Is OEM service available?

Yes, OEM and ODM services are available for custom production requirements.

What standards does the product meet?

The product complies with BS1387, GB/T13793-2001, and ASTM A53-2007 standards.

What is the minimum order quantity?

The minimum order quantity is 10 metric tons.

40X40 Black Square Tube Hollow Section for Construction

Name: 40X40 Black Square Tube Hollow Section for Construction
Brand: TIANJIN NANXIANG STEEL STRIP PROCESSING CO., LTD.
SKU: 2082170572

Tianjin, ChinaTIANJIN NANXIANG STEEL STRIP PROCESSING CO., LTD.

US$610.00

10-99 Tons

US$580.00

100-499 Tons

US$550.00

500+ Tons

Product profile

Customization

Available

Type

Welded

Technique

Hot Rolled

Model NO.

SQUARE TUBE

Material

Carbon Steel

Surface Treatment

Black

Usage

Machinery Industry, Construction & Decoration

Section Shape

Square

O.D

15*15-400*400mm

Wall Thickness

0.5-20mm

Thickness Tolerance

+-0.03mm

Od Tolerence

+-0.5mm

Length

5.8-12m

MOQ

10mt

Transport Package

Packed by Steel Strips

Specification

ISO9001

Trademark

Zhen Xiang

Origin

Tianjin, China

Production Capacity

60000t/Per Month

Key features

Comprehensive Customization: Full customization available from designs and samples for dimensions and specifications.

Wide Dimension Range: Outer diameter from 15x15mm to 400x400mm with wall thickness 0.5-20mm.

Multiple Material Options: Available in Q195, Q235, SS330, S185, SS400, and S235JR carbon steels.

Strict Tolerance Control: Thickness tolerance of +/-0.03mm and OD tolerance of +/-0.5mm.

Fast Delivery Time: Production completed within 15-40 days after receiving deposit or L/C.

Flexible Packaging: Options include bulk, steel strips, plastic bags, or custom customer requirements.

OEM and ODM Services: Full OEM and ODM services available for tailored production needs.

Standard Compliance: Meets BS1387, GB/T13793-2001, and ASTM A53-2007 international standards.

Company profile

Exhibition ExperienceExperienced TeamIn-stock CapacityQuality Assurance

TIANJIN NANXIANG STEEL STRIP PROCESSING CO., LTD.

Tianjin, 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: 12 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤1.30h

AI-Powered supplier vetting

SummaryThe supplier appears to be a steel-oriented manufacturer with a steel production line, stated annual output of approximately one million tons across various products, and reported production of flat bar and angle bar. It offers full customization, customization from designs and samples, ODM services, and OEM services for well-known brands. Quality and service systems show some documented procedures, including corrective and preventive actions, complaint handling, and uniformly followed finished-product inspection instructions. R&D resources include 10 engineers, 20 quality-control test devices, CAD capability, and auditable design documentation; however, no new products were reported during the past year and no SDK is available. Financial records are identified for 2021–2023, but the provided information does not establish financial strength. The supplier claims broad domestic and overseas sales and experience serving construction, government, hospital, shipbuilding, steel construction, agricultural...

Supplier typeThe supplier is presented primarily as a steel manufacturer, with a named steel production line, flat bar and angle bar output, and applications in construction, shipbuilding, steel construction and related sectors. Its registered business scope also includes broad trading and sales activities covering rubber, furniture, office equipment, chemicals, cables, plastics, hardware, electronics and other goods, indicating a mixed manufacturing and commercial profile.

After-Sales capabilityThe supplier has a clear corrective and preventive action procedure with follow-up records and a clear customer-complaint handling procedure with records. Its company description also claims comprehensive after-sales service and willingness to develop with customers, but the documented procedures provide the strongest direct support.

Production capacityThe supplier reports a steel production line, approximately one million tons of annual output across various product types, and specific annual capacities of 800,000 tons for flat bar and 160,000 tons for angle bar. These stated production figures and identified facility support a strong production-capability assessment.

Customization capabilityThe supplier explicitly provides full customization, customization from designs and customization from samples. R&D engineers are responsible for sample and customization confirmation, while CAD capability and auditable design documentation further support execution of customized product requirements.