Rectangular Steel tube E155, 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
Dimensions and tolerances. Square and rectangular Steel tubes EN 10305-5

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Product Name:

Rectangular Steel tube E155, EN-10305-5

The alternative name or alias of a product:

Rectangular Steel tube E155, EN-10305-5

Product Description:

• Steel name: E155 Steel Number 1.0033
• 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.

E155

1.0033

0,11

0,35

0,70

0,025

0, 015

Mechanical Properties

Rectangular steel tubes made of E155 steel according to EN 10305-5 specification are cold-drawn and electrically welded precision tubes that have excellent mechanical properties. These tubes are commonly used in a wide range of applications, including construction, automotive, furniture, and other industries.
Here are the detailed mechanical properties of rectangular steel tube E155 according to EN 10305-5:
1. Tensile Strength: The minimum tensile strength of rectangular steel tube E155 is 420 MPa (MegaPascals). This means that the steel tube can withstand a minimum tensile load of 420 N/mm² (Newton per square millimeter) before breaking.
2. Yield Strength: The minimum yield strength of rectangular steel tube E155 is 320 MPa. This means that the steel tube can withstand a minimum yield load of 320 N/mm² before it starts to deform permanently.
3. Elongation: The minimum elongation of rectangular steel tube E155 is 10%. This means that the tube can stretch up to 10% of its original length before breaking.
4. Hardness: The hardness of rectangular steel tube E155 is typically measured using the Vickers hardness test. The minimum Vickers hardness of this steel tube is 120 HV (Vickers hardness).
5. Impact Strength: The impact strength of rectangular steel tube E155 is determined by conducting a Charpy V-notch impact test. The minimum impact strength of this steel tube is 27 J (Joules).
In summary, rectangular steel tube E155 made according to EN 10305-5 specification has excellent mechanical properties, including high tensile and yield strength, good elongation, and impact strength. These properties make the tube suitable for various applications where high strength and durability are required.

Inspection and testing

Rectangular Steel Tube E155, EN-10305-5 is a product standard that specifies the requirements for the seamless cold-drawn rectangular steel tubes made of carbon and low-alloy steels for use in mechanical and general engineering purposes. The tubes are available in various sizes and dimensions and are commonly used in structural applications such as buildings, bridges, and industrial equipment.
Inspection and testing of Rectangular Steel Tube E155, EN-10305-5 are important to ensure that the tubes meet the required quality standards and specifications. The following are some of the key inspection and testing methods used for Rectangular Steel Tube E155, EN-10305-5:
1. Visual Inspection – This involves visually examining the tube to check for any defects such as cracks, surface irregularities, and weld discontinuities.
2. Dimensional Inspection – This involves measuring the tube's dimensions such as length, width, and thickness to ensure that they conform to the required specifications.
3. Chemical Analysis – This involves testing the chemical composition of the steel used to manufacture the tube. The chemical composition must meet the specified requirements.
4. Mechanical Testing – This involves testing the tube's mechanical properties such as tensile strength, yield strength, and elongation to ensure that they meet the specified requirements.
5. Flattening Test – This involves flattening the tube to a specified deformation without cracking or tearing.
6. Flaring Test – This involves flaring the tube's end to a specified angle without cracking or tearing.
7. Hydrostatic Testing – This involves subjecting the tube to a hydraulic pressure test to ensure that it can withstand the specified pressure without leaking or bursting.
8. Eddy Current Testing – This involves using eddy current testing equipment to detect any surface defects or flaws in the tube's material.
9. Ultrasonic Testing – This involves using ultrasonic testing equipment to detect any internal defects or flaws in the tube's material.
Overall, inspection and testing of Rectangular Steel Tube E155, EN-10305-5 are essential to ensure that the tube meets the required quality standards and is suitable for its intended use.

