Welded Steel tube E420, 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 E420, EN 10305-3

The alternative name or alias of a product:

Welded Steel pipe E420, EN 10305-3

ERW tube E420, EN 10305-3

Product Description:

• Material: E420, Steel Number 1.0575
• 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.

E420

1.0575

0.16

0.55

1.7

0,025

0.02

Mechanical Properties

Welded steel tubes made from E420 steel, according to EN 10305-3 standard, are known for their high tensile strength and good ductility. E420 steel is a low-alloy, fine-grain steel that is primarily used in structural applications where high strength and good weldability are required.
The mechanical properties of welded steel tubes made from E420 steel are as follows:
1. Tensile Strength: The tensile strength of E420 steel is typically between 490 MPa and 660 MPa. This high tensile strength makes E420 steel tubes suitable for use in applications that require high strength and durability.
2. Yield Strength: The yield strength of E420 steel is typically between 420 MPa and 570 MPa. The yield strength is an important mechanical property that indicates the point at which the material will start to deform plastically.
3. Elongation: The elongation of E420 steel is typically between 19% and 24%. Elongation is a measure of the ability of a material to stretch without breaking. The high elongation of E420 steel tubes makes them suitable for applications that require good ductility.
4. Impact Strength: The impact strength of E420 steel is typically between 27 J and 60 J. This property indicates the ability of the material to absorb energy during an impact without fracturing. The high impact strength of E420 steel tubes makes them suitable for use in applications that are subject to impact loads.
5. Hardness: The hardness of E420 steel is typically between 170 HB and 210 HB. Hardness is a measure of the material's resistance to indentation or scratching. The relatively high hardness of E420 steel tubes makes them suitable for use in applications that require good wear resistance.
In summary, welded steel tubes made from E420 steel exhibit high tensile strength, good ductility, high impact strength, and good wear resistance. These properties make them suitable for a wide range of structural applications where high strength and durability are required.

Inspection and testing

Inspection and testing of welded steel tubes made from E420 steel, according to EN 10305-3 standard, are important to ensure that they meet the required mechanical properties and dimensional tolerances.
1. Visual Inspection: This is the first step in the inspection process and involves a visual examination of the surface of the welded steel tubes to identify any defects such as cracks, porosity, or surface discontinuities. The visual inspection is done using appropriate lighting and magnifying equipment.
2. Dimensional Inspection: This involves measuring the outside diameter, wall thickness, and length of the welded steel tube to ensure that they meet the dimensional tolerances specified in the EN 10305-3 standard. The dimensional inspection is done using precision measuring instruments such as micrometers and calipers.
3. Chemical Analysis: The chemical analysis is carried out to verify that the chemical composition of the steel used in the welded steel tube meets the requirements specified in the EN 10305-3 standard. This involves testing the steel for elements such as carbon, manganese, silicon, sulfur, phosphorus, and other alloying elements.
4. Mechanical Testing: The mechanical testing is carried out to verify that the welded steel tube meets the required mechanical properties specified in the EN 10305-3 standard. The mechanical testing involves tensile testing to determine the tensile strength, yield strength, elongation, and impact strength of the steel.
5. Non-destructive Testing: Non-destructive testing is carried out to identify any internal or surface defects in the welded steel tube that may not be visible during the visual inspection. The non-destructive testing includes techniques such as ultrasonic testing, radiographic testing, and eddy current testing.
6. Hydrostatic Testing: Hydrostatic testing involves filling the welded steel tube with water and pressurizing it to a specified pressure for a specified duration to check for leaks or defects. This test is typically carried out on tubes that will be used in applications where they will be subjected to high pressures.
In summary, inspection and testing of welded steel tubes made from E420 steel involve visual inspection, dimensional inspection, chemical analysis, mechanical testing, non-destructive testing, and hydrostatic testing. These tests ensure that the welded steel tube meets the required mechanical properties, dimensional tolerances, and quality standards specified in the EN 10305-3 standard.

