Seamless Steel tube E215, EN 10305-4

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 tolerances Steel Tubes EN 10305-4

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Product Name:

Seamless Steel tube E215, EN 10305-4

The alternative name or alias of a product:

Seamless Steel pipe E215, EN 10305-4

SMLS tube E215, EN 10305-4

Product Description:

Seamless cold drawn tubes for hydraulic and pneumatic power system
• Material: E215, Steel Number 1.0212
• Type: Seamless (SMLS)
•Standard EN 10305-4
• Size:
• Outer Diameter (OD): OD4 to OD80
• Wall Thickness (WT): 0.5mm to 12.5mm
• Length: 6000mm To 12000mm and the length according to customer's request
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.

E215

1.0212

0,10

0,05

0,70

0,025

0,015

0,025

Mechanical Properties

Seamless steel tube E215 is a grade of steel tube that conforms to the European standard EN 10305-4. This standard specifies the technical delivery conditions for seamless cold drawn steel tubes of circular cross section for precision applications.
The mechanical properties of seamless steel tube E215 include the following:
1. Tensile strength: The minimum tensile strength of E215 seamless steel tube is 430 N/mm². Tensile strength is the maximum amount of stress that a material can withstand before it breaks.
2. Yield strength: The minimum yield strength of E215 seamless steel tube is 215 N/mm². Yield strength is the amount of stress that a material can withstand before it begins to deform plastically.
3. Elongation: The minimum elongation of E215 seamless steel tube is 16%. Elongation is the percentage increase in length of a material before it breaks under tensile stress.
4. Impact strength: The minimum impact strength of E215 seamless steel tube is 27 J at 20°C. Impact strength is the amount of energy required to break a material under impact loading.
5. Hardness: The hardness of E215 seamless steel tube is 170 HB max. Hardness is a measure of the resistance of a material to indentation or scratching.
6. Fatigue strength: The fatigue strength of E215 seamless steel tube is not specified in the EN 10305-4 standard, but it is typically determined experimentally by subjecting the material to cyclic loading and measuring the number of cycles required to cause failure.
Overall, seamless steel tube E215 has good mechanical properties that make it suitable for use in precision applications where high dimensional accuracy and tight tolerances are required.

Inspection and testing

Seamless steel tubes made of E215 grade steel, which conform to EN 10305-4 standard, are typically used for applications that require high precision and smoothness in the internal and external surfaces of the tubes. These tubes are often used in hydraulic and pneumatic systems, where they are subjected to high pressure and stress.
Inspection and testing of seamless steel tubes made of E215 grade steel are crucial to ensure that they meet the specified requirements of the EN 10305-4 standard. The following are some of the key inspection and testing methods that are commonly used:
1. Visual inspection: Visual inspection is the first step in the testing process. The surface of the tube should be visually inspected for any defects, such as scratches, cracks, or corrosion. The dimensions of the tube, such as length, diameter, and wall thickness, should also be checked.
2. Chemical analysis: A chemical analysis of the steel used to make the tube should be performed to ensure that it meets the specified composition requirements of the EN 10305-4 standard.
3. Mechanical testing: Mechanical testing is carried out to check the mechanical properties of the tube. This includes tensile testing, where a sample of the tube is subjected to a tensile load until it breaks. The yield strength, ultimate tensile strength, and elongation of the tube are determined from the test results.
4. Flattening test: A flattening test is performed to check the ductility of the tube. The tube is flattened between two plates until it forms a specified angle. The angle of deformation is then measured to ensure that it meets the requirements of the EN 10305-4 standard.
5. Hardness testing: A hardness test is carried out to measure the hardness of the tube. This is done by pressing a diamond-tipped indenter into the surface of the tube and measuring the depth of the indentation. The hardness of the tube is then calculated using a formula.
6. Ultrasonic testing: Ultrasonic testing is used to detect any internal defects in the tube, such as cracks, voids, or inclusions. A high-frequency sound wave is passed through the tube, and any reflections or echoes are detected and analyzed.
7. Eddy current testing: Eddy current testing is used to detect any surface defects in the tube. An alternating current is passed through a coil that is placed close to the surface of the tube. Any changes in the current caused by defects in the tube are detected and analyzed.
Overall, inspection and testing of seamless steel tubes made of E215 grade steel are critical to ensure their quality, reliability, and safety in various applications. By using these testing methods, manufacturers can ensure that the tubes meet the strict requirements of the EN 10305-4 standard and perform as expected under high-pressure and high-stress conditions.

