Rectangular Steel tube E550, 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 E550, EN-10305-5

The alternative name or alias of a product:

Rectangular Steel tube E550, EN-10305-5

Product Description:

• Steel name: E550 Steel Number 1.0593
• 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.

E550

1.0593

0.16

0.55

1.8

0,025

0, 015

Mechanical Properties

Rectangular steel tube E550, EN-10305-5 is a high-strength steel tube with a rectangular cross-section. This steel tube is made from carbon steel with an E550 grade, which is a designation for the minimum yield strength of 550 MPa (megapascals). The tube is produced using a cold-drawn seamless process, which results in a tube with a smooth and uniform surface finish.
The mechanical properties of rectangular steel tube E550, EN-10305-5 are as follows:
1. Tensile strength: The tensile strength of this steel tube is at least 650 MPa. This means that the tube can withstand a significant amount of stress or pulling force before it starts to deform or break.
2. Yield strength: The yield strength of rectangular steel tube E550, EN-10305-5 is at least 550 MPa. This is the point at which the steel tube starts to deform or change shape permanently under stress.
3. Elongation: The elongation of the steel tube is a measure of its ability to stretch before it breaks. The elongation of rectangular steel tube E550, EN-10305-5 is at least 10%. This means that the tube can stretch up to 10% of its original length before it breaks.
4. Hardness: The hardness of the steel tube is a measure of its resistance to deformation. The hardness of rectangular steel tube E550, EN-10305-5 is typically in the range of 180-210 HB (Brinell hardness).
5. Impact strength: The impact strength of the steel tube is a measure of its ability to resist sudden shocks or impacts. The impact strength of rectangular steel tube E550, EN-10305-5 is typically in the range of 30-70 J (joules).
6. Fatigue strength: The fatigue strength of the steel tube is a measure of its ability to resist repeated loading and unloading cycles. The fatigue strength of rectangular steel tube E550, EN-10305-5 is typically in the range of 350-450 MPa.
In summary, rectangular steel tube E550, EN-10305-5 is a high-strength steel tube with excellent mechanical properties, including high tensile and yield strength, good elongation, hardness, impact strength, and fatigue strength. These properties make it suitable for use in a wide range of applications, including structural, automotive, and mechanical engineering.

Inspection and testing

The inspection and testing of rectangular steel tube E550, EN-10305-5 are essential to ensure that the tube meets the required quality and safety standards. Here are the key inspection and testing methods used for this type of steel tube:
1. Visual inspection: The first step in the inspection process is a visual inspection of the steel tube. The inspector checks the tube's surface finish, dimensions, and straightness. Any defects, such as scratches, dents, or cracks, are identified and recorded.
2. Dimensional inspection: The tube's dimensions, including length, width, and thickness, are measured using calibrated measuring tools, such as calipers or micrometers. The measurements are compared to the required specifications to ensure that the tube meets the dimensional requirements.
3. Chemical composition analysis: The chemical composition of the steel is analyzed to ensure that it meets the required specifications. This is typically done using an optical emission spectrometer or a mass spectrometer.
4. Tensile testing: Tensile testing is used to determine the tube's mechanical properties, such as tensile strength and yield strength. A sample of the tube is cut and placed in a tensile testing machine, which applies a gradually increasing load until the tube fractures. The load and elongation data are recorded, and the mechanical properties are calculated.
5. Hardness testing: The hardness of the steel tube is measured using a hardness tester, such as a Brinell or Rockwell hardness tester. The test involves indenting the steel surface with a hard ball or diamond point, and the depth of the indentation is measured to determine the hardness.
6. Charpy impact testing: Charpy impact testing is used to determine the impact strength of the steel tube. A notched sample of the tube is placed in a pendulum impact tester, and a weight is dropped onto the sample to produce a sudden impact. The energy absorbed by the sample is measured and used to calculate the impact strength.
7. Ultrasonic testing: Ultrasonic testing is used to detect any internal defects, such as voids, cracks, or inclusions, that may not be visible during the visual inspection. This method uses high-frequency sound waves to penetrate the steel tube, and any reflections or echoes are analyzed to detect any defects.
8. Magnetic particle testing: Magnetic particle testing is used to detect any surface or near-surface defects in the steel tube. The tube is magnetized, and iron oxide particles are applied to the surface. Any defects will create a magnetic field, which attracts the iron oxide particles and makes them visible.
In summary, the inspection and testing of rectangular steel tube E550, EN-10305-5 involve a range of methods to ensure that the tube meets the required quality and safety standards. These methods include visual inspection, dimensional inspection, chemical composition analysis, tensile testing, hardness testing, Charpy impact testing, ultrasonic testing, and magnetic particle testing.