Pressure and Temperature Ratings

The pressure rating and temperature for welded steel tubes made from E420 steel, according to EN 10305-3 standard, are dependent on several factors such as the tube dimensions, wall thickness, and intended application.
Pressure Rating: The pressure rating of welded steel tubes is determined by calculating the maximum allowable pressure that the tube can withstand without experiencing permanent deformation or failure. The pressure rating is influenced by several factors including the tube dimensions, wall thickness, and material properties.
For welded steel tubes made from E420 steel, the pressure rating can range from several hundred bar to several thousand bar depending on the dimensions and wall thickness of the tube. It is important to note that the pressure rating of the tube is also dependent on the intended application, as different applications have different pressure requirements.
Temperature: The temperature range that welded steel tubes made from E420 steel can operate in is dependent on the material properties of the steel, the application, and the environmental conditions. The maximum temperature that welded steel tubes made from E420 steel can operate in is limited by the steel's mechanical properties and thermal expansion characteristics.
For welded steel tubes made from E420 steel, the operating temperature range typically ranges from -20°C to 400°C. However, the maximum temperature that the tube can operate in is dependent on the application, and it is important to verify that the tube is suitable for the intended application.
In summary, the pressure rating and temperature for welded steel tubes made from E420 steel, according to EN 10305-3 standard, are dependent on several factors including the tube dimensions, wall thickness, intended application, material properties, and environmental conditions. It is important to ensure that the welded steel tube is suitable for the intended application and operating conditions to ensure safe and reliable operation.

Surface Treatment

Surface treatment of welded steel tubes made from E420 steel, according to EN 10305-3 standard, is an important process that helps to improve the tube's resistance to corrosion, wear, and other forms of degradation. The following are the common surface treatment methods used for welded steel tubes:
1. Phosphating: This involves applying a layer of zinc phosphate or iron phosphate to the surface of the welded steel tube to improve its resistance to corrosion. The phosphating process involves treating the steel tube with a phosphating solution that contains phosphoric acid, zinc oxide, or iron oxide. The phosphating layer provides a good base for subsequent painting or coating.
2. Galvanizing: This involves coating the surface of the welded steel tube with a layer of zinc to improve its resistance to corrosion. The galvanizing process involves immersing the steel tube in a bath of molten zinc or applying a layer of zinc through a hot-dip or electroplating process.
3. Powder Coating: This involves applying a layer of dry powder to the surface of the welded steel tube and then curing it at high temperature to form a hard, durable coating. Powder coating is an environmentally friendly alternative to traditional liquid coating methods and is available in a wide range of colors and finishes.
4. Painting: This involves applying a layer of paint to the surface of the welded steel tube to improve its appearance and resistance to corrosion. Painting can be done using a variety of methods including spray painting, electrostatic painting, or dipping.
5. Anodizing: This involves applying a layer of oxide to the surface of the welded steel tube to improve its resistance to wear and corrosion. The anodizing process involves treating the steel tube with an electrolyte solution and passing a current through it to form an oxide layer on the surface.
In summary, surface treatment of welded steel tubes made from E420 steel, according to EN 10305-3 standard, is an important process that helps to improve their resistance to corrosion, wear, and other forms of degradation. The most common surface treatment methods include phosphating, galvanizing, powder coating, painting, and anodizing. It is important to select the appropriate surface treatment method based on the intended application and environmental conditions to ensure maximum protection and performance of the welded steel tube.

Standard marking for steel tubes

Standard marking of welded steel tubes made from E420 steel, according to EN 10305-3 standard, is a requirement to ensure that the tubes meet the required standards and specifications. The following are the common markings that are required to be present on welded steel tubes:
1. Manufacturer's Mark: This is the mark or name of the manufacturer or supplier of the welded steel tube. The manufacturer's mark can be in the form of a symbol, logo, or name, and it should be clearly visible and legible.
2. Tube Type: This indicates the type of welded steel tube, in this case, E420 steel, according to EN 10305-3 standard.
3. Tube Dimensions: This indicates the dimensions of the welded steel tube, including the outer diameter, wall thickness, and length. The dimensions can be expressed in either metric or imperial units.
4. Heat Number: This is a unique identification number that is assigned to each batch of welded steel tubes during the manufacturing process. The heat number allows for traceability and quality control purposes.
5. Standard: This indicates the standard that the welded steel tube meets, in this case, EN 10305-3.
6. Marking Date: This is the date that the welded steel tube was marked with the required markings.
7. Additional Markings: Other markings such as test markings, inspection markings, and certification markings may also be required depending on the specific application and requirements.
In summary, standard marking of welded steel tubes made from E420 steel, according to EN 10305-3 standard, is important to ensure that the tubes meet the required standards and specifications. The required markings include the manufacturer's mark, tube type, tube dimensions, heat number, standard, marking date, and any additional markings as required. It is important to ensure that the markings are clear, legible, and meet the applicable standards and regulations.

