20*70 Prestressing Metal Corrugated Duct Galvanized Steel Corrugated Ducts for Post Tension Concrete

• Customization: Available
• After-sales Service: Yes
• Warranty: Yes
• Model NO.: 40mm-130mm
• Certification: DIN, JIS, GB, BS, ASTM, AISI
• Function: Sound Insulation, Drainage, Protect, Support
• Position: Lower Structure
• Type: Main Beam
• Thickness: 0.3mm
• Length: 5.8m/PCS(Customisable)
• Dia: 40-130mm
• Surface Treatment: Galvanized
• Product to Be Used for: PC Strand Grouting Work
• Transport Package: Stardard Export Package
• Specification: 70x20mm, 90x20mm
• Trademark: JNFLEX
• Origin: Changzhou; Jiangsu; China
• HS Code: 72119000
• Production Capacity: 15000m/ Per Year
• Package Size: 580.00cm * 200.00cm * 150.00cm
• Package Gross Weight: 10.000kg

Product Description

Discover the ultimate in durability and functionality with our Galvanized Corrugated Pipe Post Tension Duct Metal Bellows, specifically designed for robust construction and bridge spiral pipe applications.
Premium Bridge Galvanized Metal Corrugated Pipe Post Tension Duct for Construction, available in 45mm for superior engineering solutions.

Product Description

Comprehensive Specifications:

Category:	Round and flat
Dimension:	40-130mm
Application:	It's mainly used as the prestressed concrete structure, such as the large span railway and highway, bridge, crane girders, rock-soil anchoring engineering, multi-floor industrial plant, coal, sports venues, etc.
Packing:	With 5.8 meter loaded in 20ft Container or 11.8 meter per piece loaded in 40GP or 40HQ Container.
Deliery time:	Nomally within 20days after receiving the deposit or the copy of L/C at sight.
Length	Available upon request

corrugated round pipe	ID(mm)	45	50	55	60	70	80	85	95	105	115	120	130
	OD(mm)	50	55	60	65	75	85	90	100	100	120	125	135

Basic Product Information:

Diameter	40mm-130mm	Thickness	0.3mm
Trademark	JNFLEX	Length	5.8m/PCS(Customisable)
Origin	changzhou, China	Transport Package	Stardard Export Package
Surface Treatment	black and galvanized	Product to Be Used for	PC Strand Grouting Work
HS Code	72119000	Production Capacity	3000 Meters/ Per Day
Application	Construction Agriculture  Infrastructure Industrial Usage	Exporting Package:	With 5.8 meter loaded in 20ft Container

Round Corrugated Metal Duct (0.3mm thick)
 

Our Corrugated Duct serves as a premier duct former for a multitude of precast and cast-in-situ concrete endeavors. This semi-rigid, hot-dipped galvanized metal duct exudes strength and durability, seamlessly integrating into concrete and securing adjacent to reinforcing steel. Available in diameters from 40mm to 130mm, with customizable lengths and diameters to meet specific project needs. Ideal for post-tensioning ducts and precast connections, it exemplifies versatility and reliability.

Unveiling the Key Benefits and Features of Corrugated Ducts:

1. Extensive diameter range available (ID 40mm to ID 130mm).

2. Manufacture quantities tailored to site requirements.

3. Effortless benchmarking, ensuring streamlined production schedules.

4. Customer-centric design - easily bendable and cut to specific requirements.

5. Simplified site placement: Robust and resilient.

6. Superior corrosion resistance with hot-dip zinc coating.
 

Detailed Photos

 

Application

 

Company Profile

JNFLEX (CHANGZHOU) CO., LTD Nestled in Changzhou City, Jiangsu Province, China, JNFLEX was established in 1995, specializing in delivering flexible connection and protection solutions across various industries, including construction, automotive, high-speed rail, and steel metallurgy. We proudly hold ISO 9001 and IATF 16949 certifications, alongside European Conformity (CE) certification, ensuring unparalleled product quality.

Our state-of-the-art 20,000-square-meter facility, featuring 18,000 square meters of advanced factory space, employs over 120 dedicated professionals.We foster enduring partnerships with Fortune 500 companies and proudly export to Europe, Southeast Asia, Australia, South America, Africa, and beyond.
Customer satisfaction is our top priority, and we warmly invite visitors for collaborative business discussions and partnership opportunities.

Insightful Customer Feedback

Prestigious Certifications

 

Strategic Partnerships

 

Certifications

FAQ

Q1: Can you supply stocks? Can you deal small orders?
A1: Yes, we can.Small orders can also be accepted.

Q2: Do you provide samples ? is it free or extra ?
A2: Yes, we can offer samples free of charge. But the express cost should be on buyer's account.

Q3: Do you make the duct in-house?
A3: Yes, we have our own factory so the ducts are produced by our own workers.

Q4: Weight of duct per meter?
A4: The weight of duct per meter is 0.57kg.

Q5: Which port do you send from?
A5: Normally we ship from Shanghai harbour.