Pressure and Temperature Ratings

Seamless steel tube E215 is a high-quality, low-alloyed, cold-drawn precision steel tube that conforms to the European standard EN 10305-4. This standard specifies the technical delivery conditions for seamless cold drawn steel tubes of circular cross-section for precision applications.
The pressure rating of the seamless steel tube E215 depends on several factors, including the outer diameter, wall thickness, and material properties. Generally, the pressure rating is calculated using the Barlow's formula, which takes into account the tube's dimensions and material properties, along with the maximum allowable stress for the particular application. The pressure rating of E215 tubes can vary from a few hundred bar to several thousand bars, depending on the specific application requirements.
The temperature rating of seamless steel tube E215 is also dependent on the application and the material properties. The maximum operating temperature of the tube is typically determined by the material's melting point, the tube's dimensions, and the maximum allowable stress at the operating temperature. E215 steel has a melting point of approximately 1420-1460°C, which means that it can withstand high temperatures without melting or deforming.
In general, seamless steel tube E215 is suitable for use in a wide range of applications, including hydraulic and pneumatic systems, automotive industry, and mechanical engineering. However, it is essential to consider the pressure and temperature requirements of the specific application to determine the appropriate pressure rating and temperature range for E215 tubes. It is also important to follow the manufacturer's specifications and guidelines to ensure safe and reliable operation.

Surface Treatment

Seamless steel tube E215 is a low carbon steel tube that is widely used in various applications such as hydraulic and pneumatic systems, automotive industry, and mechanical engineering. To improve its properties and performance, it undergoes surface treatment.
The surface treatment process of seamless steel tube E215 involves several steps, including:
1. Cleaning: The first step is to clean the surface of the tube to remove any dirt, oil, or rust. This is typically done by using a cleaning solution or by blasting the surface with a high-pressure air or water.
2. Pickling: After cleaning, the tube is immersed in a pickling solution, which removes any remaining scale, rust, or other impurities from the surface. This process also helps to improve the adhesion of subsequent coatings or treatments.
3. Passivation: Once the tube has been pickled, it is rinsed with water and then immersed in a passivation solution. This helps to create a protective oxide layer on the surface of the tube, which prevents further corrosion.
4. Coating: Depending on the application, the tube may be coated with a variety of different materials to improve its properties. For example, it may be coated with a layer of zinc to improve its corrosion resistance, or with a layer of paint to improve its appearance.
5. Inspection: Finally, the tube is inspected to ensure that it meets the required specifications and standards. This may involve visual inspection, dimensional inspection, or non-destructive testing methods such as ultrasonic or eddy current testing.
The surface treatment process of seamless steel tube E215 is critical to its performance and longevity. By removing impurities, creating a protective layer, and applying coatings, the tube is able to resist corrosion, wear, and other forms of damage, and can provide reliable service in a wide range of applications.

Standard marking for steel tubes

Seamless Steel Tube E215 is a type of seamless cold-drawn precision steel tube that conforms to the European standard EN 10305-4. This standard specifies the technical delivery conditions for seamless cold-drawn steel tubes of circular cross-section for precision applications.
The marking of Seamless Steel Tube E215, EN 10305-4 should include the following information:
1.Manufacturer's name or trademark
2. EN 10305-4 standard designation
3. Size of the tube (outer diameter x wall thickness in millimeters)
4. Steel grade (E215)
5. Heat number or batch number
6. Traceability code or identification number
7. Additional customer-specific markings (if applicable)
The manufacturer's name or trademark and the standard designation should be marked on the tube using indelible ink or embossed markings. The size of the tube, steel grade, heat number, and traceability code or identification number should be marked on a tag or label attached to the tube.
The steel grade E215 specifies a minimum yield strength of 215 N/mm² and a minimum tensile strength of 290-430 N/mm². This steel grade is suitable for use in precision mechanical engineering and in hydraulic and pneumatic power systems.
Overall, the marking of Seamless Steel Tube E215, EN 10305-4 is important to ensure that the tube meets the required specifications and to enable traceability throughout the supply chain.