Standard packing for steel Tubes

Standard packing of welded steel tubes made from E420 steel, according to EN 10305-3 standard, is important to ensure that the tubes are protected during transportation and storage. The following are the common packing methods used for welded steel tubes:
1. Wooden Boxes: This is a traditional packing method that involves using wooden boxes to protect the welded steel tubes during transportation and storage. The wooden boxes are lined with paper or plastic to prevent moisture and corrosion, and the tubes are packed tightly to prevent movement during transit.
2. Cardboard Tubes: This is a more modern packing method that involves using cardboard tubes to protect the welded steel tubes. The tubes are placed inside the cardboard tubes, which are then sealed to prevent moisture and damage during transportation and storage.
3. Plastic Wrapping: This involves wrapping the welded steel tubes with plastic to protect them from moisture, dust, and other forms of damage during transportation and storage. The plastic wrapping can be either transparent or opaque and can be heat-sealed or taped to ensure a tight seal.
4. Metal Bands: This involves using metal bands to secure the welded steel tubes during transportation and storage. The metal bands can be either plastic or steel, and they are used to prevent movement and damage during transit.
5. Pallets: This involves placing the welded steel tubes on pallets and securing them with plastic wrapping or metal bands. The pallets are then shrink-wrapped to ensure a tight seal and prevent movement during transportation and storage.
In summary, standard packing of welded steel tubes made from E420 steel, according to EN 10305-3 standard, is important to ensure that the tubes are protected during transportation and storage. The common packing methods include wooden boxes, cardboard tubes, plastic wrapping, metal bands, and pallets. It is important to select the appropriate packing method based on the intended application and environmental conditions to ensure maximum protection and performance of the welded steel tube.

Supplier

TAP Viet Nam International Investment Joint Stock Company (TAP Viet Nam) is a leading supplier of welded steel tubes made from E420 steel, according to EN 10305-3 standard. The company is committed to providing high-quality products and services to its customers in various industries, including automotive, mechanical engineering, construction, and others.
Welded steel tubes are widely used in various applications, including fluid transport, structural support, and mechanical components. The E420 steel grade is a high-strength steel that is ideal for use in applications that require high mechanical properties, such as heavy machinery, hydraulic systems, and construction equipment. The EN 10305-3 standard specifies the technical delivery conditions for welded steel tubes made from E420 steel, ensuring that the tubes meet the required standards and specifications.
TAP Viet Nam offers a wide range of welded steel tubes made from E420 steel, in different sizes, shapes, and thicknesses, to meet the specific requirements of its customers. The company uses advanced manufacturing processes and equipment to ensure that its welded steel tubes are of the highest quality and meet the required standards and specifications.
In addition to supplying high-quality welded steel tubes, TAP Viet Nam also provides a range of value-added services to its customers, including cutting, bending, and fabrication. The company's experienced and skilled team can provide customized solutions to meet the unique needs and requirements of its customers, ensuring that they receive the best possible products and services.
TAP Viet Nam is committed to providing excellent customer service and support, ensuring that its customers receive the highest level of satisfaction. The company's customer-centric approach and focus on quality, reliability, and innovation have earned it a reputation as a trusted supplier of welded steel tubes made from E420 steel, according to EN 10305-3 standard.
In conclusion, TAP Viet Nam International Investment Joint Stock Company is a leading supplier of welded steel tubes made from E420 steel, according to EN 10305-3 standard. The company's commitment to quality, innovation, and customer satisfaction has made it a trusted partner for various industries, providing high-quality products and services that meet the unique needs and requirements of its customers.

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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