What surface treatments are offered?

Options include light oiling, hot dip galvanized, electro galvanized, and black finishes, depending on the specific grade and standard.

How is the product quality controlled?

We perform 100% inspection on finished products, including visual and function inspections, with traceability of raw materials.

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, small-amount payments, and Western Union.

Datang Premium Steel Square Pipes Tube for Hollow Sections

Name: Datang Premium Steel Square Pipes Tube for Hollow Sections
Brand: Cangzhou Datang Steel Pipe Co., Ltd.
SKU: 789791852

Hebei, ChinaCangzhou Datang Steel Pipe Co., Ltd.

US$650.00-800.00

1 Ton

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Square

Standard

AISI, ASTM, DIN, JIS, GB, BS

Model NO.

Outer Diameter: 20X20-600X600

Composition

C Si Mn S P

Technique

Welded

Shape

Square and Rectangular

Surface Treatment

Oiled

Special Use

Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

Application

Construction

Inspection

SGS BV

Specifications

ASTM A513 (1020-1026) ASTM A500 Grade B

Welding

Excellent

Machining / Grinding

Good

Bending / Forming

Fair

Available Stock Sizes

2FT, 4FT. 6FT, 8FT, 12FT, 24FT, or Cut to Size Sto

Finish

A513 - Dark Blue/Black, Smooth Slight Oil Coating

Transport Package

Bundle

Specification

OD: 20X20-600X600 THK: 1mm-40mm

Trademark

datang

Origin

China

HS Code

73066100

Production Capacity

6600000ton/Year

Key features

Custom Cut to Size: Order any quantity in custom cut sizes from available stock lengths.

Wide Size Range: Outer diameter 20x20mm to 600x600mm with wall thickness 1mm-40mm.

Multiple Standards: Compliant with ASTM A513, A500, A53, A106, DIN, JIS, and BS standards.

High Strength Structure: Box-shape configuration offers greater strength and rigidity than angles.

Easy Fabrication: Easy to weld, cut, form, and machine with proper equipment.

Versatile Application: Ideal for construction, industrial maintenance, and transportation frames.

100% Inspection: Finished products undergo visual and function inspection before shipment.

Flexible Customization: Supports OEM, ODM, and customization from samples or designs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceR&D CapabilitiesManagement Certification

Cangzhou Datang Steel Pipe Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.05h

AI-Powered supplier vetting

SummaryThe supplier provides 3D software design, OEM, ODM, and broad customization services, supported by 10 production lines and specialized fin-tube and machining equipment. It holds an ISO9001:2015 management-system certificate, has 18 years of export experience, and reports that 71%–90% of sales come from exports. However, its R&D scale is limited to one engineer, no new products were launched in the past year, and no SDK is available. Quality-control test equipment is reported as zero, and continuous quantity reconciliation is not performed for every batch. Overseas service infrastructure is limited: no overseas warehouse, showroom, agent, or branch is reported. Service procedures exist for corrective actions and customer complaints, but written records are absent.

Supplier typeThe supplier is a manufacturing-oriented exporter offering OEM and ODM services, with 10 production lines, self-operated import/export rights, 18 years of export experience, and 71%–90% export sales. Its listed equipment includes fin-tube machinery, cutting, turning, beveling, bending, cleaning, and painting facilities.

CertificationsThe supplier reports holding an ISO9001:2015 management-system certificate. This is explicit certification evidence, although no additional certifications are provided.

R&D capabilityThe supplier offers 3D software design, ODM, and product-improvement support, and maintains design input, output, review, verification, and validation documentation. However, it has only one R&D engineer, launched no new products in the past year, and has no available SDK, indicating limited demonstrated innovation output.

Customization capabilityThe supplier explicitly supports customization from samples and designs, full, minor, and flexible customization, as well as 3D software design, OEM, and ODM services. These statements provide direct evidence of broad customization capability.