Can I get a free sample?

Yes, a small size sample is provided for free, but the client must bear the delivery fee.

What is the minimum order quantity?

The minimum order quantity is 1 Ton.

Prime Quality Q235 Q345 Q355 Hollow Section Square/Rectangular Steel Tubes

Name: Prime Quality Q235 Q345 Q355 Hollow Section Square/Rectangular Steel Tubes
Brand: Shandong Desheng Supply Chain Management Co., Ltd.
SKU: 2171752515

Shandong, ChinaShandong Desheng Supply Chain Management Co., Ltd.

US$600.00

10-19 Tons

US$590.00

20-29 Tons

US$530.00

30+ Tons

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24 Hours 7 Days

Warranty

10 Years

Model NO.

Rectangular Pipe

Type

Welded

Technique

Cold Rolled

Material

Carbon Steel

Surface Treatment

Galvanized

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Square

Loading Port

Qingdao, Yantai, Shanghai, etc

Width

50mm or as Required

Standard

ASTM/AISI/GB/JIS/DIN/En

MOQ

5 Ton

Pipe Shape

Square

Surface

Galvanized

Steel Shape

Square/Rectangular

Pipe Usage

Mechanical & Manufacture, Steel Structure

Packing

Bundle

Price Term

CIF CFR Fob EXW

Zinc Coating

Z30-Z40 or as Your Requirement

Payment

508mm30%T/T Advance + 70% Balance

Weight

10 Tons, as Required

Delivery Time

15-20 Days

Processing

Galvanized

Transport Package

Standard Sea Freight

Specification

50*50mm

Trademark

Desheng

Origin

China

HS Code

72107010

Production Capacity

2000 Tons Per Month

Key features

10-Year Warranty: Comprehensive 10-year warranty coverage for peace of mind.

30-Year Rust Protection: Hot-dip galvanizing provides rust-free protection for up to 30 years.

Wide Material Selection: Available in Q235, Q345, Q355, and various ASTM/DIN/GB standards.

Custom Dimensions: Width and length can be customized to specific project requirements.

Fast Delivery: Production and delivery arranged within 15-20 days after deposit.

Free Sample Available: Small size samples provided free of charge (buyer pays shipping).

ISO Certified Quality: ISO 9001:2015 certified professional supplier with strict quality control.

Versatile Applications: Suitable for construction, oil/gas transport, scaffolding, and machinery.

Company profile

Shandong Desheng Supply Chain Management Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤6.17h

AI-Powered supplier vetting

SummaryThe supplier operates in mechanical and electrical equipment, electronic components, photovoltaic equipment, charging stations, distribution switchgear, batteries, battery parts, and recycling. It demonstrates broad customization, OEM and ODM capabilities, but has only one R&D engineer and launched no new products in the past year. ISO9001:2015 certification is reported. Service controls include written procedures, records, approved-supplier management, and corrective/preventive actions, while complaint handling is documented. However, the supplier reports no inventory, overseas warehouse, showroom, agent, or branch service capability; quality assurance and traceability statuses are unknown, and quality-control testing equipment is reported as zero. Financial records are referenced for 2021–2023, but the provided data does not establish financial strength. Peak-season fulfillment is within 15 workdays, and export sales account for 71%–90% of total sales. Customer evidence includes OEM service for known...

Supplier typeThe supplier is a diversified mechanical, electrical, electronic, photovoltaic, charging-station, switchgear, battery, battery-parts, and recycling business. It also provides OEM and ODM services and supports multiple forms of product customization, indicating a manufacturer/service-oriented supplier rather than a narrowly focused trading profile.

CertificationsISO9001:2015 certification is explicitly reported in both the sustainable-development and management-system records. This supports an advantage in formal quality-management certification, although the actual status of several quality-control practices remains unknown.

After-Sales capabilityThe supplier has documented complaint-handling procedures and records, supplier-service assessment procedures, an approved supplier list, and corrective/preventive-action procedures. However, it reports no inventory, overseas warehouse, overseas showroom, overseas agent, or branch capability, so its overseas after-sales infrastructure is limited.

R&D capabilityThe supplier has one R&D engineer and offers ODM and design-related services, but it launched no new products in the past year and has no available SDK. The combination supports customization-oriented development but provides explicit evidence of weak recent product innovation.

Production capacityThe supplier covers a broad range of equipment and battery-related products, claims well-equipped facilities and quality control throughout production stages, and reports peak-season order fulfillment within 15 workdays. However, it explicitly has no in-stock capacity, so inventory-based production readiness is limited.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also offers ODM services, directly supporting a strong customization capability.

Client casesThe supplier reports OEM service for known brands, customers in over 40 countries, and export sales of 71%–90% of total sales. However, it reports no cooperation with Fortune 500 companies, and no specific customer names or verifiable case details are provided.