Seamless Steel tube E355, 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 tolerance

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Product Name:

Seamless Steel tube E355, EN 10305-4

The alternative name or alias of a product:

Seamless Steel pipe E355, EN 10305-4

SMLS tube E355, EN 10305-4

Product Description:

Seamless cold drawn tubes for hydraulic and pneumatic power system
• Material: E355, Steel Number 1.0580
• 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.

E355

1.058

0.22

0.55

1.6

0.025

0.015

0.02

Mechanical Properties

Seamless Steel Tube E355 is a high-strength steel tube that is widely used in applications where durability, reliability, and performance are essential. It is manufactured according to the EN 10305-4 standard, which specifies the mechanical properties that the tube must meet in order to ensure optimal performance in a range of applications.
The mechanical properties of Seamless Steel Tube E355 are as follows:
1. Tensile strength: The tensile strength of Seamless Steel Tube E355 is typically between 640 and 840 MPa, depending on the specific dimensions and manufacturing process used. This high tensile strength makes it well-suited for applications where strength and durability are essential.
2. Yield strength: The yield strength of Seamless Steel Tube E355 is typically between 450 and 650 MPa, depending on the specific dimensions and manufacturing process used. This high yield strength ensures that the tube can withstand the stresses and strains of use without deforming or failing.
3. Elongation: The elongation of Seamless Steel Tube E355 is typically between 10% and 22%, depending on the specific dimensions and manufacturing process used. This high elongation ensures that the tube can be bent and shaped without cracking or breaking.
4. Impact strength: The impact strength of Seamless Steel Tube E355 is typically between 27 and 65 J, depending on the specific dimensions and manufacturing process used. This high impact strength ensures that the tube can withstand sudden shocks and impacts without deforming or failing.
5. Hardness: The hardness of Seamless Steel Tube E355 is typically between 170 and 210 HB, depending on the specific dimensions and manufacturing process used. This high hardness ensures that the tube can withstand wear and abrasion without degrading or becoming damaged.
Overall, the mechanical properties of Seamless Steel Tube E355 are designed to ensure optimal performance in a wide range of applications. With its high strength, yield strength, elongation, impact strength, and hardness, it is well-suited for use in hydraulic and pneumatic systems, as well as in the automotive, construction, and energy industries. By carefully controlling the manufacturing process and ensuring that each tube meets the required specifications, manufacturers can ensure that Seamless Steel Tube E355 provides exceptional performance and reliability over an extended period of time.

Inspection and testing

To ensure that Seamless Steel Tube E355, EN 10305-4 meets the required specifications, it undergoes several inspection and testing processes during the manufacturing process. These processes are designed to ensure that the tube is of the highest quality and that it will perform reliably in its intended application.
The inspection and testing processes for Seamless Steel Tube E355 include:
1. Visual inspection: This involves a visual examination of the tube to ensure that it meets the required specifications for surface finish, dimensions, and straightness.
2. Dimensional inspection: This involves measuring the tube's dimensions to ensure that it meets the required specifications for diameter, wall thickness, and length.
3. Chemical composition analysis: This involves testing the tube's chemical composition to ensure that it meets the required specifications for elements such as carbon, manganese, silicon, and phosphorus.
4. Mechanical testing: This involves testing the tube's mechanical properties, including tensile strength, yield strength, elongation, and impact strength.
5. Non-destructive testing: This involves using non-destructive techniques such as ultrasonic testing, magnetic particle testing, and dye penetrant testing to detect any defects or flaws in the tube.
6. Hydrostatic testing: This involves subjecting the tube to a hydraulic pressure test to ensure that it can withstand the required pressure without leaking or failing.
7. Surface finish inspection: This involves inspecting the tube's surface finish to ensure that it meets the required specifications for roughness, cleanliness, and corrosion resistance.
By conducting these inspection and testing processes, manufacturers can ensure that Seamless Steel Tube E355 meets the required specifications for quality, performance, and reliability. This ensures that the tube will perform optimally in its intended application, providing long-lasting and reliable service to the end user.

Pressure and Temperature Ratings

The pressure rating and temperature range for Seamless Steel Tube E355, EN 10305-4 will depend on several factors, including the dimensions, wall thickness, and manufacturing process of the tube. It is important to consult the specific manufacturer's data sheet for accurate information on the pressure rating and temperature range of the tube.
Generally, Seamless Steel Tube E355 is designed to withstand high-pressure applications in hydraulic and pneumatic systems. The tube's high strength, yield strength, and hardness make it well-suited for use in these types of applications. The pressure rating of Seamless Steel Tube E355 will depend on the diameter and wall thickness of the tube. Generally, larger diameter tubes with thicker walls will have a higher pressure rating than smaller diameter tubes with thinner walls.
In terms of temperature range, Seamless Steel Tube E355 can be used in a wide range of temperatures, depending on the application. The temperature range will depend on the specific material properties of the tube and the temperature range that the application requires. Generally, Seamless Steel Tube E355 can be used in temperatures ranging from -20°C to 400°C, depending on the specific application and the conditions it will be exposed to.
It is important to note that the pressure rating and temperature range for Seamless Steel Tube E355 should be determined by qualified engineers based on the specific application and operating conditions. It is also important to ensure that the tube is installed and operated in accordance with the manufacturer's instructions and industry standards to ensure safe and reliable performance.

