What is the material standard for these tubes?

Plain steel uses ASTM A1011 SS GR 33, and pre-galvanized steel uses ASTM A653 GR 33, with a minimum yield strength of 60,000 Psi.

How long is the lead time for orders?

During peak season, the lead time is one month. During the off-season, it is within 15 workdays.

High-Quality Pre Galvanized Perforated Tubes for Construction Use

Name: High-Quality Pre Galvanized Perforated Tubes for Construction Use
Brand: Qingdao Wanrunda Imp and Exp Co., Ltd.
SKU: 830622665

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.

perforated 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", 2''x2''

Trademark

WRD

Origin

China

HS Code

73066100

Production Capacity

50000PCS Per Month

Key features

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

Versatile Surface Treatment: Options include Plain, Pre-Galvanized, HDG, and Powder Coating with customizable colors.

High Torsional Stability: Square shape design provides exceptional stability and superior loading capacity.

OEM & Design Service: Full OEM service, design support, and buyer labeling options are available.

Easy Installation: Easy to assemble with square-post anchors, installable by hand or power tools.

Durable Material Grade: Made from ASTM A1011 SS GR 33 or ASTM A653 GR 33 with min 60,000 Psi yield strength.

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.