Pressure and Temperature Ratings

The pressure rating and temperature for a rectangular steel tube E155, according to EN 10305-5, depends on a variety of factors including the dimensions of the tube, the wall thickness, and the material used to make the tube.
EN 10305-5 specifies the technical delivery conditions for welded and cold-sized square and rectangular steel tubes for precision applications. The E155 steel grade refers to a non-alloy steel with a minimum yield strength of 155 MPa.
The pressure rating of the rectangular steel tube depends on the dimensions and wall thickness of the tube, as well as the intended application. Generally speaking, rectangular steel tubes can withstand a range of pressure ratings depending on their size and thickness. For example, a rectangular steel tube with a larger cross-sectional area and thicker walls can typically withstand higher pressure ratings compared to a tube with smaller dimensions.
Similarly, the temperature rating for a rectangular steel tube E155 depends on the specific application and the material used to make the tube. The E155 steel grade has a maximum operating temperature of around 200°C, although this can vary depending on the application and the surrounding environment.
It's important to note that pressure and temperature ratings for any steel tube should be determined by a qualified engineer who has taken into account all relevant factors such as the application, environment, and material properties. Additionally, compliance with relevant industry standards such as EN 10305-5 should always be followed to ensure safe and reliable performance.

Surface Treatment

Rectangular steel tubes made from E155 grade steel are commonly used in a variety of industrial applications, including construction, automotive manufacturing, and machinery. To ensure that these tubes are properly protected against corrosion and other types of wear and tear, a surface treatment process is typically applied. Here is a detailed description of the surface treatment process for rectangular steel tube E155, according to the EN-10305-5 standard:
1. Degreasing: The first step in the surface treatment process is to remove any oil, grease, or other contaminants from the surface of the tube. This is typically done by washing the tube in a degreasing solution or by using a solvent.
2. Pickling: The next step is to remove any rust, scale, or other impurities from the surface of the tube. This is done by immersing the tube in an acidic solution, such as hydrochloric acid or sulfuric acid. The acid removes the impurities and creates a clean surface for the next step.
3. Neutralizing: After pickling, the tube is rinsed with water to remove any remaining acid. The tube is then treated with a neutralizing solution to neutralize any residual acid on the surface of the tube.
4. Phosphating: The next step is to create a phosphate coating on the surface of the tube. This is done by immersing the tube in a solution of phosphoric acid and other chemicals. The phosphate coating helps to protect the tube against corrosion and also improves the adhesion of any subsequent coatings.
5. Passivation: After phosphating, the tube is rinsed with water to remove any remaining solution. The tube is then treated with a passivating solution to further protect against corrosion. The passivating solution creates a thin layer of protective oxide on the surface of the tube.
6. Drying: After passivation, the tube is dried to remove any remaining moisture from the surface. This is typically done by blowing hot air over the surface of the tube.
7. Lubrication: Finally, a lubricant is applied to the surface of the tube to improve its machinability and to protect it against any damage during handling and transportation.
Overall, the surface treatment process for rectangular steel tube E155 involves several steps to ensure that the tube is properly protected against corrosion and other types of wear and tear. By following these steps, manufacturers can ensure that their products meet the EN-10305-5 standard and are suitable for use in a wide range of industrial applications.

Standard marking for steel tubes

EN 10305-5 is a European standard for steel tubes for precision applications. The standard specifies the technical delivery conditions for welded cold-drawn steel tubes of circular, square, rectangular or elliptical forms.
In this case, the specific steel tube being referred to is rectangular in shape and has a designation of E155. The designation E155 refers to the steel grade and indicates the minimum yield strength of the material. In this case, the minimum yield strength is 155 N/mm².
The standard marking for the rectangular steel tube E155 according to EN 10305-5 should include the following information:
1. The manufacturer's name or trademark.
2. The designation of the steel tube (E155).
3. The dimensions of the tube, such as the outside diameter, wall thickness, and length.
4. The batch or serial number of the tube.
5. The heat number or identification code of the steel.
6. The standard number (EN 10305-5).
7. The symbol for the process of production (in this case, the symbol for welded cold-drawn steel tubes).
8. The date of manufacture.
The standard marking should be applied to the tube using a permanent method, such as stamping or painting. This information is important for traceability and quality control purposes, as it allows the manufacturer and user to identify the material and track it back to its origin.

