Welded Steel tube E355, EN 10305-3

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

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Product Name:

Welded Steel tube E355, EN 10305-3

The alternative name or alias of a product:

Welded Steel pipe E355, EN 10305-3

ERW tube E355, EN 10305-3

Product Description:

• Material: E355, Steel Number 1.0580
• Type: Welded (ERW)
•Standard EN 10305-3
• Size:
• Outer Diameter (OD): OD6 to OD193.7
• Wall Thickness (WT): 0.6mm to 6mm
• 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

0.2

Mechanical Properties

Welded steel tubes made from E355 steel (EN 10305-3) are used in various applications where high strength, durability, and resistance to deformation are required. These tubes are typically used in machinery, hydraulics, and automotive industries.
The mechanical properties of welded steel tubes depend on the type of steel used, the manufacturing process, and the heat treatment of the material. E355 steel is a low carbon steel with a high tensile strength, good weldability, and toughness. Its chemical composition includes carbon, manganese, phosphorus, sulfur, and silicon, with a maximum percentage of 0.22% carbon and 1.6% manganese.
The tensile strength of E355 steel is typically around 640 MPa, with a yield strength of approximately 520 MPa. These properties are achieved through a process of cold drawing and subsequent heat treatment, which improves the strength and durability of the material.
In addition to its high strength, E355 steel also exhibits good ductility and toughness, making it ideal for applications where deformation resistance is required. The elongation at break of E355 steel is typically around 22%, with a Charpy impact strength of 27 Joules at -20°C.
The hardness of E355 steel is typically around 190 to 210 HB, which is a measure of its resistance to indentation. This hardness level makes it suitable for machining and forming operations, while still maintaining its structural integrity.
Overall, the mechanical properties of welded steel tubes made from E355 steel are highly desirable for a wide range of applications where strength, durability, and deformation resistance are critical factors.

Inspection and testing

The inspection and testing of welded steel tubes made from E355 steel (EN 10305-3) are essential to ensure that the tubes meet the required quality standards and performance specifications. The following are some of the common inspection and testing methods used for welded steel tubes:
1. Visual Inspection: This involves examining the welded steel tubes for surface defects, such as cracks, porosity, or lack of fusion, that could impact the mechanical properties of the material.
2. Dimensional Inspection: This involves checking the dimensions of the welded steel tubes to ensure that they meet the required size and tolerance specifications.
3. Ultrasonic Testing: This non-destructive testing method involves using high-frequency sound waves to detect internal defects, such as cracks, in the welded steel tubes.
4. Eddy Current Testing: This non-destructive testing method uses electromagnetic induction to detect surface and sub-surface defects in the welded steel tubes.
5. Hydrostatic Testing: This involves subjecting the welded steel tubes to high-pressure water to check for leaks or defects in the material.
6. Mechanical Testing: This involves testing the mechanical properties of the welded steel tubes, such as tensile strength, yield strength, elongation, and hardness, to ensure that they meet the required performance specifications.
7. Chemical Analysis: This involves testing the chemical composition of the E355 steel used to make the welded steel tubes to ensure that it meets the required standards and specifications.
Overall, a combination of these inspection and testing methods is used to ensure the quality and performance of welded steel tubes made from E355 steel. These methods help to ensure that the tubes meet the required standards and are suitable for their intended applications.

Pressure and Temperature Ratings

The pressure rating and temperature for welded steel tubes made from E355 steel (EN 10305-3) depend on various factors, such as the tube's size, wall thickness, and intended application. However, the following are some general guidelines that can be used as a reference:
Pressure Rating: The pressure rating for welded steel tubes made from E355 steel can vary depending on their size, wall thickness, and the operating conditions of the application. Typically, these tubes can handle pressures ranging from 100 to 500 bar, depending on the diameter, wall thickness, and application. It is important to consult the relevant standards and regulations for specific pressure ratings for the intended application.
Temperature: The maximum temperature that welded steel tubes made from E355 steel can handle depends on their size, wall thickness, and the intended application. Generally, E355 steel is suitable for use at moderate temperatures ranging from -20°C to +200°C. However, the maximum temperature may vary depending on the application and the operating conditions. It is essential to consult the relevant standards and regulations for specific temperature limits for the intended application.
Overall, the pressure rating and temperature limits for welded steel tubes made from E355 steel should be carefully evaluated based on the intended application and operating conditions. It is essential to follow the relevant standards and regulations to ensure the safe and reliable operation of the tubes.