Surface Treatment

Seamless Steel Tube E355, EN 10305-4 may undergo surface treatment processes to improve its surface finish, protect it from corrosion, and enhance its aesthetic appeal. Some common surface treatment processes for Seamless Steel Tube E355 include:
1. Phosphating: This process involves treating the tube's surface with a phosphoric acid solution to create a thin layer of phosphate coating. The phosphate coating provides a protective layer against corrosion and improves the tube's adhesion to coatings and paints.
2. Galvanizing: This process involves coating the tube's surface with a layer of zinc to protect it from corrosion. The galvanizing process can be performed by either hot-dip or electroplating methods.
3. Electroplating: This process involves coating the tube's surface with a thin layer of metal, such as chrome or nickel, using an electroplating process. This can provide improved corrosion resistance and an enhanced aesthetic appearance.
4. Painting: This process involves applying a layer of paint or coating to the tube's surface to protect it from corrosion and enhance its appearance.
5. Shot blasting: This process involves blasting the tube's surface with small metal particles to remove any rust, mill scale, or other surface contaminants. This process can also create a uniform surface finish on the tube's surface.
6. Passivation: This process involves treating the tube's surface with a chemical solution, such as nitric acid, to remove any surface contaminants and improve the tube's corrosion resistance.
The specific surface treatment process used for Seamless Steel Tube E355 will depend on the desired outcome and the specific application. It is important to consult the manufacturer's data sheet and industry standards to ensure that the selected surface treatment process is appropriate for the specific application and operating conditions.

Standard marking for steel tubes

Seamless Steel Tube E355, EN 10305-4 is marked with a variety of information to indicate its specifications and properties. The standard marking typically includes:
1. Manufacturer's name or trademark
2. Tube type and standard specification (EN 10305-4)
3. Material grade (E355)
4. Heat number or batch number for traceability
5. Dimensions, including outer diameter, wall thickness, and length
6. Mass per unit length or weight per meter
7. Date of manufacture or production code
8. Country of origin
9. Inspection and testing certifications, such as EN 10204-3.1 or EN 10204-2.2
The markings are usually stamped or painted onto the tube's surface, typically near one end of the tube. The markings must be clear, legible, and durable enough to remain visible throughout the tube's service life.
The markings serve as a means of identifying the tube's specifications and properties, as well as providing a traceability mechanism for quality control and assurance purposes. They also help to ensure that the tube is used and installed correctly, in accordance with the manufacturer's instructions and industry standards.
It is important to note that the specific marking requirements may vary depending on the application and regulatory requirements. Therefore, it is essential to consult the relevant industry standards and regulations to ensure compliance with the applicable requirements

Standard packing for steel Tubes

Seamless Steel Tube E355, EN 10305-4 is typically packed and shipped in bundles or wooden crates to ensure its safe transportation and storage. The standard packing for Seamless Steel Tube E355 may include the following:
1. Bundles: Tubes are bundled together using steel straps or wire ties. The number of tubes per bundle may vary depending on the tube's size, weight, and length. Each bundle is typically labeled with a tag that indicates the tube's specifications, dimensions, and heat number.
2. Wooden crates: Tubes may be packed in wooden crates for added protection during transportation and storage. The wooden crates are typically lined with a protective layer of paper or plastic to prevent corrosion and damage. Each crate is typically labeled with a tag that indicates the tube's specifications, dimensions, and heat number.
3. Plastic caps: Plastic caps are typically placed on each end of the tube to protect the tube's ends during transportation and handling. The plastic caps also help to prevent moisture and dirt from entering the tube's interior.
4. Protective film: Tubes may be wrapped in a protective film to provide an additional layer of protection against corrosion and damage during transportation and storage.
The specific packing requirements may vary depending on the tube's size, weight, and destination. It is important to consult the manufacturer's data sheet and industry standards to ensure that the selected packing method is appropriate for the specific application and transportation conditions.

Supplier

TAP Viet nam International Investment Joint Stock Company (TAP Viet nam) is a leading supplier of Seamless Steel Tube E355, EN 10305-4 in Vietnam. The company has built a reputation for delivering high-quality steel tubes to its customers, thanks to its commitment to excellence and customer satisfaction.
Seamless Steel Tube E355, EN 10305-4 is a high-strength and low-alloy steel tube that is used in a wide range of applications, including hydraulic and pneumatic systems, construction, and engineering. The tube is known for its excellent mechanical properties, high corrosion resistance, and durability, making it an ideal choice for challenging industrial environments.
TAP Viet nam supplies Seamless Steel Tube E355, EN 10305-4 in a variety of sizes and dimensions to meet the specific requirements of its customers. The tubes are produced in accordance with the EN 10305-4 standard, which ensures their quality and consistency. The company sources its tubes from reputable manufacturers who use advanced production processes and high-quality materials to produce tubes that meet or exceed the industry standards.
In addition to supplying high-quality steel tubes, TAP Viet nam also provides a range of value-added services to its customers, including custom cutting, threading, and bending. The company has a team of experienced professionals who are dedicated to providing personalized service and support to its customers throughout the entire process, from selection to delivery.
TAP Viet nam is committed to providing its customers with the highest level of quality, reliability, and service. The company's strict quality control processes ensure that all its products meet or exceed the industry standards and customer expectations. It also maintains a large inventory of Seamless Steel Tube E355, EN 10305-4 to ensure timely delivery and customer satisfaction.
Overall, TAP Viet nam International Investment Joint Stock Company is a trusted supplier of Seamless Steel Tube E355, EN 10305-4 in Vietnam. Its commitment to quality, reliability, and customer satisfaction has made it a preferred choice for customers in various industries, including construction, engineering, and manufacturing.

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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