Another key feature is high structural integrity and reliability. Casting Couplers are precision-engineered to match the diameter and grade of the rebar, ensuring uniform stress distribution and preventing weak points in the structure. They are designed to withstand tensile and compressive forces according to international building codes.


Ease of installation is another major benefit. Couplers can be attached quickly on-site or embedded during casting, allowing for faster construction schedules. They are compatible with various diameters and grades of steel reinforcement, making them versatile for multiple construction scenarios.


Durability is also critical. With corrosion-resistant coatings or stainless steel construction, Casting Couplers ensure long-term performance even in harsh environmental conditions. Reusable molds or embedded types reduce labor and improve site productivity.


Overall, Casting Couplers offer strength, safety, material efficiency, and speed, making them a preferred choice for engineers, contractors, and construction professionals seeking high-quality mechanical splicing solutions in reinforced concrete projects.

Technical Parameters

Casting Couplers are manufactured to meet stringent standards for reinforced concrete construction. Typical technical parameters include:


Material: High-strength carbon steel or alloy steel

Type: Threaded, compression, or wedge-type couplers

Diameter Compatibility: Rebar diameters from 12 mm to 50 mm (custom sizes available)

Load Capacity: Equal to or exceeding the yield strength of the connected rebar

Surface Treatment: Galvanized, epoxy-coated, or stainless steel for corrosion resistance

Standards Compliance: ISO 15835, BS 8666, ASTM A1034, or equivalent

Application: Mechanical splicing in reinforced concrete structures, embedded during casting or post-tensioned


Casting Couplers are engineered to ensure uniform stress distribution across the connected bars. Threaded couplers provide high-torque connections, while wedge or compression couplers allow fast assembly without specialized tools. They can be used in precast concrete elements, high-rise buildings, bridges, industrial facilities, and infrastructure projects.


Installation requires proper alignment, torque control (for threaded types), and adherence to manufacturer guidelines. Correct installation ensures full structural performance and compliance with design codes. Regular inspection of couplers before concrete pouring ensures safety and reliability.

Product Knowledge

Casting Couplers are essential mechanical connectors in reinforced concrete construction. Their main function is to transfer loads between rebars, ensuring continuity in tension and compression zones without relying on overlapping bar lengths.


The working principle is based on mechanical interlock or threaded connection. For threaded couplers, steel bars are threaded at the ends and screwed into the coupler, creating a secure joint. Compression or wedge-type couplers grip the rebar when tightened, maintaining load transfer capacity. Unlike lap splices, mechanical couplers reduce congestion in heavily reinforced areas, allowing for cleaner concrete placement and improved structural efficiency.


Advantages include reduced steel usage, faster installation, improved concrete quality, and enhanced structural safety. Couplers are especially useful in high-rise buildings, bridge columns, industrial plants, and precast concrete projects, where bar congestion and long lap requirements may cause construction challenges.


For proper use, couplers must be selected according to rebar diameter, grade, and design load. Threaded couplers require precise threading, torque control, and alignment. Compression or wedge-type couplers must be installed according to manufacturer specifications. Embedded couplers in precast elements ensure seamless connections during assembly on-site.


When properly used, Casting Couplers offer strong, durable, and efficient mechanical splicing solutions, reducing material costs and construction time while maintaining the structural integrity of reinforced concrete elements.

Product and Application

Visual presentation is essential to demonstrate the structure, installation, and applications of Casting Couplers. Clear images help engineers, contractors, and site supervisors understand installation methods, compatibility, and safety features.


Common image types include:

Product Overview: Individual couplers, highlighting threaded, compression, and wedge designs.

Detail Images: Close-ups of threads, grooves, and surface finishes showing corrosion resistance and precision engineering.

Installation Examples: Photos showing couplers connecting rebars in vertical and horizontal configurations.

On-Site Applications: Couplers used in bridge columns, high-rise building columns, industrial structures, and precast concrete panels.

Embedded Applications: Images showing couplers installed during casting for seamless bar connections.

Installation Process: Step-by-step visuals demonstrating alignment, connection, torque application (for threaded types), and verification of load-bearing capacity.


