Rectangular Steel tube E275, EN-10305-5

Product info

Supplier:	Tapgroup internation.,JSC
Address:	Số 32 Lô N4D, đường X2A, Yên Sở, Hoàng Mai, Hà Nội
Phone:	0084 933 86 77 86
Email:	info@tapgroup.vn
Website:	https://supplier-pipe-tube-ongthep.com
Insurance:	12 tháng
Status:	Mới 100%
Origin:	China, Korea, Malaysia, Thailand, Japan, EU, G7

Catalogue Profile

Description
Sizes and tolerance

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Product Name:

Rectangular Steel tube E275, EN-10305-5

The alternative name or alias of a product:

Rectangular Steel tube E275, EN-10305-5

Product Description:

• Steel name: E275 Steel Number 1.0225
• Standard: EN-10305 Part 5
• Type: Welded (ERW)
• Size:
• Outer Diameter 15 to 120
• Wall Thickness (WT): 1mm to 4mm
• Length: 6000mm To 12000mm
Quality Control:
• ISO 9001:, ISO 14001:2015, OHSAS 18001:2007 Quality management systems – Requirements
• Other:
. Certification:
• EN 10204 3.1: Inspection certificate type 2.1, 3.1 and 3.2 issued in accordance with EN 10204
• Shipping: Delivery of goods to the address requested by the customer

Chemical composition

Steel grade

% by mass

Steel name

Steel number

Carbon. Max

Silicon. Max

Manganese. Max

Phosphorus. Max

Sulfur

Al_totalmin.

E275

1.0225

0.21

0,35

1.4

0,025

0, 015

Mechanical Properties

Rectangular steel tubes are widely used in various industries for their structural and mechanical properties. The E275 steel grade is a low-carbon, non-alloy steel that conforms to the European standard EN-10305-5. It has a minimum yield strength of 275 MPa and a minimum tensile strength of 410 MPa. The mechanical properties of rectangular steel tubes made from this grade of steel depend on several factors, including the dimensions of the tube, the wall thickness, and the manufacturing process used to produce the tube.
Here are some of the key mechanical properties of rectangular steel tubes made from E275 steel:
1. Tensile strength: The tensile strength of rectangular steel tubes made from E275 steel is typically between 410 and 580 MPa, depending on the dimensions of the tube and the manufacturing process used.
2. Yield strength: The yield strength of rectangular steel tubes made from E275 steel is typically around 275 MPa, which means that the tube will deform plastically when subjected to stress above this level.
3. Elongation: The elongation of rectangular steel tubes made from E275 steel is typically between 14% and 22%, depending on the dimensions of the tube and the manufacturing process used.
4. Hardness: The hardness of rectangular steel tubes made from E275 steel is typically between 130 and 190 HV, depending on the dimensions of the tube and the manufacturing process used.
5. Impact strength: The impact strength of rectangular steel tubes made from E275 steel is typically around 27 J at room temperature, but this value can vary depending on the dimensions of the tube and the manufacturing process used.
6. Fatigue strength: The fatigue strength of rectangular steel tubes made from E275 steel is typically around 150 MPa, which means that the tube can withstand a certain number of cyclic loading cycles before failing.
Overall, rectangular steel tubes made from E275 steel have good mechanical properties that make them suitable for a wide range of applications in industries such as construction, automotive, and manufacturing.

Inspection and testing

The inspection and testing of rectangular steel tubes made from E275 steel are crucial to ensuring the quality of the product and its fitness for use. Here are some of the inspection and testing methods commonly used for rectangular steel tubes made from E275 steel in accordance with EN-10305-5:
1. Dimensional inspection: This involves measuring the dimensions of the rectangular steel tube, including its length, width, and thickness, to ensure that they meet the specified tolerances.
2. Visual inspection: This involves examining the surface of the rectangular steel tube for defects such as cracks, scratches, and surface imperfections that could affect its performance.
3. Chemical composition analysis: This involves using spectrometry to determine the chemical composition of the steel used to make the rectangular tube to ensure that it conforms to the specified requirements.
4. Mechanical testing: This involves subjecting the rectangular steel tube to various mechanical tests to determine its strength and ductility, including tensile strength, yield strength, elongation, and hardness.
5. Non-destructive testing: This involves using techniques such as ultrasonic testing or magnetic particle inspection to detect internal defects such as cracks, voids, or inclusions that may affect the performance of the rectangular steel tube.
6. Surface coating testing: This involves testing the surface coating of the rectangular steel tube to ensure that it meets the specified requirements for adhesion, thickness, and corrosion resistance.
7. Pressure testing: This involves subjecting the rectangular steel tube to hydrostatic pressure to test its resistance to pressure and leakage.
Overall, the inspection and testing of rectangular steel tubes made from E275 steel are essential to ensure that they meet the required specifications and standards for quality and safety. These tests help to ensure that the rectangular steel tubes are fit for use and will perform as expected under various conditions and loads.

