Welded Steel tube E155, EN 10305-6

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. Welded cold drawn Steel tubes EN 10305-6

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Product Name:

Welded Steel tube E155, EN 10305-6

The alternative name or alias of a product:

Welded Steel pipe E155, EN 10305-6

ERW tube E155, EN 10305-6

Product Description:

Welded cold drawn tubes for hydraulic and pneumatic power systems
• Material: E155, Steel Number 1.0033
• Type: Welded (ERW)
•Standard EN 10305-6
• Size:
• Outer Diameter (OD): OD4 to OD80
• Wall Thickness (WT): 0.5mm to 10mm
• 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.

E155

1.0033

0,11

0,35

0,70

0,025

0,015

Mechanical Properties

Welded steel tube E155, also known as EN 10305-6, is a precision welded steel tube that is primarily used in mechanical engineering applications. This type of steel tube is characterized by its high strength and excellent resistance to deformation and cracking. Here are some of the key mechanical properties of welded steel tube E155:
1.Tensile strength: The tensile strength of welded steel tube E155 is typically in the range of 400-580 MPa, depending on the specific grade and manufacturing process. This means that the tube can withstand a significant amount of pulling force before breaking or deforming.
2. Yield strength: The yield strength of welded steel tube E155 is typically in the range of 215-360 MPa. This is the amount of stress that the tube can withstand before it begins to deform plastically (i.e., without returning to its original shape).
3. Elongation: The elongation of welded steel tube E155 is typically in the range of 6-25%, depending on the specific grade and manufacturing process. This refers to the amount of stretching that the tube can undergo before breaking.
4. Hardness: The hardness of welded steel tube E155 is typically in the range of 130-190 HV, depending on the specific grade and manufacturing process. This is a measure of the tube's resistance to indentation or scratching.
5. Impact strength: The impact strength of welded steel tube E155 is typically in the range of 27-60 J, depending on the specific grade and manufacturing process. This refers to the amount of energy that the tube can absorb before breaking or cracking when subjected to a sudden impact.
Overall, welded steel tube E155 is a high-strength and durable material that is suitable for a wide range of mechanical engineering applications. Its excellent mechanical properties make it particularly well-suited for use in high-stress environments where deformation and cracking are a concern.

Inspection and testing

Welded steel tube E155, EN 10305-6 is a standard for electric resistance welded (ERW) cold drawn precision tubes made from non-alloyed and alloyed steel with specified properties. These tubes are commonly used in mechanical and automotive engineering applications where dimensional accuracy, surface quality, and high strength are required.
Inspection and testing of welded steel tube E155, EN 10305-6 are crucial to ensure that the product meets the required standards and specifications. The following are some of the common inspection and testing methods used for welded steel tube E155:
1. Visual Inspection: This is a non-destructive testing method used to examine the surface of the tube for any defects or irregularities such as cracks, seams, and surface discontinuities. The tube is inspected visually for its size, shape, surface finish, and the presence of any surface defects that could affect its functionality.
2. Dimensional Inspection: This is another non-destructive testing method used to ensure that the tube conforms to the specified dimensions and tolerances. The tube's outer diameter, wall thickness, and length are measured and compared against the required tolerances.
3. Chemical Analysis: This is a destructive testing method used to determine the chemical composition of the tube. Samples are taken from the tube and analyzed for the presence of elements such as carbon, manganese, silicon, and sulfur, among others.
4. Mechanical Testing: This is a destructive testing method used to determine the tube's mechanical properties such as tensile strength, yield strength, and elongation. The tube is subjected to tension or compression tests, and the results are compared against the specified requirements.
5. Non-destructive Testing: This method involves using specialized equipment to test the tube for defects or irregularities that may not be visible to the naked eye. Ultrasonic testing, magnetic particle testing, and eddy current testing are some of the commonly used non-destructive testing methods.
In conclusion, inspection and testing of welded steel tube E155, EN 10305-6 are critical to ensure that the tube meets the required standards and specifications. These tests help to ensure that the tube is of high quality, safe, and fit for its intended purpose.

