Welded Steel tube E320, 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

Deprecated: Function wp_make_content_images_responsive is deprecated since version 5.5.0! Use wp_filter_content_tags() instead. in /home/rdazpequ/public_html/wp-includes/functions.php on line 5413

Product Name:

Welded Steel tube E320, EN 10305-3

The alternative name or alias of a product:

Welded Steel pipe E320, EN 10305-3

ERW tube E320, EN 10305-3

Product Description:

• Material: E320, Steel Number 1.0237
• 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.

E320

1.0237

0.20

0,35

1.4

0,025

0,015

Mechanical Properties

Welded steel tube E320, according to the EN 10305-3 standard, is a low-carbon steel tube that is commonly used in mechanical and structural applications. It has a minimum yield strength of 320 N/mm² and is characterized by its excellent welding properties, formability, and machinability.
The mechanical properties of welded steel tube E320 include its tensile strength, yield strength, elongation, and hardness. These properties determine the tube's ability to withstand external forces and stresses and its suitability for specific applications.
The tensile strength of welded steel tube E320 is typically in the range of 410-540 N/mm². This refers to the maximum stress that the tube can withstand before it breaks when subjected to a pulling force. The higher the tensile strength, the more resistant the tube is to deformation and breakage.
The yield strength of welded steel tube E320 is typically in the range of 320-420 N/mm². This refers to the stress at which the tube begins to deform permanently when subjected to an external force. The yield strength is an important property to consider when designing structures or components that will be subjected to significant stresses.
The elongation of welded steel tube E320 is typically in the range of 18-28%. This refers to the amount of deformation that the tube can undergo before it breaks when subjected to a pulling force. The higher the elongation, the more ductile the tube is, meaning it can bend or deform without breaking.
The hardness of welded steel tube E320 is typically in the range of 130-180 HV. This refers to the tube's resistance to indentation, and it is an important property to consider when designing components that will be subjected to wear or abrasion.
In conclusion, the mechanical properties of welded steel tube E320 make it a reliable choice for mechanical and structural applications. Its high tensile strength, yield strength, and elongation, combined with its excellent welding properties, formability, and machinability, make it a versatile and durable material for a wide range of applications.

Inspection and testing

The inspection and testing of welded steel tube E320, according to the EN 10305-3 standard, are important steps to ensure the quality and safety of the product. These procedures help to identify any defects or flaws in the tube that could affect its performance or cause failure.
The inspection and testing of welded steel tube E320 typically includes visual inspection, dimensional inspection, and non-destructive testing. Visual inspection involves examining the surface of the tube for any defects, such as cracks, dents, or surface irregularities. This inspection ensures that the tube meets the required surface quality and finish standards.
Dimensional inspection involves measuring the diameter, wall thickness, and length of the tube to ensure that it meets the specified tolerances and dimensions. This inspection helps to ensure that the tube will fit properly and function as intended.
Non-destructive testing involves using methods such as ultrasonic testing, eddy current testing, and magnetic particle testing to detect any internal defects or flaws in the tube. These methods help to ensure that the tube is free of defects such as cracks or porosity that could affect its performance or safety.
In addition to these inspections, welded steel tube E320 is also subjected to mechanical testing to determine its mechanical properties, including tensile strength, yield strength, elongation, and hardness. These tests ensure that the tube meets the specified mechanical requirements and can withstand the stresses and forces it will be subjected to in its intended application.
Overall, the inspection and testing of welded steel tube E320 are crucial to ensuring its quality and safety. By identifying any defects or flaws in the tube, these procedures help to ensure that it will perform as intended and meet the requirements of its intended application.

Pressure and Temperature Ratings

Welded steel tube E320, according to the EN 10305-3 standard, is suitable for use in a wide range of applications, including those that involve high pressures and temperatures. The pressure rating and temperature limits of the tube depend on its size, wall thickness, and intended application.
The pressure rating of welded steel tube E320 is typically determined by its wall thickness, which affects its ability to withstand external pressure. The higher the wall thickness, the higher the pressure rating of the tube. For example, a tube with a wall thickness of 5mm can typically withstand a pressure of up to 700 bar, while a tube with a wall thickness of 2mm may have a pressure rating of around 200 bar.
The temperature limit of welded steel tube E320 is typically determined by its material properties, including its thermal conductivity, coefficient of thermal expansion, and melting point. The tube is capable of operating at high temperatures without losing its structural integrity or experiencing deformation.
For welded steel tube E320, the temperature limit for continuous operation is typically around 250°C, although this can vary depending on the specific application and the operating conditions. In high-temperature applications, it is important to ensure that the tube is adequately insulated to prevent heat loss or damage to surrounding components.
It is important to note that the pressure rating and temperature limits of welded steel tube E320 may vary depending on the specific requirements of the application and the relevant industry standards and regulations. It is essential to consult with a qualified engineer or expert to determine the appropriate pressure rating and temperature limits for any given application.

