What are the payment terms?

Accepted payment terms include LC, T/T, D/P, PayPal, and Western Union.

Can the product be customized?

Yes, customization is available for shape (Round or Flat), inner diameter, outer diameter, and thickness. The supplier also supports OEM orders.

What is the warranty or quality guarantee?

The supplier is ISO 9001 and SGS certified, ensuring consistent quality standards. Specific warranty terms are not detailed in the description, but quality is guaranteed by certifications.

HDPE Plastic Corrugated Round Duct for Pre-Stressing of Concrete

Name: HDPE Plastic Corrugated Round Duct for Pre-Stressing of Concrete
Brand: Tianjin Qiangbang Industrial Co., Ltd.
SKU: 2025769732

Tianjin, ChinaTianjin Qiangbang Industrial Co., Ltd.

US$1.00

1 Meter

Sample price:US$10.00/meter.Request sample

Product profile

Customization

Available

Application

Concrete Pipe, PC Strand, PC Wire, Construction

Certification

ISO

Model NO.

50-160mm

Surface Treatment

Hot Dipped/Galvanized, No

Technics

Forged

Material

Plastic

Type

Fasteners

Available Shape

Round or Flat

Technique

Cold Rolled

Inner Diameter

40mm ~ 150mm

Outer Diameter

30mm-120mm

Thickness

0.25 - 0.4 mm

Packaging Details

Pack, Bundle for Corrugated Pipe

Transport Package

Export Packing

Specification

Pre-streessed Metal Corrugated Pipe

Trademark

Qiangbang

Origin

Tianjin, China

Production Capacity

20000 Set/Sets Per Week

Key features

HDPE Material Durability: High-density polyethylene ensures strong corrosion resistance and long-term durability.

Compliant with Standards: Meets JTT 529-2016 national standards for structural safety and performance.

Versatile Shape Options: Available in round (50-160mm) and flat (50x22-90x22mm) designs for flexible use.

Wide Strand Compatibility: Supports 2-55 strands with diameters like 12.5mm, 15.24mm, and 15.7mm.

Infrastructure Application: Ideal for bridges, highways, railways, and large-scale building pre-stressed projects.

Customizable Dimensions: Inner diameter 40-150mm, outer diameter 30-120mm, thickness 0.25-0.4mm.

High Production Capacity: Manufacturer produces 20,000 sets per week ensuring timely delivery.

Global Export Experience: Over 15 years exporting to 50+ countries with OEM support and ISO certification.

Company profile

Tianjin Qiangbang Industrial Co., Ltd.

Tianjin, China

Business Type: Manufacturer/FactoryExport Year: 2000-11-28Average Response Time: ≤5.36hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, FCA, EXW

About Our Factory & Business Background

AddressXizhaizhuang Economic Development zone, Jinhai, Tianjin, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsPre-Stressed Steel Strand, Post-Tensioned Steel Cable, Pre-Stressed Steel Wire, PC Steel Wire, Pre-Stressed Anchorage Anchor and Wedge, Post-Tensioning Accessories, Spring Steel Flat Bar, Spring Steel, Flat Steel Bar

Our Industry Experience & Global Business Record

Main MarketsSouth America, Southeast Asia, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What materials are used for the corrugated duct?

The ducts are primarily made of HDPE plastic or steel (galvanized or black steel). The plastic ducts are made of HDPE, while metal ducts include galvanized and non-galvanized black steel.

Q:What are the available shapes and sizes?

Available shapes are round and flat. Round ducts have diameters from 50mm to 160mm. Flat ducts range from 50x22mm to 90x22mm. Custom inner diameters from 40mm to 150mm are also available.

Q:Which strand diameters are compatible?

The ducts are suitable for strands with diameters of 12.5mm, 12.7mm, 12.9mm, 15.24mm, and 15.7mm.

Q:What standards does the product comply with?

The plastic ducts comply with the Plastic Duct JTT 529-2016 standard. Steel ducts comply with Steel Duct JG 225-2007. The supplier is also ISO certified.

Q:What is the lead time for production?

The average lead time is within 15 workdays during the off-season and one month during the peak season.