Pressure and Temperature Ratings

The pressure rating and temperature limits for rectangular steel tube E550, EN-10305-5 depend on several factors, including the tube's dimensions, wall thickness, and application. Here is a general guideline for the pressure rating and temperature limits for rectangular steel tube E550, EN-10305-5:
1. Pressure rating: The pressure rating for rectangular steel tube E550, EN-10305-5 depends on the tube's dimensions and wall thickness. The pressure rating is typically calculated using the Barlow's formula, which takes into account the tube's dimensions, wall thickness, and allowable stress. The maximum pressure rating for this steel tube is usually around 400 bar (5800 psi).
2. Temperature limits: The temperature limits for rectangular steel tube E550, EN-10305-5 depend on the tube's application and the material's properties. The steel tube's minimum and maximum operating temperatures are typically specified by the application's requirements. In general, this steel tube can operate at temperatures ranging from -20°C to 250°C (-4°F to 482°F).
It's important to note that these pressure and temperature limits are general guidelines and may vary depending on the specific application and operating conditions. The tube's pressure and temperature limits should be determined by a qualified engineer or according to applicable standards, codes, and regulations.

Surface Treatment

Rectangular steel tube E550, EN-10305-5 is commonly used in a wide range of applications, including construction, automotive, and manufacturing. Surface treatment of the steel tube is often required to improve its appearance, durability, and corrosion resistance. Here are some of the common surface treatments used for rectangular steel tube E550, EN-10305-5:
1. Galvanizing: Galvanizing is a popular surface treatment for rectangular steel tube E550, EN-10305-5. The steel tube is coated with a layer of zinc, which provides excellent corrosion resistance and protection against rust. Galvanizing can be done using either a hot-dip galvanizing process or an electroplating process.
2. Powder coating: Powder coating is another popular surface treatment for rectangular steel tube E550, EN-10305-5. The steel tube is first cleaned and then coated with a dry powder coating, which is then cured using heat. Powder coating provides a durable, long-lasting finish that is resistant to chipping, scratching, and fading.
3. Painting: Painting is a common surface treatment for rectangular steel tube E550, EN-10305-5. The steel tube is first cleaned and then coated with a layer of paint, which can be either oil-based or water-based. Painting provides a decorative finish and can also provide some degree of corrosion protection.
4. Anodizing: Anodizing is a surface treatment process that involves creating a protective oxide layer on the surface of the steel tube. The steel tube is first cleaned and then immersed in an electrolytic solution, where an electric current is passed through it. This process creates a layer of oxide on the surface of the steel tube, which provides corrosion resistance and can also improve its appearance.
5. Passivation: Passivation is a process that is used to remove surface contaminants from the steel tube, such as rust, oil, and grease. The steel tube is first cleaned and then treated with a solution of nitric acid, which removes any surface contaminants and creates a thin oxide layer on the surface of the steel tube. This oxide layer provides corrosion resistance and helps to prevent future corrosion.
In summary, the surface treatment of rectangular steel tube E550, EN-10305-5 can be done using a range of methods, including galvanizing, powder coating, painting, anodizing, and passivation. The choice of surface treatment depends on the specific application, and factors such as durability, appearance, and corrosion resistance need to be considered.

