What are the available cross-section sizes?

Cross sections range from 1 1/2 inches to 2 1/2 inches in various increments.

What is the hole specification for the perforated tube?

The tube features 7/16 inch diameter holes with a 1 inch center distance on all four sides.

Powder Coating Telescoping Tube

Name: Plain/Pre-Galvanized/HDG/Powder Coating Telescoping Tube
Brand: Qingdao Wanrunda Imp and Exp Co., Ltd.
SKU: 829895995

Shandong, ChinaQingdao Wanrunda Imp and Exp Co., Ltd.

US$7.20-11.90

1,000 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

Welded

Technique

ERW

Model NO.

telescoping tube

Material

Carbon Steel

Surface Treatment

Plain/Pre-Galvanized/HDG/Powder Coating

Usage

Special Purpose, Unistrut System, Traffic Contral ,Safety Products

Section Shape

Square

Cross Section

1 1/2" ; 1 3/4" ; 2" ; 2 1/4" ; 2 1/2"

Wall Thickness

12ga (2.7mm) ; 14ga (1.9mm)

Length

3';4';8';10';12' or Customized

Holes

Dia. 7/16" , Holes Center Distance 1"

Surface

Plain / Pre-Galvanized / HDG/Powder Coating etc

Powder Coating Color

Customized

Material Grade

Plain: ASTM A1011 Gr33 ; Pg- ASTM a 653 Gr33

Yield Strength

60,000 Psi Minimum

Transport Package

Standard Exporting Package

Specification

1 5/8" x 1 5/8", 1 7/8" x 1 7/8"

Trademark

WRD

Origin

China

HS Code

73066100

Production Capacity

50000PCS Per Month

Key features

Customized Powder Coating Color: Available in customized colors to meet specific design requirements.

Customized Length Options: Standard lengths 3, 4, 8, 10, 12 feet or fully customized to fit needs.

Superior Torsional Stability: Square shape design provides exceptional stability against wind and forces.

OEM and Design Services: Full OEM service, design customization, and buyer label options available.

Multi-Surface Treatment: Options include Plain, Pre-Galvanized, HDG, and Powder Coating finishes.

High Yield Strength: Minimum yield strength of 60,000 Psi ensures durability and strength.

Perforated Design: Features 7/16 inch diameter holes with 1 inch center distance on all sides.

Versatile Cross Sections: Available in 1 1/2, 1 3/4, 2, 2 1/4, and 2 1/2 inch cross sections.

Company profile

Qingdao Wanrunda Imp and Exp Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-09-18Nearest Port: Qingdao Port, Tianjin port, Shanghai PortAverage Response Time: ≤11.75hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryQingdao Wanrunda Imp and Exp Co., Ltd. is identified as both a trading company and manufacturer/factory based in Shandong, China. It reports five production lines and listed annual capacities totaling 1,600 tons across steel products, including steel fences, trellises, plates, coils, pipes, and sections. The supplier states that 90% of sales are exports, has held exporting activity since 2008, and possesses self-operated import and export rights. ISO 9000 and ISO 9001 management-system certifications are reported. Its capabilities include punching, bending, welding, galvanizing, electrostatic spraying, powder coating, painting, and oiling, with manufacturing to ASTM, JIS, DIN, and API standards. Evidence is insufficient to assess after-sales service execution, financial credibility, innovation strength, and customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. It is a China-based limited company in Shandong and reports self-operated import and export rights, with exporting activity beginning in 2008.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 supplier management-system certifications. These stated certifications provide explicit evidence of formal quality-management credentials.

Production capacityThe supplier reports five production lines and stated annual capacities of 200 tons for steel fence and guardrail, 300 tons for angle-steel and grape trellis, 100 tons for self-nail steel plates and hanger straps, and 500 tons each for steel angles/flat/coil/plate/stainless steel and steel pipe/hollow section/alloy steel. These figures explicitly demonstrate multi-product manufacturing capacity.

Customization capabilityThe supplier states that it has its own processing equipment and can perform punching, bending, welding, galvanizing, electrostatic spraying, powder coating, painting, and oiling. It also states that products can be manufactured according to ASTM, JIS, DIN, and API standards, supporting customized processing and specification compliance.