Surface Treatment

Welded steel tubes made from E355 steel (EN 10305-3) may require surface treatment to enhance their durability, corrosion resistance, and aesthetics. The following are some of the common surface treatment methods used for welded steel tubes:
1. Galvanizing: This involves applying a zinc coating to the surface of the welded steel tube to protect it from corrosion. Galvanizing can be done through hot-dip or electroplating processes.
2. Painting: This involves applying a layer of paint to the surface of the welded steel tube to protect it from corrosion and improve its aesthetics. Various types of paints can be used, depending on the application and the operating conditions.
3. Powder Coating: This involves applying a layer of powder coating to the surface of the welded steel tube to protect it from corrosion and improve its aesthetics. Powder coating is a more durable and environmentally friendly alternative to traditional painting.
4. Passivation: This involves treating the surface of the welded steel tube with an acid solution to remove any impurities and enhance its corrosion resistance.
5. Shot Blasting: This involves blasting the surface of the welded steel tube with abrasive particles to remove any surface defects and improve its surface finish.
6. Anodizing: This involves applying a layer of anodizing to the surface of the welded steel tube to enhance its corrosion resistance and improve its aesthetics.
Overall, the choice of surface treatment for welded steel tubes made from E355 steel depends on the intended application, the operating conditions, and the desired aesthetics. It is essential to consult the relevant standards and regulations for specific requirements for surface treatment for the intended application.

Standard marking for steel tubes

Standard marking of welded steel tubes made from E355 steel (EN 10305-3) is important to ensure that the tubes are identified correctly and that they meet the required standards and specifications. The following are some of the common markings that are typically found on welded steel tubes:
1. Manufacturer's Logo: This is the logo or trademark of the manufacturer, which is used to identify the producer of the welded steel tube.
2. Standard: This is the reference to the relevant standard, which the welded steel tube conforms to. For example, EN 10305-3 is the European standard for welded steel tubes made from E355 steel.
3. Material Grade: This is the grade of the steel used to make the welded steel tube, which is E355 for EN 10305-3.
4. Size: This is the outer diameter and wall thickness of the welded steel tube, which is usually marked in millimeters.
5. Length: This is the length of the welded steel tube, which is usually marked in meters.
6. Heat Number: This is a unique identification number assigned to each batch of welded steel tubes during the manufacturing process. It is used to trace the origin of the material and to ensure that it meets the required specifications.
7. Production Date: This is the date when the welded steel tube was manufactured.
8. Testing and Inspection Marks: This includes marks indicating the results of various testing and inspection methods used to ensure that the welded steel tube meets the required quality standards.
Overall, the standard marking of welded steel tubes made from E355 steel is important to ensure that they are identified correctly, and that they meet the required standards and specifications. It is essential to follow the relevant standards and regulations to ensure the correct marking of the welded steel tubes.

Standard packing for steel Tubes

Standard packing of welded steel tubes made from E355 steel (EN 10305-3) is important to protect the tubes during transportation and storage, and to ensure that they are delivered to the customer in good condition. The following are some of the common packing methods used for welded steel tubes:
1. Bundles: This is the most common packing method used for welded steel tubes. The tubes are bundled together using steel straps or nylon straps. The number of tubes in each bundle can vary depending on the size and weight of the tubes.
2. Wooden Boxes: This packing method is used for smaller quantities of welded steel tubes. The tubes are packed in wooden boxes, which are lined with plastic or paper to protect the tubes from moisture and damage.
3. Plastic Caps: Plastic caps are placed on the ends of the welded steel tubes to protect them from damage during transportation and storage.
4. Wrapping: The welded steel tubes can be wrapped in plastic or paper to protect them from moisture and damage.
5. Labels: Each bundle of welded steel tubes is labeled with information such as the material grade, size, length, heat number, and production date.
6. Shipping Marks: Shipping marks are used to identify the packages and ensure that they are delivered to the correct location.
Overall, the standard packing of welded steel tubes made from E355 steel is important to protect the tubes during transportation and storage, and to ensure that they are delivered to the customer in good condition. It is essential to follow the relevant standards and regulations to ensure the correct packing of the welded steel tubes.

