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The Zhongyue Black STB340 Seamless Steel Tube is a high-quality carbon steel pipe that is perfect for a wide range of applications. With a diameter of 89mm, this tube is ideal for use in construction, automotive, and industrial settings.
Made from durable carbon steel, this seamless tube is designed to withstand high pressure and temperature conditions. The seamless construction ensures a smooth surface, making it easy to transport liquids, gases, and other materials with minimal friction.
The black finish gives this steel tube a sleek and modern look, making it a versatile choice for a variety of projects. Whether you need to transport liquids or create a sturdy structure, this tube is up to the task.
The Zhongyue Black STB340 Seamless Steel Tube is manufactured to strict quality standards, ensuring that it meets or exceeds industry regulations. This means you can trust that this tube will provide reliable performance over time.
With a length of 89mm, this steel tube is easy to work with and can be cut to size to fit your specific needs. Whether you need a short piece for a small project or a longer length for a larger application, this tube can be customized to suit your requirements.
The Zhongyue Black STB340 Seamless Steel Tube is a versatile and reliable choice for a wide range of applications. Whether you are working on a construction project, automotive repair, or industrial application, this tube is sure to meet your needs. Trust in the quality and durability of Zhongyue products for all your steel tube needs
High strength and pressure resistance
Made of high-quality steel through hot rolling or cold rolling processes, its weld-free structure endows it with uniform mechanical properties, enabling it to withstand ultra-high pressure and strong impact force. It is widely used in high-pressure pipelines, hydraulic equipment and other scenarios, ensuring safety and reliability in use

High precision and stability

Strong corrosion resistance
Place of Origin |
Shandong China |
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Outer diameter |
30--120mm Customized |
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Wall thickness |
5---15mm Customized |
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Length |
6M,9M,12MCustomized |
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Seamless steel pipe standard
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China |
GB/T 8162-2022 |
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International standard |
ISO 4959:2018 |
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American standard |
ASTM A106/A106M-2021 |
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European standard |
EN 10216-1:2014 |
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Japanese standard |
JIS G3441:2012 |
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German standard |
DIN EN 10297-1:2018 |
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Packaging terms |
Tie them together with steel straps |
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Steel grade |
ASTM A106-B/A53-B/1045 |
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JIS STPG42/STPT42/STB42/S45C |
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DIN ST42-2/ST45-8/C45 |
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Technology |
Hot rolling |
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Purpose |
Mechanical parts,Steel structure frame,agricultural machinery, Shaft parts,Bolts and fasteners,Mining and construction machinery and equipment,Lifting and transportation equipment,Automobile parts,Agricultural machinery
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Processing service |
Customizable |
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Inventory |
12,000 tons |
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Hot distribution market |
Russia, Pakistan, the United States, Japan, New Zealand, Brazil, Australia, India, Singapore, Spain, etc |

Scaffolding and support systems

Mechanical components

Maintenance facilities

Petroleum and gas industry

Agricultural facilities
Has its own R & D team, including 24 technical personnel, 8 registered engineers, 6 quality inspection personnel. With a total of more than 200 employees and an annual output of 100,000 tons of seamless steel pipes, the Group's products are widely used in: building structure field, automotive industry field. Chemical, electric power field. We are a member of the National Steel Structure Association, high-tech enterprise units, and have dozens of patent certificates. The group adheres to the principle of "integrity management", based on "reputation" and "quality", and its products have been favored by customers since they were put on the market. Our stable quality assurance, integrity of the business philosophy, quality service, by various countries praise

1. Are you a manufacturer
Yes, we are a manufacturer. We have our own factory, which is located in Shandong, China. We have a leading position in the production and export of steel products such as carbon steel pipes, galvanized steel pipes, steel components, and profiles, etc. We guarantee that we are exactly what you are looking for.
You are warmly welcome to arrange a visit according to your schedule, and we will pick you up.
3. Can you arrange the shipment
Certainly. We have permanent freight forwarders who can obtain the best prices from most shipping companies and provide professional services.
4. How long is your delivery time
Answer: If there is stock available, it usually takes 7 to 14 days. Or if the goods are out of stock, it will be 25 to 45 days, which depends on the quantity.
5. How can we get a quotation
Please provide the specifications of the products, such as materials, dimensions, shapes, etc. In this way, we can give you the best quotation.
6. Can we get some samples? Is there any cost
Yes, we can provide samples for free, but we will not cover the freight cost. If you place an order after confirming the samples, we will refund your express freight cost or deduct it from the order amount.
7. How do you establish a long-term and good business relationship with us
We maintain good quality and competitive prices to ensure the interests of our customers
We regard every customer as our friend. No matter where they are from, we conduct business sincerely and make friends with them.