Rectangular Steel tube E355, 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 E355, EN-10305-5

The alternative name or alias of a product:

Rectangular Steel tube E355, EN-10305-5

Product Description:

• Steel name: E355 Steel Number 1.0580
• 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.

E355

1.0580

0.22

0,35

1.6

0,025

0, 015

Mechanical Properties

Rectangular steel tubes made from E355 steel, which is a high-strength, low-alloy steel, are commonly used in various industrial applications. The mechanical properties of rectangular steel tubes made from this type of steel are determined by the manufacturing process, as well as the composition of the steel itself.
Here are the mechanical properties of rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard:
1. Tensile strength: The tensile strength of rectangular steel tubes made from E355 steel is typically between 580 and 700 MPa (megapascals), depending on the wall thickness and dimensions of the tube. This high tensile strength makes these tubes suitable for applications where they will be subjected to heavy loads.
2. Yield strength: The yield strength of rectangular steel tubes made from E355 steel is typically between 450 and 630 MPa, depending on the wall thickness and dimensions of the tube. This high yield strength ensures that the tube will not deform or break under stress.
3. Elongation: The elongation of rectangular steel tubes made from E355 steel is typically between 8% and 22%, depending on the wall thickness and dimensions of the tube. This means that the tube can stretch or elongate by a certain amount before breaking, which is important in applications where the tube may be subjected to bending or flexing.
4. Hardness: The hardness of rectangular steel tubes made from E355 steel is typically between 190 and 230 HB (Brinell hardness), depending on the wall thickness and dimensions of the tube. This relatively high hardness ensures that the tube will resist deformation and wear, even in demanding environments.
5. Impact strength: The impact strength of rectangular steel tubes made from E355 steel is typically between 27 and 63 J (joules), depending on the wall thickness and dimensions of the tube. This means that the tube can withstand sudden impacts or shocks without fracturing or breaking.
In summary, rectangular steel tubes made from E355 steel are characterized by high strength, yield strength, and hardness, as well as good elongation and impact strength. These properties make them suitable for use in a wide range of industrial applications, including construction, machinery, and transportation.

Inspection and testing

The inspection and testing of rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard, are important to ensure that they meet the required specifications and are fit for their intended purpose. Here are some of the inspection and testing methods used for rectangular steel tubes made from E355 steel:
1. Visual inspection: This involves checking the appearance of the tube, including the surface condition, dimensions, and tolerances, to ensure that they meet the specified requirements.
2. Dimensional inspection: This involves using calibrated measuring tools to check the dimensions and tolerances of the tube, including the length, width, and thickness, to ensure that they are within the allowable limits.
3. Chemical analysis: This involves testing the composition of the steel used to make the tube, to ensure that it meets the required specifications for E355 steel.
4. Mechanical testing: This involves testing the mechanical properties of the tube, including tensile strength, yield strength, elongation, hardness, and impact strength, to ensure that they meet the specified requirements.
5. Non-destructive testing: This involves using methods such as ultrasonic testing, magnetic particle testing, or dye penetrant testing, to detect any defects or discontinuities in the tube that may affect its performance or safety.
6. Hydrostatic testing: This involves subjecting the tube to a pressure test using water or another liquid, to ensure that it can withstand the specified pressure without leaking or rupturing.
7. Surface finish testing: This involves testing the surface finish of the tube, including roughness, texture, and cleanliness, to ensure that it meets the specified requirements.
8. Corrosion testing: This involves subjecting the tube to a corrosion test, to ensure that it can resist corrosion and other forms of degradation in its intended environment.
In summary, the inspection and testing of rectangular steel tubes made from E355 steel involve a range of methods to ensure that they meet the specified requirements for composition, dimensions, mechanical properties, and performance. These tests are crucial to ensure the quality and safety of the tubes for their intended applications.

Pressure and Temperature Ratings

The pressure rating and temperature limits for rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard, depend on various factors, including the dimensions, wall thickness, and intended application of the tube. Here are some general guidelines for pressure and temperature ratings:
1. Pressure rating: The pressure rating of rectangular steel tubes made from E355 steel depends on the wall thickness and dimensions of the tube. Typically, the pressure rating for rectangular steel tubes made from E355 steel ranges from 160 to 400 bar (2320 to 5800 psi), depending on the tube dimensions. However, the pressure rating may be higher or lower depending on the specific application and any additional factors such as the type of fluid or gas being conveyed.
2. Temperature limits: The temperature limits for rectangular steel tubes made from E355 steel depend on the application and the specific properties of the steel used. In general, E355 steel has a high-temperature resistance, allowing it to operate at temperatures ranging from -20°C to 400°C (-4°F to 752°F) without significant degradation or loss of performance. However, the temperature limits for the tube may be lower if the tube is exposed to extreme or prolonged temperatures, or if the tube is subject to thermal cycling.
It is important to note that the pressure and temperature ratings for rectangular steel tubes made from E355 steel are also affected by factors such as the type of fluid or gas being conveyed, the level of corrosion or erosion in the tube, and the presence of any defects or imperfections. Therefore, it is crucial to follow the manufacturer's recommendations and guidelines for the specific application and to conduct regular inspections and testing to ensure the tube's safety and performance.