Pressure and Temperature Ratings

Welded Steel Tube E155, EN 10305-6 is a precision steel tube that is used in various applications where high precision and accuracy are required. This steel tube is manufactured using a welding process that ensures the tube has a high level of dimensional accuracy and consistency.
Pressure Rating: The pressure rating of Welded Steel Tube E155, EN 10305-6 depends on several factors such as the tube diameter, wall thickness, material composition, and the operating temperature. The maximum pressure rating for this steel tube is typically determined based on the maximum allowable stress values for the tube material at the operating temperature.
The maximum allowable stress values for Welded Steel Tube E155, EN 10305-6 are typically determined by referencing industry standards such as ASME B31.3, which provides guidance on the maximum allowable stress values for various materials at different temperatures. The pressure rating of this steel tube can also be determined by performing calculations based on the tube dimensions, wall thickness, and material properties.
Temperature: The maximum operating temperature for Welded Steel Tube E155, EN 10305-6 depends on the material composition of the tube and the maximum allowable stress values at the operating temperature. The maximum operating temperature for this steel tube can be determined by referencing industry standards such as ASME B31.3, which provides guidance on the maximum allowable stress values for various materials at different temperatures.
The maximum operating temperature for Welded Steel Tube E155, EN 10305-6 is typically determined based on the material's thermal properties, such as thermal conductivity and coefficient of thermal expansion. The maximum operating temperature for this steel tube can also be determined by performing calculations based on the tube dimensions, wall thickness, and material properties.
In summary, the pressure rating and temperature for Welded Steel Tube E155, EN 10305-6 depend on various factors such as the tube diameter, wall thickness, material composition, and the operating conditions. These parameters can be determined by referencing industry standards and performing calculations based on the tube dimensions and material properties.

Surface Treatment

The surface treatment of welded steel tube E155, as specified in EN 10305-6, involves several steps to ensure that the tube's surface is clean, smooth, and protected against corrosion. The process typically includes the following stages:
1. Cutting: The welded steel tube E155 is first cut to the desired length using a saw or a similar cutting tool.
2. Deburring: The cut ends of the tube are then deburred to remove any sharp edges or burrs that could cause injury during handling or assembly.
3. Cleaning: The tube is thoroughly cleaned to remove any dirt, grease, or other contaminants that may be present on the surface. This is typically done using a solvent-based cleaner or a degreaser.
4. Pickling: Pickling is a process in which the tube is immersed in an acidic solution to remove any surface oxidation or scale that may have formed during manufacturing. This step also helps to prepare the surface for further treatment.
5. Passivation: Passivation is the process of treating the surface of the tube with an acid solution to remove any remaining iron and other contaminants. This step helps to prevent corrosion and ensures that the surface is chemically inert.
6. Lubrication: After passivation, the tube may be coated with a lubricant to reduce friction and protect the surface during subsequent handling and assembly.
7. Surface finish: The final stage of surface treatment involves applying a surface finish to the tube. This may involve polishing, grinding, or sandblasting the surface to achieve the desired level of smoothness and uniformity.
Overall, the surface treatment of welded steel tube E155 is a critical step in the manufacturing process that helps to ensure the tube's quality, durability, and corrosion resistance. By following a careful and systematic approach, manufacturers can produce tubes that meet the highest standards of quality and performance.

Standard marking for steel tubes

EN 10305-6 is a European standard that specifies the technical delivery conditions for welded cold-drawn steel tubes of circular cross-section for precision applications. The standard covers different steel grades, including E155, which is a low-carbon steel grade with a maximum carbon content of 0.08%.
The marking of welded steel tubes according to EN 10305-6 includes the following information:
1. Manufacturer's symbol or name This indicates the name or symbol of the manufacturer responsible for producing the welded steel tubes.
2. Tube dimensions The dimensions of the welded steel tube are indicated in millimeters or inches, depending on the unit of measurement used by the manufacturer. The dimensions include the outer diameter (OD), wall thickness (WT), and length.
3. Steel grade The steel grade is indicated by the letter "E" followed by a three-digit number, such as E155. The number indicates the minimum yield strength of the steel in N/mm².
4. Batch/lot number This is a unique identifier assigned by the manufacturer to a specific production batch or lot of welded steel tubes. The batch/lot number is used to track and trace the tubes in case of any issues or defects.
5. EN standard designation This indicates the relevant EN standard for the welded steel tubes. In this case, it is EN 10305-6.
6. Heat number This is a unique identifier assigned to a specific heat of steel during the manufacturing process. The heat number is used to trace the origin and quality of the steel used in the production of the welded steel tubes.
7. Date of manufacture This indicates the date when the welded steel tubes were manufactured. The date is usually in the format of year-month-day (YYYY-MM-DD).
8. Other markings Depending on the requirements of the customer or the application, additional markings may be included on the welded steel tubes. These may include the customer's name, project or order number, and any additional quality control or inspection markings.
Overall, the marking of welded steel tubes according to EN 10305-6 provides important information on the origin, quality, and properties of the tubes, which is essential for ensuring their safe and reliable use in precision applications.