Supplier

TAP Viet nam International Investment Joint Stock Company (TAP Viet nam) is a leading supplier of Welded Steel Tube E355, EN 10305-3. The company has a reputation for providing high-quality welded steel tubes to customers in various industries, including construction, automotive, and mechanical engineering.
Welded Steel Tube E355, EN 10305-3 is a popular choice for many applications due to its excellent mechanical properties, including high strength, good toughness, and excellent formability. It is also resistant to corrosion and has good weldability, making it an ideal choice for use in harsh environments.
TAP Viet nam offers a wide range of Welded Steel Tube E355, EN 10305-3 in different sizes and thicknesses to meet the specific needs of its customers. The tubes are manufactured using advanced technologies and are tested to ensure that they meet the highest quality standards.
One of the key factors that sets TAP Viet nam apart from other suppliers of welded steel tubes is its commitment to customer satisfaction. The company has a team of experienced professionals who work closely with customers to understand their specific requirements and provide customized solutions that meet their needs.
In addition to providing high-quality welded steel tubes, TAP Viet nam also offers excellent customer support services. The company has a team of experts who are always available to provide technical support and advice to customers. This ensures that customers receive the best possible service and support, and helps to build long-term relationships with them.
TAP Viet nam is also committed to environmental sustainability and social responsibility. The company follows strict environmental and social policies to minimize its impact on the environment and promote sustainable development.
In conclusion, TAP Viet nam International Investment Joint Stock Company is a trusted supplier of Welded Steel Tube E355, EN 10305-3, providing high-quality products and excellent customer support services. With its commitment to customer satisfaction, environmental sustainability, and social responsibility, TAP Viet nam is a reliable partner for customers in various industries.

Sizes and diameter tolerances Welded cold sized Steel tubes EN 10305-3 EN 10305-3 is a European standard that specifies the technical delivery conditions for welded cold-sized steel tubes for precision applications. These tubes are typically used in the mechanical engineering and automotive industries, where high precision and reliability are required. The standard defines several requirements for the sizes and diameter tolerances of the tubes. These include: 1. Nominal sizes: The nominal sizes of the tubes range from 6mm to 200mm, with wall thicknesses from 0.5mm to 10mm. 2. Dimensions: The standard specifies the dimensions of the tubes, including the outside diameter, wall thickness, and length. The outside diameter of the tubes ranges from 6mm to 200mm, with a tolerance of +/- 0.08mm. The wall thickness ranges from 0.5mm to 10mm, with a tolerance of +/- 10%. 3. Ovality: The standard specifies the ovality of the tubes, which is the difference between the maximum and minimum diameter of the tube divided by the nominal diameter. The ovality tolerance ranges from 0.4% to 1.0%, depending on the diameter and wall thickness of the tube. 4. Straightness: The standard specifies the straightness of the tubes, which is the maximum deviation from a straight line over the length of the tube. The straightness tolerance ranges from 0.15% to 0.25% depending on the diameter and wall thickness of the tube. 5. Length: The standard specifies the length of the tubes, which can be cut to specific lengths or supplied in random lengths. The tolerance on length is +/- 500mm or +/- 3% of the total length, whichever is greater. 6. Surface finish: The standard specifies the surface finish of the tubes, which must be free from defects and have a smooth, clean surface. In summary, the EN 10305-3 standard defines the sizes and diameter tolerances for welded cold-sized steel tubes for precision applications, including nominal sizes, dimensions, ovality, straightness, length, and surface finish. These specifications ensure that the tubes meet the high precision and reliability requirements of the mechanical engineering and automotive industries.
