Standard packing for steel Tubes

Seamless steel tubes are widely used in various industries, including automotive, mechanical engineering, and construction. The standard packing for seamless steel tube E215, EN 10305-4, involves several steps to ensure safe transportation and delivery of the product.
1. Bundling: The seamless steel tubes are bundled together using strong steel straps or wires. The number of tubes in each bundle depends on the size and weight of the tubes. The bundling process ensures that the tubes remain together and do not move during transportation, minimizing the risk of damage.
2. End protection: The ends of the tubes are protected using plastic caps. These caps prevent dust, dirt, and moisture from entering the tubes, which can cause corrosion and other damage. The caps also provide extra protection during handling and transportation.
3. Marking: Each bundle of tubes is marked with a label that contains important information about the product, including the material grade, size, and length. This information helps the customer identify the tubes and ensures that they receive the correct product.
4. Inspection: Before packing, the seamless steel tubes undergo a thorough inspection to ensure that they meet the quality standards specified by EN 10305-4. This includes visual inspection, dimensional checks, and testing for mechanical properties.
5. Packaging: The bundled and protected tubes are placed into a wooden crate or steel frame. The packaging is designed to provide additional protection during transportation and to prevent the tubes from moving or shifting. The packaging also makes it easier to handle and store the tubes.
6. Shipping: The packaged tubes are then shipped to the customer using a suitable mode of transportation, such as truck or container ship. During transportation, the tubes are handled with care to prevent any damage or deformation.
In summary, the standard packing for seamless steel tube E215, EN 10305-4, involves bundling, end protection, marking, inspection, packaging, and shipping. These steps ensure that the product is delivered to the customer in a safe and secure manner, minimizing the risk of damage and ensuring customer satisfaction.

Supplier

TAP Viet nam International Investment Joint Stock Company (TAP Viet nam) is a well-known supplier of Seamless Steel Tube E215, EN 10305-4. The company specializes in providing high-quality steel tubes for a variety of applications in different industries. With years of experience in the steel industry, TAP Viet nam has become a trusted name among customers worldwide.
Seamless Steel Tube E215, EN 10305-4 is a high-precision, seamless cold-drawn tube that is widely used in the manufacturing of hydraulic and pneumatic systems. It is made from high-quality steel and is designed to withstand high pressures and extreme temperatures. The tube is also resistant to corrosion, making it suitable for use in harsh environments.
TAP Viet nam offers a wide range of Seamless Steel Tube E215, EN 10305-4 in different sizes and specifications to meet the varied needs of its customers. The company ensures that all its products are of the highest quality and conform to international standards. The tubes are manufactured using the latest technology and are subject to rigorous quality control measures to ensure that they meet the highest standards of quality and performance.
In addition to its high-quality products, TAP Viet nam is also known for its excellent customer service. The company has a team of experienced professionals who are dedicated to providing the best possible service to its customers. They work closely with customers to understand their specific needs and requirements and provide them with customized solutions that meet their unique needs.
TAP Viet nam has a strong reputation for reliability and efficiency. The company has established long-term relationships with its customers, many of whom have been with the company for many years. This is a testament to the company's commitment to providing high-quality products and excellent customer service.
In conclusion, TAP Viet nam International Investment Joint Stock Company (TAP Viet nam) is a leading supplier of Seamless Steel Tube E215, EN 10305-4. The company's commitment to quality and customer service has made it a trusted name among customers worldwide. With its wide range of high-quality products and excellent customer service, TAP Viet nam is well-positioned to meet the needs of customers in a variety of industries.

Sizes and tolerances Steel Tubes EN 10305-4 EN 10305-4 is a standard that specifies the technical delivery conditions for seamless cold-drawn steel tubes of circular cross-section used in hydraulic and pneumatic power systems. The standard provides specific requirements for the dimensions and tolerances of the steel tubes. Dimensions refer to the physical characteristics of the steel tube, such as its outer diameter, wall thickness, and length. EN 10305-4 specifies the permissible tolerances for these dimensions. The outer diameter (OD) of the tube can range from 4mm to 250mm, with tolerances depending on the size of the tube. For example, tubes with an OD of less than 10mm have a tolerance of +/- 0.08mm, while tubes with an OD of 150mm to 250mm have a tolerance of +/- 1.5%. The wall thickness of the tube is also specified in the standard, with tolerances depending on the size of the tube and the type of production method used (e.g. cold drawn or cold rolled). For example, tubes with a wall thickness of less than 3mm have a tolerance of +/- 10% of the nominal wall thickness, while tubes with a wall thickness greater than 3mm have a tolerance of +/- 0.15mm. The length of the tube is specified in the standard as well, with a maximum length of 8 meters. The standard also specifies the permissible deviation from the specified length, which is +/- 500mm for tubes up to 7 meters in length and +/- 1% of the length for tubes longer than 7 meters. Tolerances refer to the acceptable variations from the specified dimensions of the steel tube. In addition to the tolerances specified for the dimensions, EN 10305-4 also specifies tolerances for straightness, ovality, and surface roughness. Straightness refers to the deviation of the tube from a straight line. The standard specifies the maximum permissible deviation from straightness as 0.3mm per meter of tube length. Ovality refers to the deviation of the tube's cross-section from a circular shape. The standard specifies the maximum permissible ovality as 1% of the OD for tubes with an OD of up to 100mm, and 0.5% of the OD for tubes with an OD greater than 100mm. Surface roughness refers to the texture of the tube's surface, which can affect its ability to form a tight seal in hydraulic and pneumatic systems. The standard specifies the maximum permissible roughness as 0.4 micrometers for tubes with an OD of up to 40mm, and 0.8 micrometers for tubes with an OD greater than 40mm. Overall, the dimensions and tolerances specified in EN 10305-4 ensure that the steel tubes meet the necessary requirements for use in hydraulic and pneumatic power systems, where precision and reliability are essential.


