Surface Treatment

The surface treatment of rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard, can improve the tube's durability, appearance, and resistance to corrosion or other forms of degradation. Here are some of the surface treatments commonly used for rectangular steel tubes made from E355 steel:
1. Galvanizing: This involves coating the tube with a layer of zinc to protect it from corrosion. Galvanizing can be done by hot-dip galvanizing or electroplating, and it can significantly improve the tube's resistance to corrosion and extend its lifespan.
2. Painting: This involves applying a layer of paint or coating to the tube's surface to protect it from corrosion or other forms of degradation. Painting can also improve the tube's appearance and make it more visible or distinguishable in its intended application.
3. Powder coating: This involves applying a dry powder coating to the tube's surface and then baking it in an oven to create a durable, protective finish. Powder coating is highly resistant to corrosion, abrasion, and chemicals, making it an ideal surface treatment for tubes used in harsh environments.
4. Anodizing: This involves applying a layer of oxide to the tube's surface using an electrochemical process, which can improve the tube's resistance to corrosion and wear. Anodizing can also enhance the tube's appearance and provide a range of colors or finishes.
5. Phosphating: This involves treating the tube's surface with a solution of phosphoric acid, which creates a layer of phosphate coating that can improve the tube's corrosion resistance and adhesion to paint or other coatings.
6. Shot blasting: This involves blasting the tube's surface with small metal particles or other abrasive materials to remove rust, scale, or other contaminants and create a smooth, clean surface. Shot blasting can also improve the adhesion of coatings or paints to the tube's surface.
The choice of surface treatment for rectangular steel tubes made from E355 steel depends on various factors, including the application, environment, and intended lifespan of the tube. It is crucial to select the appropriate surface treatment and follow the manufacturer's recommendations to ensure the tube's performance and longevity.

Standard marking for steel tubes

Rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard, must be marked with certain information to ensure traceability and compliance with the standard. Here are the standard markings required for rectangular steel tubes made from E355 steel:
1. Manufacturer's identification mark: This is the mark or logo of the manufacturer that produces the rectangular steel tube.
2. Steel grade and standard: The steel grade (E355) and the standard (EN 10305-5) must be marked on the tube.
3. Tube size and dimensions: The size and dimensions of the tube must be clearly marked, including the outer dimensions (width and height), wall thickness, and length.
4. Batch or serial number: Each tube must have a unique batch or serial number that allows it to be traced back to its production and testing records.
5. Inspection and testing markings: Any markings related to inspection and testing must be clearly visible on the tube, including the type of testing performed, the date of testing, and any relevant certification or compliance marks.
6. Surface treatment markings: If the tube has undergone any surface treatment, such as galvanizing, painting, or powder coating, the appropriate markings must be applied to indicate the type of treatment and any relevant information about the treatment process.
7. CE marking: Rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard, must carry the CE marking to indicate compliance with the EU Construction Products Regulation.
All markings must be clearly visible, legible, and durable, and they must not obscure any important information or affect the tube's performance or safety. It is essential to follow the standard marking requirements to ensure traceability, compliance, and safety of the rectangular steel tube.

Standard packing for steel Tubes

Rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard, must be packed in a way that ensures their protection during transportation and storage. The standard packing for rectangular steel tubes typically includes the following:
1. Bundles: The tubes are bundled together with steel straps or wire ties to prevent them from moving during transportation. The bundles may contain a specific number of tubes, such as 25, 50, or 100, depending on the size and weight of the tubes.
2. Plastic caps: Plastic caps are placed on both ends of each tube to protect them from damage and prevent moisture or dirt from entering the tube.
3. Labeling: Each bundle must be labeled with the manufacturer's identification mark, steel grade and standard, tube size and dimensions, and batch or serial number.
4. Packaging material: The bundles are usually wrapped with plastic or paper to provide additional protection against moisture and dust.
5. Wooden crates: For larger quantities or heavier tubes, wooden crates may be used to provide extra protection during transportation and storage.
It is essential to ensure that the packing materials are strong enough to support the weight of the tubes and that the bundles are secured properly to prevent them from shifting or falling during transportation. Additionally, it is important to follow any specific packaging and labeling requirements provided by the manufacturer or the customer to ensure the safe and efficient delivery of the rectangular steel tubes.

Supplier

TAP Viet Nam International Investment Joint Stock Company (TAP Viet Nam) is a leading supplier of rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard. The company has established a reputation for providing high-quality steel tubes to customers in various industries, including automotive, construction, and manufacturing.
E355 steel is a high-strength, low-alloy (HSLA) steel that is ideal for use in applications that require high strength and durability. The EN 10305-5 standard specifies the technical delivery conditions for steel tubes made from E355 steel, including their dimensions, tolerances, and mechanical properties. Rectangular steel tubes made from E355 steel are typically used in structural applications, such as in the construction of buildings, bridges, and other infrastructure.
TAP Viet Nam offers a wide range of rectangular steel tubes made from E355 steel, with different sizes, dimensions, and wall thicknesses to meet the diverse needs of customers. The company uses advanced manufacturing processes and equipment to produce high-quality steel tubes that meet or exceed the EN 10305-5 standard and other relevant industry standards and specifications.
In addition to the high-quality products, TAP Viet Nam also provides exceptional customer service and support to ensure that customers receive the right products at the right time and at competitive prices. The company has a team of experienced professionals who are dedicated to helping customers with their steel tube needs, from product selection to delivery and logistics.
TAP Viet Nam is committed to sustainability and environmental responsibility, and it takes measures to minimize the environmental impact of its operations and products. The company also invests in research and development to continuously improve its products and processes and to stay ahead of the competition.
In conclusion, TAP Viet Nam International Investment Joint Stock Company is a trusted supplier of rectangular steel tubes made from E355 steel, according to the EN 10305-5 standard. With its commitment to quality, customer service, and sustainability, the company is well-positioned to meet the growing demand for high-quality steel tubes in various industries.

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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