
La tige d'écartement laminée à chaud pour coffrage est également appelée tige tirante en béton ou barre filetée Dywidag. Les tiges Dywidag sont des armatures à filetage discontinu et constituent une variante de tige tirante en béton laminée à chaud. Selon les tailles, des barres Dywidag du 6# au 28# sont disponibles. Parmi les tiges Dywidag laminées à chaud, les dimensions dw 15 et dw 20 sont les plus courantes.

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Formwork Cold Rolled Tie Rod |
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Matériau |
Q235, 45# Steel, Special mixture Steel |
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Diamètre |
D12mm/ D15mm/ D20mm |
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Poids |
0.75kg/meter (D12mm) 1.50kg/meter (D15mm) 2.32kg/meter (D20mm) |
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Charge ultime |
70kn-260kn |
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Traitement de surface |
Galvanisé ou brut |
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Emballage |
Lots |
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Produits connexes |
Écrou tirant, écrou à oreilles, joint d'étanchéité, écrou conique de grimpage, écrou hexagonal, etc. |
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Tige de coffrage laminée à chaud |
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Matériau |
Special mixture Steel |
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Diamètre |
DW15mm |
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Poids |
1.42kg/meter |
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Charge ultime |
180kn-190kn |
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Traitement de surface |
Galvanisé ou brut |
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Emballage |
Lots |
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Produits connexes |
Écrou tirant, écrou à oreilles, joint d'étanchéité, écrou conique de grimpage, écrou hexagonal, etc. |
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Arrêt d'eau |
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Photo |
Matériau |
Diamètre |
Poids |
Finition |
Charge de rupture |
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Fonte |
D12 |
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Acier brut ou galvanisé |
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Fonte |
D15 |
440g 450g 500g |
Acier brut ou galvanisé |
180KN |
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Fonte |
D20 |
1.0kg 1.2kg |
Acier brut ou galvanisé |
320KN |
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Ductile Iron Casting Formwork Combi Plate Nut/Square Slope Nut |
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Matériau |
Fonte ductile |
Emballage |
Sachets ou palettes |
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Diamètre |
D15mm |
Charge ultime |
Over 180kn |
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Caractéristique |
Round Plate or Square Plate |
Couleur |
Gold, Silver or Black |
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Traitement de surface |
Galvanisé ou brut |
Capacité |
300tons per month |
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Application |
Formwork Tie Rod System |
Produits connexes |
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.

Les tiges laminées à froid sont moins chères et plus économiques que les barres dywidag laminées à chaud. Elles conviennent aux constructions civiles et commerciales courantes. Les barres dywidag sont conçues pour des charges plus lourdes et plus importantes.
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.
Nous proposons une gamme complète d'ancrages de levage. Contactez-nous pour obtenir les dernières informations techniques.
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Tige 12-16mm |
Tige d'ancrage 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.


Méthode d'emballage
Carton, sachets, caisses, palettes. Personnalisables, pratiques et adaptés aux besoins du client.



Chontan Industry est un fabricant et fournisseur leader en Chine de divers accessoires pour l'industrie du béton, notamment des cales plastiques pour armatures, capuchons plastiques pour armatures, cales et séparateurs plastiques, chanfreins et matavivas, ancrages métalliques de levage, douilles et autres accessoires de construction connexes.
Depuis la fondation de l'entreprise, nous avons mis en place un système complet de contrôle qualité. Nous suivons strictement la méthodologie 6S, en référence à la norme ISO 9001. Nous avons créé un système intégral pour contrôler la qualité depuis le développement de l'échantillon jusqu'à la commande finalisée.
Chontan souhaite collaborer avec des amis du monde entier et établir une relation gagnant-gagnant. Nous vous invitons à visiter notre usine et espérons pouvoir coopérer dans la satisfaction.


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