Sizes and tolerances Steel Tubes EN 10305-4
Specified outside diameter D with tolerance		Specified inside diameter d with tolerance		Specified wall thickness T with tolerance
4	±0,08	3	±0,15	0.5	±0,10
4	±0,08	2	±0,15	1	±0,10
5	±0,08	3.5	±0,15	0.75	±0,10
5	±0,08	3	±0,15	1	±0,10
6	±0,08	4	±0,12	1	±0,10
		3	±0,15	1.5	±0,15
		2	±0,15	2	±0,20
8	±0,08	6	±0,10	1	±0,10
		5	±0,10	1.5	±0,15
		4	±0,15	2	±0,20
		3	±0,15	2.5	±0,25
10	±0,08	8	±0,08	1	±0,10
		7	±0,12	1.5	±0,15
		6	±0,15	2	±0,20
		5	±0,15	2.5	±0,25
12	±0,08	10	±0,08	1	±0,10
		9	±0,10	1.5	±0,15
		8	±0,12	2	±0,20
		7	±0,15	2.5	±0,25
		6	±0,15	3	±0,30
14	±0,08	12	±0,08	1	±0,10
		11	±0,08	1.5	±0,15
		10	±0,10	2	±0,20
		9	±0,12	2.5	±0,25
		8	±0,15	3	±0,30
15	±0,08	13	±0,08	1	±0,10
		12	±0,08	1.5	±0,15
		11	±0,10	2	±0,20
		10	±0,12	2.5	±0,25
		9	±0,15	3	±0,30
16	±0,08	14	±0,08	1	±0,10
		13	±0,08	1.5	±0,15
		12	±0,10	2	±0,20
		11	±0,12	2.5	±0,25
		10	±0,15	3	±0,30
18	±0,08	16	±0,08	1	±0,10
		15		1.5	±0,15
		14		2	±0,20
		13	±0,15	2.5	±0,25
		12	±0,15	3	±0,30
20	±0,08	17	±0,08	1.5	±0,15
		16	±0,08	2	±0,20
		15	±0,15	2.5	±0,25
		14		3	±0,30
		13		3.5	±0,35
		12		4	±0,40
22	±0,08	20	±0,08	1	±0,10
		19		1.5	±0,15
		18		2	±0,20
		17		2.5	±0,25
		16	±0,15	3	±0,30
		15		3.5	±0,35
		14		4	±0,40
25	±0,08	22	±0,08	1.5	±0,15
		21		2	±0,20
		20		2.5	±0,25
		19	±0,15	3	±0,30
		17		4	±0,40
		16		4.5	±0,45
		15		5	±0,50
28	±0,08	25	±0,08	1.5	±0,15
		24		2	±0,20
		23		2.5	±0,25
		22	±0,15	3	±0,30
		20		4	±0,40
		18		5	±0,50
30	±0,08	26	±0,08	2	±0,20
		25	±0,08	2.5	±0,25
		24	±0,15	3	±0,30
		22		4	±0,40
		20		5	±0,50
		18		6	±0,60
35	±0,15	31	±0,15	2	±0,20
		30		2.5	±0,25
		29		3	±0,30
		27		4	±0,40
		25		5	±0,50
		23		6	±0,60
38	±0,15	34	±0,15	2	±0,20
		33		2.5	±0,25
		32		3	±0,30
		30		4	±0,40
		28		5	±0,50
		26		6	±0,60
		24		7	±0,70
		22		8	±0,80
42	±0,20	38	±0,20	2	±0,20
		36		3	±0,30
		34		4	±0,40
		32		5	±0,50
		30		6	±0,60
		26		8	±0,80
50	±0,20	42	±0,20	4	±0,40
		40		5	±0,50
		38		6	±0,60
		34		8	±0,80
		32		9	±0,90
		30		10	±1,00
55	±0,25	47	±0,25	4	±0,40
		43		6	±0,60
		39		8	±0,80
		35		10	±1,00
60	±0,25	50	±0,25	5	±0,50
		44		8	±0,80
		40		10	±1,00
		35		12.5	±1,25
70	±0,30	60	±0,30	5	±0,50
		54		8	±0,80
		50		10	±1,00
		45		12.5	±1,25
80	±0,35	68	±0,35	6	±0,60
		64		8	±0,80
		60		10	±1,00
		55		12.5	±1,25

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