Pressure and Temperature Ratings

The pressure rating and temperature limits for rectangular steel tubes made from E275 steel are important considerations when designing and selecting tubes for specific applications. These limits are determined by various factors, including the dimensions and wall thickness of the tube, the material properties of the steel, and the operating conditions.
Pressure Rating: The pressure rating of rectangular steel tubes made from E275 steel is determined by their wall thickness and dimensions, as well as the allowable stress of the material. The pressure rating can be calculated using standard formulas and equations, such as those outlined in ASME Boiler and Pressure Vessel Code Section VIII.
Temperature Limits: The temperature limits for rectangular steel tubes made from E275 steel depend on several factors, including the steel grade, the dimensions and wall thickness of the tube, and the operating conditions. The maximum operating temperature for E275 steel is typically around 250°C. At higher temperatures, the material may undergo permanent deformation or even failure due to thermal expansion and other factors.
It is important to note that the pressure rating and temperature limits for rectangular steel tubes made from E275 steel should always be verified with the applicable codes and standards, as well as with the manufacturer's specifications and recommendations. The actual pressure rating and temperature limits for a particular application may be influenced by various factors, such as the intended use, the type of fluid or gas being transported, and the environmental conditions. Thus, it is essential to carefully evaluate and assess all relevant factors before selecting and using rectangular steel tubes made from E275 steel for specific applications.

Surface Treatment

Surface treatment of rectangular steel tubes made from E275 steel is important for enhancing their corrosion resistance, improving their appearance, and protecting them against environmental factors. Here are some of the most common surface treatment methods used for rectangular steel tubes made from E275 steel in accordance with EN-10305-5:
1. Galvanizing: This involves applying a layer of zinc to the surface of the rectangular steel tube through hot-dip galvanizing or electroplating. This method provides excellent corrosion resistance and can extend the life of the tube in harsh environments.
2. Powder coating: This involves applying a layer of electrostatically charged powder to the surface of the rectangular steel tube and then heating it to form a durable and attractive coating. Powder coating provides excellent corrosion resistance and can be customized to meet specific aesthetic requirements.
3. Painting: This involves applying a layer of paint to the surface of the rectangular steel tube to provide protection against corrosion and enhance its appearance. Different types of paints can be used depending on the environmental conditions and intended use of the tube.
4. Phosphating: This involves treating the surface of the rectangular steel tube with a solution containing phosphoric acid to create a thin layer of phosphate that enhances its corrosion resistance and improves the adhesion of subsequent coatings or paints.
5. Anodizing: This involves treating the surface of the rectangular steel tube with an electrolytic process to create a thin layer of oxide that enhances its corrosion resistance and improves its appearance.
6. Shot blasting: This involves using abrasive materials to remove surface contaminants, rust, and other imperfections from the surface of the rectangular steel tube. Shot blasting can improve the adhesion of subsequent coatings or paints and extend the life of the tube.
Overall, the surface treatment of rectangular steel tubes made from E275 steel is an important consideration that can enhance their performance, improve their appearance, and extend their life. The choice of surface treatment method will depend on various factors, including the intended use of the tube, the environmental conditions, and the desired appearance and performance characteristics.

