Rectangular Steel tube E320, 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 E320, EN-10305-5

The alternative name or alias of a product:

Rectangular Steel tube E320, EN-10305-5

Product Description:

• Steel name: E320 Steel Number 1.0237
• 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.

E320

1.0237

0.2

0,35

1.4

0,025

0, 015

Mechanical Properties

Rectangular steel tube E320 is a type of welded precision steel tube that conforms to the European standard EN-10305-5. This steel tube is manufactured using cold-drawn or cold-rolled methods and is made from low carbon steel, which makes it highly durable and strong. The E320 designation refers to the minimum yield strength of the steel, which is 320 MPa.
Mechanical properties of rectangular steel tube E320 include:
1. Tensile Strength: The tensile strength of rectangular steel tube E320 is a measure of its ability to resist being pulled apart by a tensile force. The minimum tensile strength of this steel tube is 410 MPa.
2. Yield Strength: The yield strength of rectangular steel tube E320 is the stress at which the steel begins to deform plastically and is a measure of its ability to resist permanent deformation under loading. The minimum yield strength of this steel tube is 320 MPa.
3. Elongation: The elongation of rectangular steel tube E320 is a measure of its ability to stretch under a tensile force without breaking. The minimum elongation of this steel tube is 8%.
4. Hardness: The hardness of rectangular steel tube E320 is a measure of its resistance to deformation, scratching, or penetration. The minimum hardness of this steel tube is 150 HV.
5. Impact Strength: The impact strength of rectangular steel tube E320 is a measure of its ability to absorb energy during an impact without breaking. The minimum impact strength of this steel tube is 27 J at -20°C.
6. Fatigue Strength: The fatigue strength of rectangular steel tube E320 is a measure of its ability to resist fatigue failure under repeated loading and unloading. The minimum fatigue strength of this steel tube is 130 MPa.
Overall, rectangular steel tube E320 is a strong and durable material that is suitable for use in a wide range of applications, including construction, engineering, and manufacturing. Its high strength, good ductility, and other mechanical properties make it a popular choice for many different types of projects.

Inspection and testing

The inspection and testing of rectangular steel tube E320, EN-10305-5 are essential steps in ensuring that the tube meets the required specifications and is suitable for its intended application. The following are some of the most common inspection and testing methods used for rectangular steel tube E320:
1. Dimensional inspection: The first step in inspecting a rectangular steel tube E320 is to check its dimensions. This involves measuring the length, width, and thickness of the tube using calibrated instruments. The measurements are then compared against the required specifications to ensure that the tube meets the required tolerances.
2. Visual inspection: A visual inspection is conducted to check the surface quality of the rectangular steel tube E320. The tube is checked for surface defects such as cracks, pits, or other imperfections that could affect its performance.
3. Chemical composition analysis: A chemical composition analysis is carried out to verify that the steel tube is made from the correct material and meets the required composition specifications. This involves using spectroscopy or other analytical techniques to identify the various elements present in the steel.
4. Tensile testing: Tensile testing is performed to determine the strength of the rectangular steel tube E320. This involves subjecting the tube to a tensile force until it breaks, and measuring the force required to cause the fracture. The test results are used to determine the tube's yield strength, ultimate tensile strength, and elongation.
5. Hardness testing: Hardness testing is carried out to measure the tube's resistance to indentation or scratching. This involves using a hardness tester to apply a known force to the surface of the tube and measuring the resulting indentation.
6. Impact testing: Impact testing is performed to determine the tube's ability to withstand sudden impacts or shocks. This involves subjecting the tube to a controlled impact and measuring the energy required to cause a fracture.
7. Non-destructive testing: Non-destructive testing (NDT) techniques such as ultrasonic testing, magnetic particle testing, and radiographic testing may be used to detect any internal defects or flaws in the rectangular steel tube E320 without damaging it.
Overall, the inspection and testing of rectangular steel tube E320 are essential steps in ensuring that the tube meets the required specifications and is suitable for its intended application. These tests ensure that the tube is of the required quality, and they help to prevent failures and accidents due to material defects or flaws.

Pressure and Temperature Ratings

The pressure rating and temperature range for rectangular steel tube E320, EN-10305-5 depend on several factors, including the tube's size, wall thickness, and intended application. Here are some general guidelines for pressure rating and temperature range for rectangular steel tube E320:
1. Pressure rating: The pressure rating of rectangular steel tube E320 is determined by its wall thickness and diameter. The thicker the wall and smaller the diameter, the higher the pressure rating. The pressure rating of the tube can also be affected by the type of fluid or gas it will be carrying and the intended operating conditions.
2. Temperature range: The temperature range for rectangular steel tube E320 depends on the material's ability to withstand high temperatures without undergoing significant deformation or losing strength. The temperature range for this steel tube is typically between -20°C and +120°C. However, this can vary depending on the specific application and the required performance of the tube.
It's important to note that the pressure rating and temperature range for rectangular steel tube E320 may differ from other types of steel tubes due to differences in material composition and manufacturing process. Therefore, it's essential to consult the relevant standards and specifications, as well as professional engineers or manufacturers to determine the appropriate pressure rating and temperature range for a specific application.
Additionally, it's important to conduct appropriate inspections and testing to ensure the rectangular steel tube E320 can withstand the intended pressure and temperature range and meets the required safety standards.

