What is the warranty policy?

We provide after-sales service and warranty coverage for our products.

What is the minimum yield strength of the steel?

The steel has a minimum yield strength of 60,000 Psi.

Heavy-Duty Galvanized Telescoping Pipe with 1" Hole Spacing

Name: Heavy-Duty Galvanized Telescoping Pipe with 1" Hole Spacing
Brand: Qingdao Wanrunda Imp and Exp Co., Ltd.
SKU: 1963640802

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

After-sales Service

Provide

Warranty

Provide

Type

Welded

Technique

ERW

Material

Carbon Steel

Usage

Special Purpose

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" ect

Trademark

WRD

Origin

China

HS Code

73089000

Production Capacity

50000PCS Per Month

Key features

Customizable Dimensions: Available in multiple cross-sections, wall thicknesses, and lengths including customized options.

Versatile Surface Finishes: Options include Plain, Pre-Galvanized, Hot-Dipped Galvanized, and Customized Powder Coating.

High Torsional Stability: Square shape design provides superior loading capacity and resistance to wind and other forces.

OEM and Design Services: Full OEM support including design services, buyer labels, and customized manufacturing.

Easy Installation: Simple assembly with square-post anchors, installable by hand or power tools safely.

Multi-Side Mounting: Full length allows signs to be mounted back-to-back on all four sides at any height.

Premium Material Quality: Made from ASTM A1011 SS GR 33 or ASTM A653 GR 33 low-carbon steel with high yield strength.

Competitive Pricing: Offers better pricing and quality service for bulk orders and international markets.

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: ≤15hTerms 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.