Standard marking for steel tubes

The standard marking of rectangular steel tubes made from E275 steel in accordance with EN-10305-5 is important for identifying their material properties, dimensions, and compliance with relevant standards. Here are some of the key elements that are typically included in the standard marking of rectangular steel tubes:
1. Manufacturer's logo or name: This identifies the manufacturer of the tube and is typically placed at the beginning of the marking.
2. EN standard and specification number: This identifies the standard and specification to which the rectangular steel tube conforms.
3. Steel grade: This identifies the type of steel used to make the tube, such as E275.
4. Dimensions: This includes the outer dimensions of the rectangular steel tube, including its length, width, and wall thickness.
5. Batch or heat number: This identifies the production batch or heat from which the rectangular steel tube was made and is used for traceability and quality control purposes.
6. Additional markings: Depending on the specific requirements of the application or customer, additional markings may be included, such as the date of manufacture, customer order number, or special instructions.
The standard marking of rectangular steel tubes made from E275 steel is typically applied using inkjet or steel stamps and is usually located on one end of the tube. The marking must be legible and durable enough to remain visible throughout the life of the tube.
In addition to the standard marking, rectangular steel tubes made from E275 steel may also be subject to additional testing and inspection requirements, such as non-destructive testing or surface coating testing, which may also be indicated on the marking. The purpose of the marking is to provide a clear and standardized way to identify and track the rectangular steel tube throughout its life cycle and ensure that it meets the required specifications and standards.

Standard packing for steel Tubes

The standard packing for rectangular steel tubes made from E275 steel in accordance with EN-10305-5 is designed to protect the tubes during transportation and storage and ensure that they arrive at their destination in good condition. Here are some of the common packing methods used for rectangular steel tubes:
1. Bundles: Rectangular steel tubes are typically bundled together using steel straps or wire rods. The tubes are stacked on top of each other and secured with straps to prevent them from shifting during transportation. The number of tubes in a bundle and their weight may vary depending on the size of the tubes and the requirements of the customer.
2. Plastic caps: Plastic caps are often used to cover the ends of rectangular steel tubes to protect them from damage during transportation and storage. The caps are usually made of polyethylene or a similar material and can be easily removed before installation.
3. Waterproof paper: Rectangular steel tubes may be wrapped in waterproof paper to protect them from moisture and other environmental factors during transportation and storage. The paper is usually reinforced with plastic or steel straps to ensure that it stays in place.
4. Wooden crates: For larger quantities of rectangular steel tubes, wooden crates may be used to provide additional protection during transportation and storage. The tubes are usually packed in bundles and placed inside the crate, which is then nailed shut and secured with metal straps.
The packing method used for rectangular steel tubes made from E275 steel may vary depending on the size of the tubes, the quantity being shipped, and the requirements of the customer. The goal is to ensure that the tubes arrive at their destination in good condition and are ready for installation. The use of standard packing materials and methods can also help to minimize the risk of damage or loss during transportation and improve overall efficiency in the supply chain.

Supplier

TAP Viet nam International Investment Joint Stock Company (TAP Viet nam) is a leading supplier of rectangular steel tubes made from E275 steel in accordance with EN-10305-5. As a trusted provider of high-quality steel products, TAP Viet nam has built a reputation for excellence in the industry and is committed to meeting the diverse needs of its customers.
Rectangular steel tubes made from E275 steel are commonly used in a variety of applications, including construction, automotive manufacturing, and industrial machinery. These tubes offer excellent mechanical properties, including high tensile strength and good formability, making them ideal for a wide range of uses.
At TAP Viet nam, we understand the importance of delivering reliable and consistent products to our customers. That's why we source our rectangular steel tubes from trusted manufacturers who use only the highest quality materials and production methods. Our tubes are carefully inspected and tested to ensure that they meet all relevant standards and specifications, and we work closely with our customers to provide customized solutions that meet their specific needs.
In addition to supplying rectangular steel tubes made from E275 steel, we also offer a range of value-added services to help our customers streamline their operations and reduce costs. These services include cutting, bending, and welding, as well as surface treatment and packaging options.
At TAP Viet nam, we are committed to providing exceptional customer service and support. Our team of experienced professionals is always on hand to answer questions, provide guidance, and help our customers find the best solutions for their needs. We believe that by building strong relationships with our customers and suppliers, we can create lasting value and drive sustainable growth for our business and our partners.
In conclusion, TAP Viet nam International Investment Joint Stock Company is a trusted supplier of rectangular steel tubes made from E275 steel in accordance with EN-10305-5. With a focus on quality, reliability, and customer service, we are committed to delivering exceptional products and solutions to our customers. Whether you're looking for standard sizes or customized options, we have the expertise and experience to meet your needs and exceed your expectations.

