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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
CELL: 86-18526839451, 86-18526839452
EMAIL: admin@wanleipipe.com
WEBSITE: www.seamlesscarbonsteelpipe.com
ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)
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GB/T 6728 Square Steel Tube
GB/T 6728 square steel tube belongs to a cold forming hollow sectional steel, it is commonly used for general structure. We can provide you customizable GB/T 6728 square steel tube according to your needs. If you have any requirements, please let us know. We are looking forward to your purchase.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of gb/t 6728 square steel tube in China, featured by quality products and low price. If you're going to wholesale durable gb/t 6728 square steel tube made in China, welcome to get pricelist and free sample from our factory.
Introduction
GB/T 6728 square steel tube is produced from steel plates or steel strips through rolling operations. In most cases, coiled steel strips are welded into round tubes first. These round tubes then go through roll forming to take on a square shape, before being cut to customer‑required lengths. As cold‑formed hollow structural steel, GB/T 6728 square steel tube is mainly intended for general structural applications.
Specification
| Product name | Square And Rectangular Welded Steel Tube |
| Place of origin | Tianjin China |
| Brand | WL |
| Standard | GB/T 6728 |
| Material | Q195, Q235B, Q355B, etc. |
| Out diameter | 10*10mm-650*650mm (customizable) |
| Wall thickness | 1mm-12mm (customizable) |
| Length | 6m or customized length |
| Surface treatment | Black painting, varnish painting, hot dipped galvanized or as per clients' requirements |
| Technique | Hot rolled or cold rolled |
Product show
Application
GB/T 6728 square steel pipe finds wide real‑world use across many sectors. You will commonly see it applied for mechanical fabrication, building steel structures, metallurgical projects, farm vehicles and agricultural greenhouses. It also works well for automobile parts, railway facilities, highway guardrails, container frames, furniture and interior decoration work.
Packing
We bundle S45C seamless pipes firmly with steel strips and fit plastic end caps at both pipe ends, protecting the tubes against scratches and shape damage. Standard export packing is offered, and custom plywood‑box packing is also an option.
Our workers load goods into shipping containers carefully by forklift, to ensure your products arrive safely and in good condition after long‑sea transport.
Our advantages
Convenient transportation
Our company is located in Tianjin, and is close to the Tianjin Port. So convenient for loading and transporting.
01
Large inventory
:We have large inventory to meet your needs, here you can find the product you want.
02
Fast delivery
We can rapidly prepare goods from other factories. The delivery is very fast
03
Customization support
We accept various custom requirements including sizes, materials, surface treatments and special markings to match different project demands.
04
Flexible Order Support
We welcome small‑volume orders to meet your trial‑purchase and sample testing needs. Whether you need small batches for project evaluation or sample goods for inspection, we are able to accommodate your requirements.
05
Company Introduction
Tianjin Wanlei Steel Pipe Co., Ltd is a dedicated exporter of steel pipes and pipe fittings.
For more than 10 years, our team has been working hard in the steel export business. Over these years, we have built‑up solid business relationships with customers across many Southeast‑Asian countries.
We offer a broad product portfolio of steel pipes and fittings, all produced to meet well‑known international standards. Quality is always our top priority.
What we value most is long‑term trust with our partners. We always try our best to supply reliable products and give quick, thoughtful support to every customer.
We would love to reach more markets around the world and welcome new clients to grow together with us.
FAQ
Q: Can you provide some samples?
A: We can provide free samples to clients so that you can understand the quality of our products, but the transportation costs not be included.
Q: Can you deliver the Goods on time?
A: Of course, our inventory is sufficient and can be shipped in a short time. Integrity is our creed.
Q: How is the quality of your products?
A: Our products are manufactured strictly according to production standard and each one is carefully inspected before delivery.
Q: Are you a manufacturer?
A: Yes, we are a manufacturer, we have our own factory, which is located in Tianjin, near Beijing and close to the Tianjin Port.
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