Is surface treatment included?

Yes, we provide anti-rust oiled surface or black surface treatment.

What is the tolerance for dimensions?

Wall thickness and OD tolerance are controlled within +/- 0.25mm.

Do you provide warranty?

Yes, we provide warranty and after-sales service for our products.

Heavy-Duty Rectangular Welded Steel Pipe 200X400mm for Industrial Use

Name: Heavy-Duty Rectangular Welded Steel Pipe 200X400mm for Industrial Use
Brand: Qingdao Wanrunda Imp and Exp Co., Ltd.
SKU: 697836422

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

US$630.00

20-39 Tons

US$620.00

40+ Tons

Product profile

Customization

Available

After-sales Service

Provided

Warranty

Provided

Model NO.

200x400x12mm x12meter

Type

Welded

Technique

ERW

Material

Alloy Steel

Surface Treatment

Black

Usage

Construction & Decoration

Section Shape

Rectangular

Size

200X400mm

Thickness

12mm

Length

12meters

Steel Grade

Q235/Q345/16mn/St52/A500/A36/Ss400

Yield Strength

345MPa - 355MPa

Transport Package

Bulk Packing, Anti-Rust Oil Covered

Specification

200x400x12mm x12meters

Trademark

Wanrunda

Origin

Tianjin

HS Code

7306610000

Production Capacity

200000mt Per Year

Key features

Customizable Steel Grades: Available in Q235, Q345, 16Mn, St52, A500, A36, Ss400, and other grades.

Fixed Length Options: Standard 12 meters or fixed length customization upon request.

Wide Application Range: Suitable for construction, steel structures, road signs, and hydraulic pipes.

Strict Tolerance Control: Wall thickness and OD tolerance maintained within +/- 0.25mm.

Anti-Rust Surface Treatment: Oiled or black surface treatment for enhanced corrosion resistance.

Fast Delivery Time: Delivery within 15-20 days after receiving the deposit.

Flexible Payment Terms: Accepts T/T or L/C at sight for secure transactions.

Comprehensive After-Sales: Provided warranty and professional after-sales service support.

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.