Sizes and diameter tolerances Welded Steel tubes EN 10305-3
Dimensions in millimetres
Outside diameter D and tolerances		Wall thickness T (mm)
		0.6	0.8	1	1.2	1.5	1.8	2	2.2	2.5	3	3.5	4	4.5	5	5.5	6
		Mass per unit length (kg/m)
6	±0,12	0.080	0.103	0.123
8		0.109	0.142	0.173	0.201	0.240
10		0.139	0.182	0.222	0.260	0.314
12		0.169	0.221	0.271	0.320	0.388	0.453	0.493
15		0.213	0.280	0.345	0.408	0.499	0.586	0.641	0.694
16		0.228	0.300	0.370	0.438	0.536	0.630	0.691	0.749
18		0.257	0.339	0.419	0.497	0.610	0.719	0.789	0.857	0.956
19		0.272	0.359	0.444	0.527	0.647	0.764	0.838	0.911	1.02	1.18
20	±0,15	0.287	0.379	0.469	0.556	0.684	0.808	0.888	0.966	1.08	1.26
22		0.317	0.418	0.518	0.616	0.758	0.897	0.986	1.07	1.20	1.41
25		0.361	0.477	0.592	0.704	0.869	1.03	1.13	1.24	1.39	1.63
28		0.405	0.537	0.666	0.793	0.980	1.16	1.28	1.40	1.57	1.85	2.11
30		0.435	0.576	0.715	0.852	1.05	1.25	1.38	1.51	1.70	2.00	2.29
32	±0,20		0.616	0.765	0.911	1.13	1.34	1.48	1.62	1.82	2.15	2.46
35				0.838	1.00	1.24	1.47	1.63	1.78	2.00	2.37	2.72
38				0.912	1.09	1.35	1.61	1.78	1.94	2.19	2.59	2.98	3.35
40				0.962	1.15	1.42	1.70	1.87	2.05	2.31	2.74	3.15	3.55
42				1.01	1.21	1.50	1.78	1.97	2.16	2.44	2.89	3.32	3.75
42.4				1.02	1.22	1.51	1.80	1.99	2.18	2.46	2.91	3.36	3.79
44	±0,25			1.06	1.27	1.57	1.87	2.07	2.27	2.56	3.03	3.50	3.95
45				1.09	1.30	1.61	1.92	2.12	2.32	2.62	3.11	3.58	4.04
48.3				1.17	1.39	1.73	2.06	2.28	2.50	2.82	3.35	3.87	4.37	4.86
50				1.21	1.44	1.79	2.14	2.37	2.59	2.93	3.48	4.01	4.54	5.05
51					1.47	1.83	2.18	2.42	2.65	2.99	3.55	4.10	4.64	5.16
55	±0,30				1.59	1.98	2.36	2.61	2.86	3.24	3.85	4.45	5.03	5.60
57					1.65	2.05	2.45	2.71	2.97	3.36	4.00	4.62	5.23	5.83
60					1.74	2.16	2.58	2.86	3.14	3.55	4.22	4.88	5.52	6.16	6.78	7.39
63.5					1.84	2.29	2.74	3.03	3.33	3.76	4.48	5.18	5.87	6.55	7.21	7.87
70	±0,35				2.04	2.53	3.03	3.35	3.68	4.16	4.96	5.74	6.51	7.27	8.01	8.75
76	±0,35				2.21	2.76	3.29	3.65	4.00	4.53	5.40	6.26	7.10	7.93	8.75	9.56
80	±0,40				2.33	2.90	3.47	3.85	4.22	4.78	5.70	6.60	7.50	8.38	9.25	10.1
89						3.24	3.87	4.29	4.71	5.33	6.36	7.38	8.38	9.38	10.4	11.3	12.3
90						3.27	3.92	4.34	4.76	5.39	6.44	7.47	8.48	9.49	10.5	11.5	12.4
100	±0,50					3.64	4.36	4.83	5.31	6.01	7.18	8.33	9.47	10.6	11.7	12.8	13.9
101.6	±0,50					3.70	4.43	4.91	5.39	6.11	7.29	8.47	9.63	10.8	11.9	13.0	14.1
108	±0,60					3.94	4.71	5.23	5.74	6.50	7.77	9.02	10.3	11.5	12.7	13.9	15.1
114							4.98	5.52	6.07	6.87	8.21	9.54	10.9	12.2	13.4	14.7	16.0
120							5.25	5.82	6.39	7.24	8.66	10.1	11.4	12.8	14.2	15.5	16.9
127	±0,8						5.56	6.17	6.77	7.68	9.17	10.7	12.1	13.6	15.0	16.5	17.9
133							5.82	6.46	7.10	8.05	9.62	11.2	12.7	14.3	15.8	17.3	18.8
139.7							6.12	6.79	7.46	8.46	10.1	11.8	13.4	15.0	16.6	18.2	19.8
159	±1,0						6.98	7.74	8.51	9.65	11.5	13.4	15.3	17.1	19.0	20.8	22.6
168							7.38	8.19	9.00	10.2	12.2	14.2	16.2	18.1	20.1	22.0	24.0
193.7									10.4	11.8	14.1	16.4	18.7	21.0	23.3	25.5	27.8

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