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Durable Galvanized Round Hole Tubes with Customizable Lengths
US$1.00-11.90
1,000 Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableType
WeldedTechnique
ERWModel NO.
perforated tubeMaterial
Carbon SteelSurface Treatment
Plain/Pre-Galvanized/HDG/Powder CoatingUsage
Special Purpose, Unistrut System, Traffic Contral ,Safety ProductsSection Shape
SquareCross 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 CustomizedHoles
Dia. 7/16" , Holes Center Distance 1"Surface
Plain / Pre-Galvanized / HDG/Powder Coating etcPowder Coating Color
CustomizedMaterial Grade
Plain: ASTM A1011 Gr33 ; Pg- ASTM a 653 Gr33Yield Strength
60,000 Psi MinimumTransport Package
Standard Exporting PackageSpecification
1 5/8" x 1 5/8", 1 7/8" x 1 7/8", 2''x2''Trademark
WRDOrigin
ChinaHS Code
73066100Production Capacity
50000PCS Per MonthKey features
Customizable Dimensions: Available in various cross sections, wall thicknesses, and lengths including customized options.
Durable Material: Made from low-carbon steel with ASTM A1011 and ASTM A653 standards for high strength.
Superior Stability: Square shape provides exceptional torsional stability and superior loading capacity.
Versatile Surface Treatment: Options include Plain, Pre-Galvanized, HDG, and Powder Coating with customized colors.
Easy Installation: Designed for easy assembly with square-post anchors, safe for hand or power installation.
OEM Service Available: Offers design services, buyer labels, and customized manufacturing solutions.
Multi-Side Mounting: Full length allows signs to be mounted back-to-back on all four sides at any height.
Wind Resistance: Superior resistance to wind and other external forces ensures long-term durability.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-09-18Nearest Port: Qingdao Port, Tianjin port, Shanghai PortAverage Response Time: ≤11.63hTerms 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.
Product Q&A
Q:What are the available material standards?
A:
The tubes are made from low-carbon steel meeting ASTM A1011 SS GR 33 for plain steel and ASTM A653 GR 33 for pre-galvanized steel.
Q:Can the length and color be customized?
A:
Yes, lengths are available in 3', 4', 8', 10', 12' or customized. Powder coating colors are also customizable.
Q:What surface treatments are offered?
A:
We offer Plain (PL), Pre-Galvanized (PG), Hot-Dip Galvanized (HDG), and Powder Coating (GR) finishes.
Q:Is OEM service available for this product?
A:
Yes, we provide OEM services including design services, buyer labels, and customized manufacturing.
Q:What are the advantages of the square shape?
A:
The square shape provides exceptional torsional stability, superior loading capacity, and allows for back-to-back mounting on all four sides.
Send Inquiry
*To:
Qingdao Wanrunda Imp and Exp Co., Ltd.
Qingdao Wanrunda Imp and Exp Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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