Q235B Straight Seam Steel Pipe

What our customers value most is not only the Durable Q235B Straight Seam Steel Pipe material itself, but also its consistent quality, fast delivery, flexible customization, and reliable after-sales support. This is precisely the direction our Tianjin factory strives for every day.

What Is Q235B Straight Seam Steel Pipe and What Can It Do?

The Customized Q235B Straight Seam Steel Pipe is a welded steel pipe produced by rolling steel plates or strips into shape and welding them along a straight seam. The material Q235B is a low-carbon structural steel widely used in China and international projects due to its good strength, excellent weldability, and stable performance.

In real projects, this pipe is mainly used for:

Low-pressure fluid transportation (water, gas, oil)

Structural support in buildings and steel frameworks

Piling and foundation reinforcement

Mechanical and engineering fabrication

Customers choose this product because it is easy to process, cost-effective, and reliable for long-term use, especially when project schedules and budgets are tight.

Product Parameters

Pipe specifications and related data

International Pipe Size Comparison Table

Why Our Q235B Straight Seam Steel Pipe Works Better in Real Projects？

We are not just a trader. Juming operates its own processing factory, works closely with top steel mills, and controls quality from raw material to final delivery.

Key advantages

Stable raw material

We use qualified Q235B steel coils from first-tier Chinese steel mills. Each batch is traceable.

Accurate dimensions

Wall thickness and diameter are strictly controlled, reducing on-site fitting and rework.

Good welding performance

The pipe weld seam is smooth and strong, suitable for secondary welding, cutting, and fabrication.

Fast response & delivery

Sample production in 2 days, bulk orders shipped within 15 days from our Tianjin factory.

Flexible customization

Length, diameter, thickness, surface treatment, and packaging can all be adjusted.

How We Make It?

Our Q235B Straight Seam Steel Pipe is produced using a mature and stable process:

Steel coil inspection and chemical composition verification

Slitting and forming by high-frequency welding line

Automatic straight seam welding

Online weld seam inspection

Sizing and straightening

Cutting to fixed or random length

Hydrostatic test / flattening test / bending test

Surface treatment and final inspection

This process ensures uniform strength, clean weld seams, and reliable performance in real applications.

Where It Is Actually Used?

Our Q235B Straight Seam Steel Pipe has been supplied to projects such as:

Steel structure workshops and warehouses

Bridge guardrails and support frames

Municipal water and gas pipelines

Construction scaffolding and piling projects

Machinery frames and fabricated parts

We have exported this product to South Korea, Turkey, Russia, and several European countries, adapting specifications to local standards and working conditions.

Quality Control & Certification

Quality is not just a promise. It is a system.

Full batch traceability from raw material to delivery

Mechanical testing and dimensional inspection

Optional third-party inspection (SGS, BV, etc.)

Warranty period: 1–3 years, depending on application

Non-human quality issues are handled with repair or replacement, no excuses.

Why Choose Juming Instead of Other Suppliers?

Compared with many suppliers, our advantage is not price alone.

Real factory in China, not a paper trader

Nearly 10 years of steel export experience

Engineers who understand drawings and applications

Fast sample confirmation before mass production

Long-term customers with high repeat orders

That’s why many clients treat Juming as a long-term steel pipe supplier, not just a one-time vendor.

Packaging & Shipping

Standard bundling with steel straps

Plastic caps on pipe ends (optional)

Anti-rust treatment for sea transport

Container or bulk shipment available

From our Tianjin location, goods can be shipped quickly to global ports.

Sample, Customization and After-Sales Support

Free samples available (size-dependent)

Custom specifications supported

Technical guidance for installation and usage

24-hour response for inquiries and after-sales issues

If you are looking for a reliable China manufacturer and supplier of Q235B Straight Seam Steel Pipe, Juming is ready to support your project from start to finish.

FAQ

Q: Can I get a sample before placing a bulk order?

Yes. Samples can be prepared within 2 days.

Q: Can you do special sizes or standards?

No problem. Send us your drawings or requirements.

Q: How long is the delivery time?

Normally within 15 days after order confirmation.

Q: Do you support third-party inspection?

Yes, fully supported.