These images are widely used in catalogs, technical manuals, training guides, and online product listings. They provide practical guidance for safe installation, demonstrate the mechanical performance of couplers, and highlight their versatility and durability in reinforced concrete applications.


Combining detailed technical descriptions with high-quality visuals ensures engineers, contractors, and site managers can confidently select Casting Couplers as a safe, efficient, and reliable solution for reinforced concrete projects.


Product Parameter


SCAFFOLDING TUBER


Description

Weight(Black)

Weight(Hot Gal.)

48.3×1.8×6000mm

12.38 kg

13kg

48.3×2.0×6000mm

13.7kg

14.39 kg

48.3×2.8×6000mm

18.85kg

19.42 kg

48.3×3.0×6000mm

20.11 kg

20.71kg

48.3×3.2×6000mm

21.35kg

21.99kg

48.3×4.0×6000mm

26.22 kg

27 kg

60.3×2.0×6000mm

17.25kg

18.11 kg

42×2.0×6000mm

11.84 kg

12.43kg

26×2.0×6000mm

7.1 kg

7.46 kg


Standard

Size

Material

BS1139-1990/EN 39-2001/

EN10219

48.6*3.2*6000mm

Q235/Q355

48.6*4.0*6000mm

Q235/Q355

JIS G3444-2004

48.6*2.2*6000mm

STK500/STK400

48.6*2.4*6000mm

STK500/STK400


STEEL BEAM


Product Name

Materia

Width

Length

Ladder Beam

Q235/Q355

48.3*4.0/48.3*32mm

300/305mm

3M/4M6M/8M

Unit Beam

400/610mm

0.9-6M


BASE PLATE


Size

Length

Base Plate

Materia

36 *1.5mm

100-150mm

120*120*4mm


Q195/Q235

150*150*5/6mm


STEEL LADDER


Standard

Material

Width

Length

 

EN131

50*30mm

with Slip Resistant Rungs& Rubber Feet

300/305mm

 

3M-6M


COUPLERS


Pressed Double Coupler  Pressed Swivel Coupler   Pressed Sleeve Coupler   Pressed Putlog Coupler        Pressed Double Coupler

BS  48.3mm/0.83-0.87kg   BS 48.3MM/1.03kg       BS 48.3MM/1.03KG         BS 48.3MM/0.62KG            110  48.6MM/058-0.65KG 


Pressed Swivel Coupler        Pressed Double Coupler        Pressed Swivel Coupler          JIS Swivel Coupler 

110  48.6mm/0.98kg            90 48.6MM/0.59-0.65KG     90  48.6MM/0.59-0.65KG        48.6MM/0.98KG


Pressed                     BS Inner Jonit Pin             BS Drop Forged Double Coupler     BS Drop Forged Swivel Coupler    BS Drop Forged Joint Pin

48.3mm/0.5kg               48.3mm/0.72kg               48.3mm/0.97-1.05kg                      48.3mm/1.12-1.25kg                      48.3mm/1.1kg


BS                                                            BS                                      BS                                BS                                 BS

Girder Coupler                      Swivel Girder Coupler                   Ladder Coupler              Putlog Coupler                    Boader Retaining Coupler

48.3mm/1.5kg                            48.3mm/1.45kg                        48.3mm/0.68kg                 48.3mm/0.63kg                    48.3mm/0.62kg 


US Drop Forge                         US Drop Forge                       GERMAN Drop Forge               German Drop Forge             Casting fix Coupler

Double Coupler 1.5kg                 Swivel Coupler 1.8kg               Double Coupler 1.07kg     Swivel Coupler 1.27kg              48.3mm/1.00kg


Casting Swivel               Coupler  Casting Joint Coupler   Hexagonal Long Nut            Water Stop                       Water Plate

48.3mm/1.0kg                        48.3mm/1.0kg                             0.21kg                           0.48kg                           0.57kg

Tie Nut 0.9kg                           Wing Nut 0.28kg                Tie nut 0.6kg                 Tie Rod M17x6M-1.5kg/M    Steel Cone 0.615kg

Product Hotline

Product Hotline

+8613700386603

If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.