Standard packing for steel Tubes

Welded steel tube E155 is a type of electrically welded cold-drawn precision steel tube that conforms to the European standard EN 10305-6. This tube is typically used for hydraulic and pneumatic applications in various industries, such as automotive, engineering, and construction.
The standard packing for welded steel tube E155, EN 10305-6 usually involves the following steps:
1. Bundling: The tubes are bundled together in groups of similar lengths, usually with the same wall thickness and diameter. The number of tubes in a bundle can vary, depending on the size and weight of the tubes.
2. Strapping: Once bundled, the tubes are secured together using steel straps. These straps are tightened around the bundle to prevent the tubes from moving or falling apart during transport.
3. Labeling: Each bundle is then labeled with a tag that includes important information about the tubes, such as the grade, size, and number of tubes in the bundle. This labeling ensures that the tubes can be easily identified and tracked during transport and storage.
4. Wrapping: The bundles are then wrapped with a protective material, usually plastic or paper, to prevent the tubes from getting damaged or scratched during transport.
5. Packaging: Finally, the wrapped bundles are packed into wooden boxes or crates. The boxes are typically designed to fit the size and weight of the bundled tubes, and they provide additional protection during transport and storage.
Overall, the standard packing for welded steel tube E155, EN 10305-6 is designed to ensure that the tubes arrive at their destination in good condition and can be easily handled and stored. The bundling, strapping, labeling, wrapping, and packaging processes all work together to provide maximum protection for the tubes during transport and storage.

Supplier

TAP Vietnam International Investment Joint Stock Company (TAP Vietnam) is a leading supplier of Welded Steel tube E155, EN 10305-6 in Vietnam. The company has established a strong reputation for providing high-quality steel tubes that meet international standards and customer requirements.
Welded Steel tube E155 is a type of cold-drawn seamless steel tube that is widely used in the automotive and mechanical engineering industries. The tube is known for its high precision, smooth surface finish, and excellent mechanical properties. EN 10305-6 is a European standard that specifies the requirements for welded cold-drawn precision steel tubes for use in mechanical engineering and other similar applications.
TAP Vietnam has been in the steel tube business for over a decade and has a wealth of experience in the industry. The company's mission is to provide customers with high-quality products and excellent customer service. TAP Vietnam's commitment to quality is reflected in its rigorous quality control procedures and its use of advanced production technologies.
TAP Vietnam's Welded Steel tube E155, EN 10305-6 is produced using high-quality raw materials sourced from reputable suppliers. The production process involves cold-drawing the steel tubes to the required size and shape, followed by welding and heat treatment. The tubes are then subjected to a series of rigorous quality control tests to ensure that they meet the required standards.
TAP Vietnam's Welded Steel tube E155, EN 10305-6 is available in a range of sizes and specifications to meet the diverse needs of its customers. The company's products are widely used in the automotive, mechanical engineering, and other industries.
In addition to its focus on quality and customer service, TAP Vietnam is also committed to sustainability. The company is constantly looking for ways to reduce its environmental impact and has implemented a range of initiatives to achieve this goal. TAP Vietnam also takes its social responsibility seriously and is involved in a range of community initiatives.
In conclusion, TAP Vietnam International Investment Joint Stock Company (TAP Vietnam) is a reliable supplier of Welded Steel tube E155, EN 10305-6 in Vietnam. The company's commitment to quality, customer service, and sustainability makes it a leader in the steel tube industry. Whether you're in the automotive, mechanical engineering, or other industries, TAP Vietnam's products are sure to meet your needs.

Dimensions and tolerances. Welded cold drawn Steel tubes EN 10305-6 EN 10305-6 is a European standard that specifies the technical delivery conditions for welded cold drawn steel tubes for precision applications. This standard applies to round, square, rectangular, and special shape welded tubes made from unalloyed or low alloy steels. The standard defines the dimensions and tolerances for these welded cold drawn steel tubes. These include: 1. Outer Diameter (OD): The outer diameter of the tube is measured from the outside edge to the opposite outside edge. The tolerances for OD are specified in the standard, and they depend on the size of the tube. For example, for tubes with an OD of up to 30mm, the tolerance is +/- 0.08mm. For tubes with an OD between 30mm and 50mm, the tolerance is +/- 0.1mm. 2. Inner Diameter (ID): The inner diameter of the tube is measured from the inside edge to the opposite inside edge. The tolerances for ID are also specified in the standard and depend on the size of the tube. For example, for tubes with an OD of up to 30mm, the tolerance is +/- 0.05mm. For tubes with an OD between 30mm and 50mm, the tolerance is +/- 0.07mm. 3. Wall Thickness: The wall thickness of the tube is measured as the distance between the inside and outside surfaces of the tube. The tolerances for wall thickness are specified in the standard and depend on the size of the tube. For example, for tubes with an OD of up to 30mm, the tolerance is +/- 10% of the wall thickness. For tubes with an OD between 30mm and 50mm, the tolerance is +/- 8% of the wall thickness. 4. Ovality: The ovality of the tube is the difference between the maximum and minimum diameters of the tube divided by the nominal diameter. The tolerances for ovality are specified in the standard and depend on the size of the tube. For example, for tubes with an OD of up to 30mm, the maximum ovality tolerance is 0.5% of the OD. For tubes with an OD between 30mm and 50mm, the maximum ovality tolerance is 0.6% of the OD. 5. Straightness: The straightness of the tube is measured as the maximum deviation from a straight line over a specified length. The tolerances for straightness are specified in the standard and depend on the size of the tube. For example, for tubes with an OD of up to 30mm, the maximum deviation tolerance is 0.3mm per meter. For tubes with an OD between 30mm and 50mm, the maximum deviation tolerance is 0.5mm per meter. 6. Length: The length of the tube is specified in the standard and can vary depending on the application. The standard specifies that the length tolerance for tubes up to 7 meters long is +/- 10mm. For tubes longer than 7 meters, the length tolerance is +/- 0.15% of the length. Overall, these dimensions and tolerances ensure that the welded cold drawn steel tubes meet the required specifications for precision applications.





