Surface Treatment

Welded steel tube E320, according to the EN 10305-3 standard, may undergo surface treatment to improve its appearance, protect it from corrosion, and enhance its performance in certain applications. The type of surface treatment used depends on the specific requirements of the application and the environment in which the tube will be used.
Some common surface treatments for welded steel tube E320 include:
1. Phosphating: This process involves coating the tube with a layer of phosphate, which provides a base for subsequent coatings or improves the adhesion of lubricants.
2. Galvanizing: Galvanizing involves coating the tube with a layer of zinc to protect it from corrosion. This process is particularly effective in harsh or corrosive environments.
3. Powder coating: Powder coating involves applying a layer of dry powder to the tube's surface, which is then cured through heat to form a durable coating. This process provides a decorative finish and can also enhance the tube's resistance to corrosion and wear.
4. E-coating: E-coating, or electrodeposition coating, involves applying a layer of paint to the tube's surface using an electrical charge. This process provides a durable, uniform coating and is commonly used in automotive and industrial applications.
5. Anodizing: Anodizing involves treating the tube's surface with an electrochemical process, which forms a layer of oxide on the surface. This process enhances the tube's resistance to corrosion and wear and provides a decorative finish.
In addition to these surface treatments, welded steel tube E320 may also undergo mechanical finishing processes, such as polishing or sandblasting, to improve its surface finish and appearance.
It is important to note that the choice of surface treatment for welded steel tube E320 should be carefully considered to ensure compatibility with the intended application and the relevant industry standards and regulations. It is essential to consult with a qualified engineer or expert to determine the appropriate surface treatment for any given application.

Standard marking for steel tubes

Welded steel tube E320, according to the EN 10305-3 standard, must be clearly marked with specific information to ensure traceability and compliance with industry standards. The standard marking includes the following information:
1. Manufacturer's name or trademark
2. Product designation: welded steel tube E320
3. Standard reference: EN 10305-3
4. Size and dimensions of the tube: inner diameter (ID) and outer diameter (OD) in millimeters, as well as the wall thickness in millimeters or gauge
5. Heat number or batch identification: this allows the tube to be traced back to the specific production batch and is essential for quality control and traceability purposes.
6. Steel grade: E320
7. Symbol for the condition of delivery: the condition in which the tube was supplied, such as normalized or cold drawn.
8. Other markings: additional markings may be required depending on the specific application or industry standards.
The standard marking must be legible, permanent, and located in a prominent position on the tube, typically on the ends or along the length of the tube. The markings can be made using various methods, including stamping, laser engraving, or ink printing.
It is important to ensure that the tube is marked correctly and clearly, as this is essential for quality control, traceability, and compliance with industry standards and regulations. Any deviation from the standard marking requirements may result in the rejection of the tube or the imposition of penalties.

Standard packing for steel Tubes

Welded steel tube E320, according to the EN 10305-3 standard, must be properly packed and protected to prevent damage during transport and storage. The standard packing for welded steel tube E320 typically includes the following:
1. Bundles: The tubes are typically bundled together using steel straps or wire. The bundles should be compact and securely fastened to prevent any movement or damage during transport.
2. End caps: The ends of the tubes should be protected using plastic or metal caps to prevent any damage or contamination during transport and storage.
3. Waterproof wrapping: The bundles of tubes should be wrapped in waterproof material to protect them from moisture and environmental conditions.
4. Labels: The bundles should be clearly labeled with the following information: manufacturer's name, product designation, standard reference, size and dimensions of the tube, heat number, steel grade, and condition of delivery.
5. Containerization: The bundles may be placed in containers for added protection during transport, especially for long-distance shipping.
It is essential to ensure that the standard packing requirements are followed to prevent any damage to the tubes during transport and storage. Any deviation from the standard packing requirements may result in the rejection of the tubes or the imposition of penalties.

Supplier

TAP Viet nam International Investment Joint Stock Company (TAP Viet nam) is a leading supplier of welded steel tube E320, according to the EN 10305-3 standard. The company offers high-quality welded steel tubes that are used in a wide range of applications, including automotive, construction, and industrial equipment.
Welded steel tube E320 is a cold-drawn seamless tube that is made from low-carbon steel. The tube has a high yield strength and is ideal for use in applications that require a combination of strength and toughness. It is also known for its excellent machinability and weldability.
At TAP Viet nam, we offer welded steel tube E320 in a range of sizes and thicknesses to meet the diverse needs of our customers. We source our tubes from leading manufacturers who use the latest technology and equipment to produce high-quality products that meet or exceed industry standards.
In addition to offering high-quality products, TAP Viet nam is committed to providing exceptional customer service. Our team of experts works closely with our customers to understand their needs and provide customized solutions that meet their specific requirements. We offer flexible delivery options and work closely with our logistics partners to ensure timely delivery of our products.
At TAP Viet nam, we understand the importance of quality and reliability in our products. That's why we have a rigorous quality control process in place to ensure that all of our products meet or exceed industry standards. Our products undergo thorough inspections and testing to ensure that they are of the highest quality and free from defects.
In conclusion, TAP Viet nam International Investment Joint Stock Company is a leading supplier of welded steel tube E320, according to the EN 10305-3 standard. We offer high-quality products, exceptional customer service, and a commitment to quality and reliability. Contact us today to learn more about our products and how we can help meet your needs.

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

Product info

Mr. Huân

Mrs. Chinh

Mrs. Yến

Mrs. Thảo

Mr. Khánh

Social network