What are the available surface finishes?

Options include bare, black painted (varnish coating), galvanized, oiled, and 3 PE or FBE corrosion-resistant coatings.

Is customization available for shapes and sizes?

Yes, we offer customization for shape (Round/Square/Rectangle) and length, as well as specific process requirements like cold or hot rolling.

S235jr Steel Hollow Sections 15-1000mm Od Black Rectangular

Name: S235jr Steel Hollow Sections 15-1000mm Od Black Rectangular
Brand: Joho Steel Co., LTD
SKU: 2254428475

Hunan, ChinaJoho Steel Co., LTD

US$630.00

5-24 Tons

US$615.00

25-49 Tons

US$600.00

50-99 Tons

US$580.00

100+ Tons

Sample price:US$620.00/ton.Request sample

Product profile

Customization

Available

Application

Chemical Industry, Construction Industry, Oil and Gas Industry, Water Treatment Plants

Carbon Content

Medium Carbon Steel

Model NO.

Hollow Section

End Connection

Plain End

Length

Custom Length

Outer Diameter

4 inch

Surface Finish

as Customer's Requirement

Type

ERW Pipe

Wall Thickness

Schedule 80

Process

Cold Rolled / Hot Rolled

Shape

Round/Square/Rectangle

Test

Ut, Water Press, X-ray

Invoicing

by Actual Weight

Transport Package

Bundles, Wooden Cases, Pallets, etc

Trademark

Johosteel

Origin

China

Production Capacity

100000ton/Year

Key features

High Strength-to-Weight Ratio: Reduces material consumption by 30%-50% while maintaining superior bending and torsion resistance.

Wide Customization Options: Supports custom length, shape (Round/Square/Rectangle), and surface finishes like black paint or galvanized.

Versatile Application Scope: Ideal for construction, machinery, automotive, and fluid pipeline systems due to high structural efficiency.

Multiple Surface Treatments: Available in bare, black painted, galvanized, oiled, or 3 PE/FBE corrosion-resistant coatings.

Strict Quality Inspection: Includes hydraulic, eddy current, and infrared testing with SGS third-party inspection available.

Diverse Steel Standards: Complies with ASTM, DIN, JIS, BS standards with grades ranging from Q195 to Q345.

Flexible Manufacturing Process: Manufactured via Cold Rolled, Hot Rolled, or ERW techniques to meet specific engineering needs.

Secure Packaging & Shipping: Bundled with metal belts and plastic wrap, or wooden cases, with global shipping options available.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceQuality AssuranceManagement Certification

Joho Steel Co., LTD

Hunan, 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 YearsNearest Port: Shanghai port, Tianjian port, Qingdao portAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a steel pipe manufacturer with stated production capacity exceeding 400,000 metric tons annually, supported by two ERW, one LSAW, and two SSAW production lines. It holds an ISO 9001:2015 certificate, offers extensive customization and ODM/OEM services, and has participated in an international trade exhibition. However, its service-management procedures, complaint-handling process, corrective-action mechanism, overseas service presence, inventory capability, and digital management systems are limited or absent. Financial information provided for 2024 reports zero values across the listed indicators, which does not establish financial credibility. The supplier reports two R&D engineers and no new products in the past year, so innovation strength is not demonstrated. Customer cases are not specifically documented.

Supplier typeThe supplier identifies itself as a steel pipe manufacturer operating two ERW lines, one LSAW line, and two SSAW lines, with stated annual steel pipe capacity exceeding 400,000 metric tons. This supports classification as a manufacturing supplier rather than a purely trading or service company.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate. This is explicit evidence of a quality-management-system certification, although no further certification scope or validity details are provided.

After-Sales capabilityThe supplier has no written procedures or records for service assessment, corrective and preventive actions, or complaint handling. It also has no overseas showroom, agents or branches, overseas warehouse, or inventory capability, although it has participated in one offline trade show and reports a one-month average lead time.

Production capacityThe supplier states that five steel pipe production lines support annual capacity exceeding 400,000 metric tons, indicating substantial manufacturing capability. However, in-stock capability is explicitly absent, while the status of capacity reconciliation, outsourcing procedures, and manufacturing contracts is unknown.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, along with ODM services and OEM services for known brands. These statements provide direct evidence of broad customization capability.

Product Q&A

Q:What is the lead time for orders?

Standard models ship in 15-30 days; customized units require 30-45 days.

Q:Do you provide after-sales service overseas?

Yes, we have partnered service centers in key regions.

Q:What is the minimum order quantity (MOQ)?

Regarding OEM service, general MOQ of each design is 100pcs per, with best price. For your special request with less MOQ, then can be made sublimation printing direclty.

Q:What documents do you provide for export?

Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q:How do I place an order?