
La barra tirante laminada en caliente para encofrado también se denomina barra tirante para hormigón o barra roscada Dywidag. Las barras tirantes Dywidag son armaduras con roscado discontinuo y constituyen una variante de tirante para hormigón laminado en caliente. Según el calibre, se ofrecen barras Dywidag del 6# al 28#. Entre los tirantes Dywidag laminados en caliente, las medidas dw 15 y dw 20 son las más habituales.

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Formwork Cold Rolled Tie Rod |
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Material |
Q235, 45# Steel, Special mixture Steel |
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Diámetro |
D12mm/ D15mm/ D20mm |
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Peso |
0.75kg/meter (D12mm) 1.50kg/meter (D15mm) 2.32kg/meter (D20mm) |
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Carga última |
70kn-260kn |
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Tratamiento superficial |
Galvanizado o acabado natural |
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Embalaje |
Paquetes |
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Productos relacionados |
Tuerca tirante, tuerca de mariposa, junta hidráulica, tuerca cónica de trepa, tuerca hexagonal, etc. |
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Varilla de atado para encofrado laminada en caliente |
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Material |
Special mixture Steel |
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Diámetro |
DW15mm |
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Peso |
1.42kg/meter |
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Carga última |
180kn-190kn |
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Tratamiento superficial |
Galvanizado o acabado natural |
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Embalaje |
Paquetes |
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Productos relacionados |
Tuerca tirante, tuerca de mariposa, junta hidráulica, tuerca cónica de trepa, tuerca hexagonal, etc. |
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Tope de agua |
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Foto |
Material |
Diámetro |
Peso |
Acabado |
Carga de rotura |
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Hierro fundido |
D12 |
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Acabado natural o galvanizado |
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Hierro fundido |
D15 |
440g 450g 500g |
Acabado natural o galvanizado |
180KN |
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Hierro fundido |
D20 |
1.0kg 1.2kg |
Acabado natural o galvanizado |
320KN |
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Ductile Iron Casting Formwork Combi Plate Nut/Square Slope Nut |
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Material |
Fundición de hierro dúctil |
Embalaje |
Bolsas o palés |
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Diámetro |
D15mm |
Carga última |
Over 180kn |
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Característica |
Round Plate or Square Plate |
Color |
Gold, Silver or Black |
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Tratamiento superficial |
Galvanizado o acabado natural |
Capacidad |
300tons per month |
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Aplicación |
Formwork Tie Rod System |
Productos relacionados |
Tie Rod, Wing Nut, Climbing Steel Cone Nut, Hex Nut and etc. |
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OEM Design is Acceptable |
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If you need custom sizes of concrete tie rods, you can find them here. We offer steel threaded rods with diameters ranging from 6mm to 32mm. The most common sizes are d15mm, d16mm, and d20mm. These tie rods work with inner threaded tie rod connectors and other accessories, such as concrete tie couplings, tie rod hex nuts, anchor nut, wing nut, water stopper, formwork cones, etc.
There are two types of threaded rods in Trico: discontinuous dywidag bars and continuous tie bars. The dywidag bars are hot rolled, while the continuous rods are cold rolled.
The cold-rolled rods are made from a round steel bar structure with different steel grades, such as Q235, 45#, and 42CrMo. The steel grade affects the strength of the tie rods. For example, for D16(15/17mm) size:
Q235 steel grade D16 tie rod can withstand a maximum load of 95KN.
45# steel grade D16 tie rod can withstand a maximum load of 145KN
42CrMo steel grade D16 tie rod can withstand a maximum load of 188KN.

Las varillas laminadas en frío son más económicas y rentables que las barras Dywidag laminadas en caliente. Son adecuadas para construcciones civiles y comerciales habituales. Las barras Dywidag están diseñadas para cargas mayores y más pesadas.
These products are widely used for various concrete formwork and shuttering systems, such as wall, column, slab, beam, etc.
If you are interested in our formwork tie rods and related accessories, please contact us. We can also provide OEM service according to your requirements.
Disponemos de una gama completa de anclajes de izaje. Contáctenos para obtener la información técnica más reciente.
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Varilla de atado 12-16mm |
Varilla de anclaje 15-20mm |
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Wing Nut with Swivel Plate 15-20mm |
Water Barrier Connector 15mm |



























The wall tie rod (thread rod) is used to connect the internal and external formwork of the wall to withstand the lateral pressure of the concrete and other loads to ensure that the distance between the internal and external formwork can meet the requirements of architectural design.


Método de embalaje
Cartón, bolsas, cajas o palés; personalizable, cómodo y adaptado a las necesidades del cliente.



Chontan Industry es un fabricante y proveedor líder en China de diversos accesorios para la industria del hormigón, incluyendo separadores plásticos para varilla, tapas plásticas para varilla, calzas y separadores plásticos, chaflanes y matavivas, anclajes metálicos de elevación, casquillos y otros accesorios de construcción relacionados.
Desde la fundación de la empresa hemos implantado un sistema de control de calidad completo. Seguimos estrictamente la metodología 6S, basándonos en el estándar ISO 9001. Hemos creado un sistema integral para controlar la calidad desde el desarrollo de la muestra hasta el pedido finalizado.
Chontan desea colaborar con amigos de todo el mundo y establecer una relación ganar-ganar. Te invitamos a visitar nuestra fábrica y esperamos poder cooperar de forma satisfactoria.


Formwork tie rod is a key accessory for poured wall projects. Chontan offer various kinds of concrete tie rods, such as Hot Rolled discontinuous thread tie rod (with 180kn breaking load) and Cold Rolled continuous tie rods (with 140kn breaking load).
The concrete tie rods can work with many formwork accessories in concrete construction. Both hot rolled and cold rolled tie rods can be used with formwork wing nuts, concrete anchor nuts, hex nuts, connection nuts, washer plates, formwork wedge clamps, formwork spring clamps, water stopper/water barrier nut, combi plate nut, plastic cones, plastic tubes, etc.
Tie Nut: We have different types of tie nuts, such as single wing nut, butterfly wing nut, two anchor wing nut, three anchor wing nut, and combination wing nut. They can be easily tightened and loosened by hand without tools because of their winged structure.
They are made by casting or forging processes and have common thread sizes of 17mm/20mm.
Tie Rod: The Tie Rod is usually made of Q235 carbon steel or 45# steel, and has a surface finish of galvanized, zinc-plated, or natural color. It has a working load ranging from 80kn to 140kn. We also provide Hot Rolled Tie Bar, which has a breaking load of 180kn.
Washer Plate: The standard sizes we offer are 120x120x10mm, 120x120x8mm, 120x110x10mm, 100x100x10mm, and we can also customize other sizes according to your needs.
All these items are widely used for concrete formwork & shuttering systems, such as wall formwork, column formwork, slab formwork, beam formwork, etc. If you are interested in formwork tie rods and related formwork accessories, please contact us. We can also do OEM service as per your requirement.


Concrete Formwork Tie System (Fasteners)
Concrete Formwork Accessories Tie Rod System