Welded Steel tube E260, 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

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Product Name: Welded Steel tube E260, EN 10305-3
The alternative name or alias of a product: Welded Steel pipe E260, EN 10305-3 ERW tube E260, EN 10305-3
Product Description:
• Material: E260, Steel Number 1.0220
• 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 Altotalmin.
E260 1.022 0.16 0,35 1.2 0,025 0,025 0,015
Mechanical Properties
Welded steel tubes made from E260 grade steel conform to the European standard EN 10305-3. This standard specifies the technical delivery conditions for welded cold-sized steel tubes made of circular or shaped steel.
The mechanical properties of welded steel tube E260 according to EN 10305-3 are as follows:
1. Tensile Strength: The minimum tensile strength of the E260 welded steel tube is 260 MPa. Tensile strength is the maximum amount of stress that a material can withstand before breaking under tension.
2. Yield Strength: The minimum yield strength of the E260 welded steel tube is 190 MPa. Yield strength is the stress at which a material begins to deform plastically.
3. Elongation: The minimum elongation of the E260 welded steel tube is 28%. Elongation is the percentage increase in the length of the material before it breaks under tension.
4. Impact Strength: The minimum impact strength of the E260 welded steel tube is 27 J at room temperature. Impact strength is the amount of energy that a material can absorb before fracturing under impact loading.
5. Hardness: The maximum hardness of the E260 welded steel tube is 77 HRB (Rockwell B Scale). Hardness is a measure of a material's resistance to deformation or indentation.
It is important to note that these mechanical properties may vary depending on the manufacturing process and the size and shape of the tube.
Overall, the E260 welded steel tube is a strong and durable material that can withstand a variety of mechanical stresses and is suitable for use in a wide range of applications.
 Inspection and testing 
Welded steel tubes, including those of grade E260 as per EN 10305-3, are subjected to various inspection and testing procedures to ensure their quality and suitability for various applications. Here are some of the inspection and testing methods commonly used for Welded Steel Tube E260:
1. Visual Inspection: A visual inspection is conducted to check for surface defects, such as cracks, pits, scratches, or any other type of surface irregularities that could affect the quality of the tube. It also involves checking the dimensions, shape, and straightness of the tube.
2. Dimensional Inspection: This inspection involves checking the outer diameter (OD), inner diameter (ID), and wall thickness of the tube to ensure that they meet the required specifications as per EN 10305-3.
3. Mechanical Testing: Mechanical testing involves measuring the mechanical properties of the tube, such as tensile strength, yield strength, elongation, and hardness. These properties determine the strength and durability of the tube under different conditions.
4. Flattening Test: The flattening test is performed to determine the ability of the tube to withstand deformation when subjected to pressure. The test involves flattening the tube to a certain degree and measuring the deformation.
5. Drift Expanding Test: This test is performed to check the tube's resistance to deformation when subjected to internal pressure. The tube is expanded using a mandrel until it reaches the required diameter without any visible cracks or defects.
6. Non-Destructive Testing: Non-destructive testing (NDT) methods, such as ultrasonic testing, magnetic particle testing, and radiographic testing, are used to detect any defects or irregularities in the tube's surface or internal structure. NDT methods are useful in detecting cracks, inclusions, or voids that are not visible through visual inspection.
7. Hydraulic Testing: Hydraulic testing is performed to check the tube's ability to withstand pressure and ensure that there are no leaks. The tube is filled with water and subjected to a specified pressure for a specific time to check for any leaks or defects.
By conducting these inspection and testing procedures, Welded Steel Tube E260, as per EN 10305-3, can be assured of their quality and suitability for various applications.
Pressure and Temperature Ratings
The pressure rating and temperature range for Welded Steel Tube E260, EN 10305-3 are dependent on several factors such as tube dimensions, wall thickness, and material properties. The maximum allowable pressure and temperature are determined by the design codes and standards to ensure the safe and reliable operation of the tube.
For pressure rating, the working pressure of Welded Steel Tube E260, EN 10305-3 is typically determined based on the allowable stress of the material and the tube's wall thickness. The allowable stress of the material is calculated using the yield strength and the safety factor, which varies depending on the design code and application. The wall thickness of the tube also plays a crucial role in determining the maximum allowable pressure. Thicker walls can withstand higher pressures than thinner walls.
For temperature range, the working temperature of Welded Steel Tube E260, EN 10305-3 is influenced by several factors, such as the material composition, thermal conductivity, and coefficient of thermal expansion. The material properties of Welded Steel Tube E260, EN 10305-3 are typically specified to ensure that the tube can withstand the expected temperature range during operation. For example, if the tube is used in a high-temperature environment, a material with high-temperature resistance and low coefficient of thermal expansion is required to prevent thermal deformation and cracking.
The pressure rating and temperature range of Welded Steel Tube E260, EN 10305-3 should be carefully considered during the design and selection process to ensure that the tube meets the required performance criteria and safety standards. It is recommended to consult with a qualified engineer or supplier to determine the appropriate pressure and temperature ratings for specific applications.