Standard marking for steel tubes

Rectangular steel tube E550, EN-10305-5 is a standardized product that must be marked in accordance with the applicable regulations and standards. Here is a general guideline for the standard marking of rectangular steel tube E550, EN-10305-5:
1. Manufacturer's mark: The manufacturer's mark should be clearly and permanently marked on the tube. This mark usually includes the manufacturer's name or trademark, and may also include the production batch number or other identification information.
2. Tube size and dimensions: The tube size and dimensions should be clearly marked on the tube. This includes the outer dimensions, wall thickness, and length of the tube. The markings should be accurate and legible.
3. Steel grade: The steel grade used to manufacture the tube should be marked on the tube. In the case of rectangular steel tube E550, EN-10305-5, the steel grade is E550, which refers to the minimum yield strength of the steel.
4. Standard designation: The standard designation should be marked on the tube. In the case of rectangular steel tube E550, EN-10305-5, the standard designation is EN-10305-5, which specifies the technical delivery conditions for steel tubes.
5. Heat number: The heat number is a unique identification number that is assigned to each production batch of the tube. The heat number should be clearly marked on the tube, and can be used to trace the production history of the tube.
6. Additional markings: Additional markings may be required depending on the specific application and regulatory requirements. For example, if the tube is intended for use in a pressure vessel, additional markings may be required to indicate the maximum pressure rating and temperature limits.
In summary, the standard marking of rectangular steel tube E550, EN-10305-5 includes the manufacturer's mark, tube size and dimensions, steel grade, standard designation, heat number, and any additional markings required by the application or regulatory requirements. The markings should be accurate, legible, and permanently marked on the tube.

Standard packing for steel Tubes

Rectangular steel tube E550, EN-10305-5 is typically packed in a way that ensures its protection during transportation and storage. The standard packing method for rectangular steel tube E550, EN-10305-5 includes the following steps:
1. Bundling: Rectangular steel tube E550, EN-10305-5 is usually bundled together using steel straps or plastic straps. The bundles should be tight enough to prevent the tubes from shifting or rubbing against each other during transportation.
2. End protection: The ends of the rectangular steel tubes should be protected using plastic or metal caps to prevent damage during transportation and handling.
3. Wrapping: Rectangular steel tube E550, EN-10305-5 is often wrapped with a moisture-resistant material, such as plastic film or paper, to protect it from moisture and other environmental factors.
4. Marking: The bundles should be marked with clear and legible labels that include information such as the manufacturer's name, the size and dimensions of the tubes, the steel grade, the standard designation, and the heat number.
5. Stacking: The bundles of rectangular steel tube E550, EN-10305-5 should be stacked on pallets or in containers in a way that ensures stability and prevents damage to the tubes.
It is important to note that the standard packing method for rectangular steel tube E550, EN-10305-5 may vary depending on the manufacturer and the specific application requirements. Additional protective measures, such as foam padding or wooden crates, may be used to provide extra protection during transportation and storage.
In summary, the standard packing method for rectangular steel tube E550, EN-10305-5 involves bundling the tubes together, protecting the ends, wrapping them with a moisture-resistant material, marking the bundles with clear labels, and stacking them in a way that ensures stability and prevents damage.

Supplier

TAP Viet nam International Investment Joint Stock Company (TAP Viet nam) is a leading supplier of high-quality rectangular steel tubes. With years of experience in the steel industry, TAP Viet nam is committed to providing its customers with the best possible products and services.
One of the products offered by TAP Viet nam is rectangular steel tube E550, EN-10305-5. This product is manufactured to meet the technical delivery conditions specified in the EN-10305-5 standard, which ensures that the tube meets the required quality standards and performance specifications.
Rectangular steel tube E550, EN-10305-5 is made from high-strength steel that has a minimum yield strength of 550 MPa. This makes it suitable for use in a wide range of applications that require high-strength and durability, such as construction, automotive, and mechanical engineering.
One of the key advantages of rectangular steel tube E550, EN-10305-5 is its excellent mechanical properties. The high-strength steel used in its manufacture makes it resistant to deformation and damage, even under heavy loads and high-stress conditions. Additionally, the rectangular shape of the tube allows for greater structural stability and load-bearing capacity than other types of tubes.
Another advantage of rectangular steel tube E550, EN-10305-5 is its versatility. It can be easily cut, welded, and formed to meet specific design requirements, making it a popular choice for a variety of applications. Furthermore, it is available in a range of sizes and dimensions, making it suitable for use in both large-scale and small-scale projects.
TAP Viet nam is committed to providing its customers with high-quality products and services. Its rectangular steel tube E550, EN-10305-5 is manufactured to the highest standards of quality and performance, and is backed by a team of experts who are dedicated to ensuring customer satisfaction. TAP Viet nam offers competitive pricing, timely delivery, and excellent customer service, making it a trusted supplier of steel tubes in the Vietnamese market.
In conclusion, TAP Viet nam International Investment Joint Stock Company is a reliable and reputable supplier of rectangular steel tube E550, EN-10305-5. Its commitment to quality, performance, and customer satisfaction make it a top choice for customers in the construction, automotive, and mechanical engineering 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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