Dimensions and tolerances. Square and rectangular Steel tubes EN 10305-5 EN 10305-5 is a European standard that specifies the requirements for square and rectangular steel tubes used for mechanical and general engineering purposes. The standard specifies the dimensions and tolerances for these tubes, as well as the technical delivery conditions. Dimensions: The standard specifies the following dimensions for square and rectangular steel tubes: 1. Outer dimensions: The outer dimensions of the tubes shall be measured in millimeters and shall be within the range of 10 mm x 10 mm to 200 mm x 200 mm for square tubes and 10 mm x 15 mm to 150 mm x 200 mm for rectangular tubes. 2. Wall thickness: The wall thickness of the tubes shall be measured in millimeters and shall be within the range of 0.5 mm to 8 mm. 3. Length: The length of the tubes shall be measured in meters and shall be within the range of 3 m to 12 m. Tolerances: The standard specifies the following tolerances for square and rectangular steel tubes: 1. Outer dimensions: The outer dimensions of the tubes shall be within the tolerances specified in Table 1 of the standard. The tolerances vary depending on the size of the tube. 2. Wall thickness: The wall thickness of the tubes shall be within the tolerances specified in Table 2 of the standard. The tolerances vary depending on the size of the tube. 3. Length: The length of the tubes shall be within the tolerances specified in Table 3 of the standard. The tolerances vary depending on the length of the tube. Technical delivery conditions: The standard specifies the following technical delivery conditions for square and rectangular steel tubes: 1. Steel grades: The tubes shall be made of steel grades specified in the standard. 2. Manufacturing process: The tubes shall be manufactured by either cold drawing or cold rolling. 3. Surface conditions: The tubes shall be supplied with a smooth surface finish, free from defects such as cracks, laps, and seams. 4. Straightness: The tubes shall be straight and have a maximum deviation of 1 mm per meter of length. 5. Other requirements: The standard specifies other requirements such as chemical composition, mechanical properties, and non-destructive testing that the tubes shall meet. Overall, EN 10305-5 provides a detailed specification for the dimensions, tolerances, and technical delivery conditions for square and rectangular steel tubes used in mechanical and general engineering applications.


























Side length (s)			Sizes, tolerances and mass per unit length
Dimensions in millimetres
H	B (or H)	Tolerance of H and B	1	1.25	1.5	2	2.5	3	4

15	15	±0,20	0.438	0.537	0.632	0.810
20	10 15 20	±0,20	0,438 0,516 0,595	0,537 0,635 0,733	0,632 0,750 0,868	0,810 0,967 1,12



25	15 25	±0,25	0,595 0,752	0,733 0,930	0,868 1,10	1,12 1,44
30	10 15 20 30	±0,25	0,595 0,673 0,752 0,909	0,733 0,831 0,930 1,13	0,868 0,985 1,10 1,34	1,12 1,28 1,44 1,75



							2.15	2.39
34	20	±0,25	0.815	1.01	1.20	1.56
35	20 25 35	±0,25	0,830 0,909 1,07	1,03 1,13 1,32	1,22 1,34 1,57	1,59 1,75 2,07	1,95 2,15 2,54	2,39 2,86


40	20 25 30 40	±0,30			1,34 1,46 1,57 1,81	1,75 1,91 2,07 2,38	2,15 2,34 2,54 2,93	2,39 2,63 2,86 3,33


									4.25
45	45	±0,30			2.05	2.69	3.33	3.80	4.88
50	20 25 30 40 50	±0,30			1,57 1,69 1,81 2,05 2,28	2,07 2,22 2,38 2,69 3,01	2,54 2,74 2,93 3,33 3,72	2,86 3,10 3,33 3,80 4,28

									4,25
									4,88
									5,51
60	20 30 40 50 60	±0,35				2,38 2,69 3,01 3,32 3,64	2,93 3,33 3,72 4,11 4,50	3,33 3,80 4,28 4,75 5,22	4,88 5,51 6,14 6,76




70	40 70	±0,40				3,32 4,26	4,11 5,29	4,75 6,16	6,14 8,02

80	20 30 40 50 60 80	±0,50				3,01 3,32 3,64 3,95 4,26 4,89	3,72 4,11 4,50 4,90 5,29 6,07	4,28 4,75 5,22 5,69 6,16 7,10	6,76 7,39 8,02 9,28





90	90	±0,60				5.52	6.86	8.04	10.5
100	40 50 60 80 100	±0,65				4,26 4,58 4,89 5,52 6,15	5,29 5,68 6,07 6,86 7,64	6,16 6,63 7,10 8,04 8,99	8,02 8,65 9,28 10,5 11,8




120	40 60	±0,70				4,89 5,52	6,07 6,86	7,10 8,04	9,28 10,5

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