Seamless Rectangular Tube

Your Professional Seamless Rectangular Tube Supplier

 

Hormann (Jinan) Metal Co. Ltd. is a leading enterprise dedicated to the professional manufacturing, research and development, design, production, sales, and service of various specifications and models of steel products. Our comprehensive product range includes galvanized steel, seamless steel pipes, stainless steel, aluminum alloys, copper alloys, black iron sheets, stainless rebar, and prepainted steel coils.


Quality Control
Our company employs a rigorous quality control system where certified quality inspectors conduct thorough inspections on every batch of products. We also provide authoritative test reports to ensure our products meet the highest standards.

 

Advanced Equipment
We are equipped with state-of-the-art facilities specialized in steel production, including steel plate pretreatment lines, leveling machines, cutting equipment, cold processing machinery, assembly units, welding systems, correction devices, painting stations, lifting apparatus, and transportation vehicles.

 

Sales Market
Our products are distributed globally, with significant market presence in regions such as the Middle East, North America, Australia, and others. Our commitment to quality has earned us widespread acclaim from customers worldwide.

 

On-Time Delivery
We meticulously plan production and shipping schedules based on customer requirements and order urgency to ensure timely delivery. Our efficient logistics system guarantees that customers receive their products promptly.

 

 
 

Specification of Seamless Rectangular Tube

 

 

Size

20mm × 30mm ~ 600mm × 800mm

Wall thickness

1.0mm ~ 30mm

Length

6m, 9m, 12m or customized length

Surface treatment

Black, hot-dip galvanized, painted or other requirements

Standard

ASTM A500, EN10219, GB/T3094, GB/T6728, etc

Quality control

Visual inspection, chemical composition analysis, mechanical property testing, NDT testing, etc

Note

The above is only a possible specification, and the actual specification is subject to the manufacturer's announcement.

 

Types of Seamless Rectangular Tube

The seamless rectangular tubes produced by our company mainly include the following types:

Welded Carbon Hollow Rectangular Steel
Welded Carbon Hollow Rectangular Steel
Welded Carbon Hollow Rectangular Steel
Welded Carbon Hollow Rectangular Steel

Q235 Pre-Galvanized Square Hollow Section Steel Pipe
Q235 Pre-galvanized square hollow section steel pipe is a square hollow steel pipe made of Q235 steel, the surface is first galvanized (30-60g/m²) treatment, making it corrosion and rust resistant.

 

STKR400 Rectangular Hollow Section Tube
STKR400 rectangular hollow section tube is a type of steel pipe that conforms to the JIS G3466 standard. STKR400 is the grade name for cold-rolled steel pipes and hollow sections, while rectangular hollow sections are a type of steel pipe used for structural applications.

 

A500 Grade B Steel Rectangular Pipe
A500 grade B steel rectangular pipe is a type of rectangular hollow section made of high-strength carbon steel. It is available in various sizes and thicknesses to meet the specific requirements of different applications.

 

Q235B Hot Rolled Rectangular Tube
In the seamless steel pipe series, there is a material called Q345B seamless steel pipe is a low alloy series. In the low alloy material, this material is the most common. Q345B seamless steel pipe in the past is called: 16Mn seamless steel pipe.

 

Characteristics of Seamless Rectangular Tube

 

Excellent strength and toughness

The seamless rectangular tubes have undergone deep processing and heat treatment to increase their strength and toughness, enabling them to withstand high pressure and impact loads.

01

Accurate size

Advanced production technology is used to process seamless rectangular tubes, ensuring their dimensional accuracy and good flatness. They can meet the requirements of various complex projects.

02

Superior seamless performance

Seamless square and rectangular pipes are not only aesthetically pleasing but also have internal connections that eliminate the risk of water leakage, ensuring the safety and reliability of the project.

03

Strong corrosion resistance

The seamless rectangular tubes have a specially treated surface that provides excellent corrosion resistance. This makes them suitable for use in harsh environments for extended periods.

04

 

Applications of Seamless Rectangular Tube
 
 
 

Construction field

Seamless rectangular tubes are commonly used in construction for building structural supports, house trusses, roof beams, and steel structural frames due to their durability, stability, and ability to withstand heavy weights. Their use ensures the strength and stability of the building structure, as well as improving its load-bearing capacity and service life.

 
 

Transportation field

Seamless rectangular tubes are a suitable material for manufacturing brackets or beams in bridges, tunnels, stations, overpasses, highway guardrails, and other transportation projects. They offer good corrosion resistance and high strength, making them an ideal choice for traffic engineering in coastal and humid areas, ensuring a longer service life.

 
 

Mechanical field

Seamless rectangular tubes are essential in the mechanical industry and can be used in the manufacturing of machine tools, heavy equipment, ships, aerospace, high-pressure vessels, and other fields. Their high strength and hardness make them capable of withstanding significant pressure and weight, making them ideal for use in the mechanical field.

 
 

Electric power field

Seamless rectangular tubes are commonly used as towers for power transmission lines and substation equipment supports in the electric power industry. They possess excellent electrical insulation properties and high mechanical strength, ensuring the stability of power equipment and power supply quality.

 

 

Forming Method of Seamless Rectangular Tube
 

Solid bend

The solid bend, as its name implies, compacts the bend, and the inner and outer rollers and the inner and outer walls of the tube blank are compacted in a two-way manner during the real bend. The advantage of solid bending is that the rebound is small, and the forming is accurate. As long as the roll shape is accurate, the R of the inner corner forming is more accurate.