Standard packing for steel Tubes

Rectangular steel tubes are commonly used in various applications such as construction, automotive, and furniture manufacturing. E155 is a specific grade of steel that conforms to the European standard EN-10305-5. The standard specifies the technical delivery conditions for seamless cold-drawn steel tubes of circular, square or rectangular cross-section used in hydraulic and pneumatic power systems.
When it comes to the standard packing of rectangular steel tubes E155, it may vary depending on the supplier or manufacturer. However, generally, rectangular steel tubes are packed to ensure safe transportation and prevent damage during transit. The following is a detailed description of the standard packing for rectangular steel tube E155, EN-10305-5:
1. Bundles: Rectangular steel tubes are bundled together using steel straps or plastic straps. The bundles are usually made up of several lengths of tubes with similar dimensions and are tightly secured to prevent any movement during transportation.
2. Wooden Crates: The bundled tubes are then placed inside wooden crates. The crates are made of high-quality wood and are designed to withstand the weight of the tubes and provide protection against moisture and other external elements.
3. Plastic Caps: To prevent any damage to the ends of the tubes, plastic caps are placed on both ends of the tubes. These caps are usually made of high-density polyethylene (HDPE) or similar materials and provide an extra layer of protection against scratches or dents.
4. Labels: Each bundle and crate is labeled with the relevant information, such as the steel grade, dimensions, weight, and manufacturer's name or logo. This labeling ensures easy identification and tracking of the tubes during transportation and handling.
5. Inspection: Before the tubes are packed and shipped, they undergo a rigorous inspection to ensure that they meet the required quality standards. The inspection process includes checking the dimensions, surface finish, and mechanical properties of the tubes.
In conclusion, the standard packing for rectangular steel tube E155, EN-10305-5 involves bundling the tubes, placing them inside wooden crates, adding plastic caps to the ends, labeling the bundles and crates, and conducting a thorough inspection before shipping. This packing method ensures that the tubes are protected during transportation and arrive at their destination in optimal condition.

Supplier

TAP Viet Nam International Investment Joint Stock Company (TAP Viet Nam) is a reputable supplier of rectangular steel tubes, specifically E155 EN-10305-5. The company's dedication to quality and customer satisfaction has helped it establish a strong reputation in the market.
Rectangular steel tubes are essential components in various industries, including construction, automotive, and manufacturing. TAP Viet Nam's rectangular steel tubes are manufactured to meet the high-quality standards set by the European Union. The E155 EN-10305-5 specification guarantees that the tubes have excellent strength and durability, making them ideal for various applications.
One of the key advantages of choosing TAP Viet Nam's rectangular steel tubes is the company's commitment to quality. The company employs stringent quality control measures to ensure that its products meet the highest standards. From sourcing raw materials to the final product, TAP Viet Nam maintains strict quality checks at every stage of the manufacturing process.
TAP Viet Nam also understands the importance of timely delivery to its customers. The company has a well-established supply chain and logistics network, enabling it to deliver its products to customers on time, every time. This ensures that customers can plan their projects efficiently without worrying about delays caused by material shortages.
Furthermore, TAP Viet Nam has a team of highly experienced professionals who are always ready to assist customers with their requirements. The company's sales team is well-equipped to provide technical assistance and advice on the best product options for specific applications. This ensures that customers can make informed decisions and select the most suitable products for their needs.
In conclusion, TAP Viet Nam International Investment Joint Stock Company is a reliable supplier of rectangular steel tubes, specifically E155 EN-10305-5. The company's commitment to quality, timely delivery, and customer service has helped it establish a strong reputation in the market. Whether you are in the construction, automotive, or manufacturing industry, TAP Viet Nam's rectangular steel tubes are an excellent choice for your needs.

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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