Sizes and tolerances Welded cold drawn Steel tubes EN 10305-6
Dimensions in millimetres
Specified outside diameter D with tolerance		Specified wall thickness T with tolerance		Specified inside diameter d with tolerance
4	±0,08	0.5	±0,05	3	±0,15
4	±0,08	1	±0,08	2	±0,15
5	±0,08	0.75	±0,06	3.5	±0,15
5	±0,08	1	±0,08	3	±0,15
6	±0,08	1	±0,08	4	±0,12
		1.5	±0,11	3	±0,15
		2	±0,15	2	±0,15
8	±0,08	1	±0,08	6	±0,10
		1.5	±0,11	5	±0,10
		2	±0,15	4	±0,15
		2.5	±0,19	3	±0,15
10	±0,08	1	±0,08	8	±0,08
		1.5	±0,11	7	±0,12
		2	±0,15	6	±0,15
		2.5	±0,19	5	±0,15
12	±0,08	1	±0,08	10	±0,08
		1.5	±0,11	9	±0,10
		2	±0,15	8	±0,12
		2.5	±0,19	7	±0,15
		3	±0,23	6	±0,15
14	±0,08	1	±0,08	12	±0,08
		1.5	±0,11	11	±0,08
		2	±0,15	10	±0,10
		2.5	±0,19	9	±0,12
		3	±0,23	8	±0,15
15	±0,08	1	±0,08	13	±0,08
		1.5	±0,11	12	±0,08
		2	±0,15	11	±010
		2.5	±0,19	10	±0,12
		3	±0,23	9	±0,15
16	±0,08	1	±0,08	14	±0,08
		1.5	±0,11	13
		2	±0,15	12
		2.5	±0,19	11	±0,15
		3	±0,23	10	±0,15
18	±0,08	1	±0,08	16	±0,08
		1.5	±0,11	15
		2	±0,15	14
		2.5	±0,19	13	±0,15
		3	±0,23	12	±0,15
20	±0,08	1.5	±0,11	17	±0,08
		2	±0,15	16	±0,08
		2.5	±0,19	15	±0,15
		3	±0,23	14
		3.5	±0,26	13
		4	±0,30	12
22	±0,08	1	±0,08	20	±0,08
		1.5	±0,11	19
		2	±0,15	18
		2.5	±0,19	17
		3	±0,23	16	±0,15
		3.5	±0,26	15
		4	±0,30	14
25	±0,08	1.5	±0,11	22	±0,08
		2	±0,15	21
		2.5	±0,19	20
		3	±0,23	19	±0,15
		4	±0,30	17
		4.5	±0,34	16
28	±0,08	1.5	±0,11	25	±0,08
		2	±0,15	24
		2.5	±0,19	23
		3	±0,23	22	±0,15
		4	±0,30	20	±0,15
30	±0,08	2	±0,15	26	±0,08
		2.5	±0,19	25	±0,08
		3	±0,23	24	±0,15
		4	±0,30	22	±0,15
35	±0,08	2	±0,15	31	±0,15
		2.5	±0,19	30
		3	±0,23	29
		4	±0,30	27
		5	±0,38	25
		6	±0,45	23
38	±0,08	2	±0,15	34	±0,15
		2.5	±0,19	33
		3	±0,23	32
		4	±0,30	30
		5	±0,38	28
		6	±0,45	26
		7	±0,53	24
		8	±0,60	22
42	±0,08	2	±0,15	38	±0,20
		3	±0,23	36
		4	±0,30	34
		5	±0,38	32
		8	±0,60	26
50	±0,20	4	±0,30	42	±0,20
		5	±0,38	40
		6	±0,45	38
		8	±0,60	34
55	±0,25	4	±0,30	47	±0,25
		6	±0,45	43
		8	±0,60	39
60	±0,25	5	±0,38	50	±0,25
60	±0,25	8	±0,60	44	±0,25
70	±0,30	5	±0,38	60	±0,30
70	±0,30	8	±0,60	54	±0,30
80	±0,35	6	±0,45	68	±0,35
		8	±0,60	64
		10	±0,75	60

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