Empty bend

The empty bending is to form a bending moment through the unidirectional contact between the outer roller and the outer wall of the tube blank to bend the strip. The empty bending will compress the bending line, and the compression effect will cause the bending line to extend longitudinally. This is the compression / thickening effect of void bending. The advantage of empty bending is that the side length bending can be performed when the real bending cannot be performed, such as the simultaneous bending and finishing of the top / side of a rectangular tube. The empty bend can also bend the inner angle of R <0.2t without breaking the pipe wall.

 

Safety Precautions for Cutting Seamless Rectangular Tubes

 
Choose the Right Cutting Tool

The first step in safely cutting a seamless rectangular tube is selecting the appropriate cutting tool. Depending on the thickness and diameter of the pipe, your options may include a hacksaw, reciprocating saw, circular saw, or pipe cutter. Ensure your chosen tool is in good working condition with a sharp blade, and it’s designed for the job at hand. Choosing the right tool is critical for achieving a clean and efficient cut while minimizing the risk of accidents.

Wear the Right Safety Gear

Before you begin, gear up with the necessary safety equipment. seamless rectangular tube cutting can generate sparks, metal shavings, and sharp edges. At a minimum, you should wear safety glasses, hearing protection, and work gloves. For added protection, consider a face shield, flame-resistant clothing, and steel-toed boots, especially if you’re working in a potentially hazardous environment. Safety gear acts as your shield against potential injuries and ensures that you remain protected throughout the cutting process.

Secure the Seamless Rectangular Tube

Properly securing the seamless rectangular tube you’re about to cut is crucial. Use clamps or a vice to hold the pipe firmly in place, preventing it from rolling or shifting during the cutting process. A stable work surface is equally important to ensure a straight and accurate cut. Never attempt to cut a seamless rectangular tube that is not securely anchored, as it can lead to dangerous accidents. Ensuring the seamless rectangular tube is well-secured minimizes the risk of accidents and guarantees that the cutting process stays controlled and precise.

Mark Your Cutting Line

Accurate measurements and clear markings are essential for a precise cut. Use a measuring tape, square, or pipe marking tools to mark the exact cutting line on the seamless rectangular tube. Double-check your measurements and markings to ensure they’re accurate, as errors here can result in uneven or incorrect cuts. Precise markings are the foundation of an accurate cut, so take your time to ensure your measurements and lines are spot-on.

Use the Right Cutting Technique

When it comes to cutting a seamless rectangular tube, your technique matters. Apply steady, even pressure on the cutting tool and let the blade do the work. If you’re using a hacksaw, make long, fluid strokes with the saw while maintaining the proper angle. For power tools, be mindful of your hand positioning and always cut away from your body. Do not rush the process, as excessive force or speed can lead to blade breakage or a jagged cut. Employing the correct cutting technique ensures not only the precision of the cut but also the safety of the operation.

 

Ordering Process of Seamless Rectangular Tube
1

Contact us

Consult the products you want to know.

2

Provide specifications

Clearly communicate the desired size, wall thickness, material grade, finish, and length of the seamless rectangular tube.

3

Get a quote

Request a price quote based on your specifications.

4

Confirm order details

Review the quote and confirm all details before placing the order.

 

Packaging and Shipping

 

 

Packaging

Bundled with firm steel straps, easy for loading and unloading. Steel structure components will be in nude packaging with proper protection.

Standard seaworthy export packing, other types of packing can be customized as every requirement.

Shipping

We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

 

Our Service
 
01/

The steel supplied by our company is accompanied by the raw material of the steel mill.

02/

Customers can choose any length or other requirements.

03/

Order or purchase various steel products or special specifications.

04/

Adjust the temporary lack of specifications in this library, saving you the trouble of rushing to buy.

05/

Transport service, can be delivered directly to your designated place.

06/

Sold materials, we are responsible for the overall quality tracking, for you to eliminate worries.

 

Our Factory

 

Hormann (Jinan) Metal Co., Ltd. specializes in steel processing business, adhere to the professional, sincere to win the customer moved service concept, the company has experienced urbanization construction and diversified development in the process of development. The company has always focused on creating high-end products, providing quality services and creating a better lifestyle.

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Our Certificate

 
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FAQ

 

Q: What is the difference between seamless rectangular tubes and welded rectangular tubes?

A: Seamless rectangular tubes are made through a one-time forming process without welds, so they have higher strength and better sealing. Welded rectangular tubes, on the other hand, are made by welding multiple parts together, and there may be weld defects.

Q: What are the materials of seamless rectangular tubes?

A: Seamless rectangular tubes are usually made of carbon steel, stainless steel and other materials. Carbon steel seamless rectangular tubes have good mechanical properties and processing properties, while stainless steel seamless rectangular tubes have excellent corrosion resistance.

Q: What is the wall thickness of seamless rectangular tubes?

A: The wall thickness of seamless rectangular tubes is determined according to specific specifications and application requirements, and usually has a certain range. When purchasing, you can choose the appropriate wall thickness according to actual needs.

Q: What is the length of seamless rectangular tubes?

A: The length of seamless rectangular tubes is also determined according to specific specifications and application requirements. Generally speaking, it can be customized according to customer requirements.

Q: How to test the quality of seamless rectangular tubes?

A: Testing the quality of seamless rectangular tubes usually includes appearance inspection, dimension measurement, mechanical property testing, chemical composition analysis, etc. These tests can ensure that seamless rectangular tubes meet relevant standards and customer requirements.

Q: What are the connection methods of seamless rectangular tubes?

A: The connection methods of seamless rectangular tubes include welding, threaded connection, flange connection, etc. The specific connection method to be selected depends on the application requirements and the requirements of the pipeline system.

As one of the most professional seamless rectangular tube manufacturers and suppliers in China, we're featured by quality products and competitive price. Please rest assured to buy seamless rectangular tube for sale here and get free samples from our factory. Also, customized service is available.

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