 
Surface Treatment
The surface treatment of Welded Steel Tube E260, EN 10305-3 may involve different methods depending on the application and customer's requirements. Some of the most common surface treatments for steel tubes include:
1. Phosphating: This is a chemical treatment that creates a thin layer of phosphate coating on the surface of the steel tube. The coating provides excellent corrosion resistance and improves the adhesion of subsequent coatings.
2. Galvanizing: This involves coating the surface of the steel tube with a layer of zinc. The coating provides excellent corrosion resistance and can be applied using different methods, including hot-dip galvanizing and electroplating.
3. Painting: Painting involves applying a layer of paint or other protective coatings on the surface of the steel tube. The coatings can be applied using different methods, including spraying, rolling, and dipping. Painting provides excellent protection against corrosion and other environmental factors.
4. Powder coating: This is a type of painting where a dry powder is applied to the surface of the steel tube using an electrostatic gun. The powder is then cured under heat to form a hard, durable coating that provides excellent protection against corrosion, abrasion, and other environmental factors.
5. Anodizing: This is a process of creating a layer of oxide on the surface of the steel tube by applying an electric current. The oxide layer provides excellent protection against corrosion and can also improve the appearance of the steel tube.
6. Passivation: This is a chemical process of removing impurities from the surface of the steel tube to improve its corrosion resistance. The process involves immersing the steel tube in a passivating solution, which removes any impurities and creates a thin layer of oxide on the surface of the steel tube.
The choice of surface treatment method for Welded Steel Tube E260, EN 10305-3 will depend on the specific requirements of the application, the environment in which the tube will be used, and the desired appearance of the finished product.

 
Standard marking for steel tubes
The standard marking of Welded Steel Tube E260, EN 10305-3 includes the following information:
1. Manufacturer's name or trademark
2. Product designation: "Welded Steel Tube E260"
3. Manufacturing standard: "EN 10305-3"
4. Steel grade: "E260"
5. Dimensions: outer diameter (OD) x wall thickness (WT) x length
6. Heat number or cast number for traceability
7. Batch or lot number
8. Date of manufacture
9. Any additional customer-specific information or markings
These markings are typically printed or stamped directly on the surface of the tube at regular intervals, usually every meter or less. The purpose of these markings is to provide important information for quality control, traceability, and identification purposes. Customers can use this information to ensure that they are receiving the correct product, track the origin of the product, and monitor the manufacturing process.

 
Standard packing for steel Tubes
The standard packing for Welded Steel Tube E260, EN 10305-3 varies depending on the dimensions and quantities of the tubes. TAP Viet Nam, as a supplier of Welded Steel Tube E260, EN 10305-3, follows the standard packing practices to ensure that the tubes are transported and delivered safely to the customer.
The tubes are usually packed in bundles and secured with steel straps. The number of tubes in a bundle can vary depending on the size and length of the tubes, but it is usually around 50 to 100 pieces. The bundles are then placed on wooden pallets, which are also secured with steel straps to prevent any movement during transportation.
In addition to the bundles and pallets, the tubes are also protected with plastic caps on both ends to prevent any damage during handling and transportation. The caps are usually made of polyethylene and are designed to fit snugly over the ends of the tubes.
To provide further protection during transportation, the bundles and pallets are usually wrapped in a waterproof material, such as plastic or shrink wrap. This helps to prevent any exposure to moisture, which can cause rust or corrosion on the tubes.
TAP Viet Nam ensures that the standard packing procedures are followed to provide the best possible protection for the Welded Steel Tube E260, EN 10305-3 during transportation and delivery. The company also offers customized packing options based on the specific requirements of the customers.

 
Supplier
TAP Viet nam International Investment Joint Stock Company (TAP Viet nam) is a leading supplier of high-quality Welded Steel Tube E260 in accordance with the EN 10305-3 standard. With a commitment to quality and customer satisfaction, TAP Viet nam provides customers with reliable and durable steel tubes for a wide range of applications.
Welded Steel Tube E260 is a low carbon steel tube with high dimensional accuracy and excellent surface quality. It is commonly used in applications that require high precision and tight tolerances, such as automotive, mechanical, and hydraulic systems. The mechanical properties of Welded Steel Tube E260 include a minimum yield strength of 260 MPa and a minimum elongation of 21%.
At TAP Viet nam, we understand the importance of quality and reliability in the products we supply. Therefore, we ensure that our Welded Steel Tube E260 undergoes rigorous inspection and testing procedures. These tests include dimensional inspection, surface inspection, and mechanical testing to ensure that the tube meets the required standards and specifications.
Our Welded Steel Tube E260 is available in a variety of sizes and thicknesses to meet the needs of our customers. We also offer customized solutions to meet specific requirements and applications.
TAP Viet nam is committed to providing exceptional customer service and technical support to our customers. Our team of experts can assist customers in selecting the right Welded Steel Tube E260 for their application and provide guidance on installation, maintenance, and troubleshooting.
In addition to high-quality products and excellent customer service, TAP Viet nam also places great importance on environmental sustainability. We strive to minimize our impact on the environment through responsible manufacturing practices and waste reduction initiatives.
In conclusion, TAP Viet nam International Investment Joint Stock Company is a reliable supplier of Welded Steel Tube E260 in accordance with the EN 10305-3 standard. We offer high-quality products, exceptional customer service, and a commitment to environmental sustainability. Contact us today to learn more about our products and services.

 

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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       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         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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