Surface Treatment

Rectangular steel tube E320, EN-10305-5 can be subjected to several surface treatments to improve its corrosion resistance, aesthetics, and durability. The following are some of the most common surface treatments applied to rectangular steel tube E320:
1. Hot-dip galvanizing: This surface treatment involves immersing the rectangular steel tube E320 in a bath of molten zinc to form a zinc-iron alloy layer on its surface. This coating provides excellent corrosion resistance and can last for several years.
2. Electroplating: Electroplating is a surface treatment that involves coating the rectangular steel tube E320 with a thin layer of a different metal, such as zinc, nickel, or chrome. This process is typically used to enhance the tube's appearance or to provide corrosion resistance.
3. Powder coating: Powder coating is a surface treatment that involves applying a dry powder to the rectangular steel tube E320 and then baking it in an oven to form a hard, durable coating. Powder coating is an environmentally friendly surface treatment that provides excellent corrosion resistance, impact resistance, and durability.
4. Painting: Painting is a surface treatment that involves applying a layer of paint to the rectangular steel tube E320. This treatment is typically used to enhance the tube's appearance or to provide some level of corrosion resistance.
5. Phosphating: Phosphating is a surface treatment that involves applying a layer of phosphate to the rectangular steel tube E320. This coating provides excellent adhesion for subsequent painting or powder coating and can improve corrosion resistance.
6. Passivation: Passivation is a surface treatment that involves immersing the rectangular steel tube E320 in a solution that removes any iron oxide or other contaminants from the surface. This treatment can improve the tube's corrosion resistance.
Overall, the selection of the appropriate surface treatment for rectangular steel tube E320 depends on the intended application, environmental conditions, and desired performance characteristics. It's important to consult with professionals in the steel industry to determine the appropriate surface treatment for a specific application and to ensure that all applicable standards and regulations are met.

Standard marking for steel tubes

Rectangular steel tube E320, EN-10305-5 is marked in compliance with the standard requirements to ensure traceability and identification of the product. The following are the standard marking requirements for rectangular steel tube E320:
1. Manufacturer's name or trademark: The name or trademark of the manufacturer is typically marked on the tube to identify the source of the product.
2. Material grade: The material grade, E320, is marked on the tube to indicate the specific steel alloy used in its production.
3. Tube dimensions: The dimensions of the rectangular steel tube E320, including its outside dimensions, wall thickness, and length, are typically marked on the tube to ensure that it meets the specified requirements.
4. Batch or serial number: The batch or serial number of the tube is typically marked on the tube to ensure traceability and identification of the product in case of any issues.
5. Standard number: The standard number, EN-10305-5, is marked on the tube to indicate the applicable standard used in the production of the tube.
6. Heat number: The heat number is marked on the tube to identify the specific batch of steel used in its production.
7. Country of origin: The country of origin of the rectangular steel tube E320 is marked on the tube to indicate where the product was manufactured.
The above markings are typically applied to the rectangular steel tube E320 using ink or paint and are usually located on the surface of the tube in a legible and durable manner. The specific location and method of marking may vary depending on the manufacturer and the tube's size and shape. It's essential to ensure that the rectangular steel tube E320's markings are clearly visible and meet all the applicable standards and regulations.

Standard packing for steel Tubes

Rectangular steel tube E320, EN-10305-5, is packed in compliance with standard requirements to protect the product during transportation and storage. The following are the typical packing requirements for rectangular steel tube E320:
1. Bundles: Rectangular steel tubes E320 are typically bundled together using steel straps or other suitable materials to ensure that they remain in place during transportation. The maximum bundle weight typically ranges from 1 to 5 metric tons.
2. Protection: The rectangular steel tube E320's ends and edges are typically protected using plastic caps or other suitable materials to prevent damage during handling and transportation.
3. Labels: Each bundle of rectangular steel tube E320 is typically labeled with the manufacturer's name, material grade, tube dimensions, batch or serial number, and standard number.
4. Shipping containers: Rectangular steel tubes E320 are typically shipped in 20-foot or 40-foot containers, depending on the quantity and size of the product. The containers are usually lined with moisture-resistant materials to protect the product from corrosion and damage during transportation.
5. Documentation: Rectangular steel tubes E320 are typically accompanied by shipping documents that include the product's specifications, packing details, and other relevant information.
It's essential to ensure that the rectangular steel tube E320's packing meets all the applicable standards and regulations to ensure the safe transportation and storage of the product. Additionally, it's crucial to follow proper handling procedures when unpacking and storing the rectangular steel tubes E320 to prevent damage and ensure their long-term performance.

Supplier

TAP Viet Nam International Investment Joint Stock Company, also known as TAP Viet Nam, is a leading supplier of rectangular steel tubes E320, EN-10305-5 in Vietnam. The company has been operating since 2010 and has established a reputation for delivering high-quality steel tubes that meet the needs of various industries.
Rectangular steel tubes E320, EN-10305-5 are made from high-quality steel and are widely used in the construction, automotive, and manufacturing industries. These tubes are known for their strength, durability, and resistance to corrosion, making them ideal for applications that require reliable and long-lasting performance.
TAP Viet Nam offers a wide range of rectangular steel tubes E320, EN-10305-5, in various sizes, lengths, and thicknesses, to meet the specific needs of its customers. The company uses state-of-the-art manufacturing equipment and employs highly skilled professionals to ensure that its products meet the highest quality standards.
In addition to offering high-quality rectangular steel tubes E320, EN-10305-5, TAP Viet Nam is also committed to providing excellent customer service. The company works closely with its customers to understand their needs and provides customized solutions to meet their specific requirements.
TAP Viet Nam's rectangular steel tubes E320, EN-10305-5 are widely used in various industries, including construction, automotive, and manufacturing. These tubes are suitable for various applications, such as structural supports, vehicle frames, and machinery components.
In conclusion, TAP Viet Nam International Investment Joint Stock Company is a reliable and trusted supplier of rectangular steel tubes E320, EN-10305-5 in Vietnam. With a commitment to delivering high-quality products and excellent customer service, TAP Viet Nam is well-positioned to meet the growing demand for steel tubes in the country's thriving industrial sector.

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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