Rectangular Steel tube E370, EN-10305-5
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 |
Product Name: | Rectangular Steel tube E370, EN-10305-5 | |||||||||||||||
The alternative name or alias of a product: | Rectangular Steel tube E370, EN-10305-5 | |||||||||||||||
Product Description: | ||||||||||||||||
• Steel name: E370 Steel Number 1.0261 • Standard: EN-10305 Part 5 • Type: Welded (ERW) • Size: • Outer Diameter 15 to 120 • Wall Thickness (WT): 1mm to 4mm • Length: 6000mm To 12000mm • 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 |
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Chemical composition | ||||||||||||||||
Steel grade | % by mass | |||||||||||||||
Steel name | Steel number | Carbon. Max | Silicon. Max | Manganese. Max | Phosphorus. Max | Sulfur | Altotalmin. | |||||||||
E370 | 1.0261 | 0.21 | 0.55 | 1.6 | 0,025 | 0,025 | 0, 015 | |||||||||
Mechanical Properties | ||||||||||||||||
Rectangular steel tube E370 is a cold-drawn, electric-welded precision steel tube with a rectangular cross-section. It is manufactured according to the European standard EN-10305-5, which specifies the technical requirements for precision steel tubes. The E370 designation indicates the minimum yield strength of the steel, which is 370 N/mm². The mechanical properties of rectangular steel tube E370 can be summarized as follows: 1. Tensile strength: The minimum tensile strength of E370 steel tube is 450 N/mm². This refers to the maximum stress that the steel can withstand before it breaks under tension. 2. Yield strength: The minimum yield strength of E370 steel tube is 370 N/mm². This refers to the stress level at which the steel begins to deform permanently. 3. Elongation: The minimum elongation of E370 steel tube is 23%. This refers to the percentage of the original length that the steel can stretch before it breaks under tension. 4. Impact strength: The impact strength of E370 steel tube is not specified in EN-10305-5. 5. Hardness: The hardness of E370 steel tube is not specified in EN-10305-5. 6. Fatigue strength: The fatigue strength of E370 steel tube is not specified in EN-10305-5. In addition to these mechanical properties, rectangular steel tube E370 must also meet other technical requirements specified in EN-10305-5, such as dimensional tolerances, surface quality, and straightness. These requirements ensure that the steel tube is suitable for use in precision engineering applications, such as the automotive industry, hydraulic systems, and machinery manufacturing. |
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Inspection and testing | ||||||||||||||||
Rectangular steel tube E370, EN-10305-5, must undergo various inspections and tests to ensure its quality and conformity to the standard. The following are the main types of inspection and testing required for E370 steel tube: 1. Visual inspection: This is a non-destructive inspection that involves examining the surface of the steel tube for defects, such as cracks, scratches, and corrosion. The visual inspection ensures that the steel tube meets the surface quality requirements specified in the standard. 2. Dimensional inspection: This is a non-destructive inspection that involves measuring the dimensions of the steel tube, such as its outer diameter, inner diameter, and wall thickness. The dimensional inspection ensures that the steel tube meets the dimensional tolerances specified in the standard. 3. Tensile test: This is a destructive test that involves subjecting a sample of the steel tube to tension until it breaks. The tensile test measures the strength of the steel and ensures that it meets the minimum tensile strength requirement specified in the standard. 4. Flattening test: This is a destructive test that involves flattening a sample of the steel tube to a specified degree. The flattening test measures the ductility of the steel and ensures that it can withstand deformation without cracking or breaking. 5. Bend test: This is a destructive test that involves bending a sample of the steel tube to a specified degree. The bend test measures the flexibility of the steel and ensures that it can withstand bending without cracking or breaking. 6. Impact test: This is a destructive test that involves subjecting a sample of the steel tube to a sudden impact. The impact test measures the toughness of the steel and ensures that it can withstand sudden loads without fracturing. 7. Ultrasonic test: This is a non-destructive test that involves using ultrasonic waves to detect defects in the steel tube, such as cracks, voids, and inclusions. The ultrasonic test ensures that the steel tube is free of internal defects that could affect its performance. 8. Eddy current test: This is a non-destructive test that involves using electromagnetic waves to detect surface defects in the steel tube, such as cracks and corrosion. The eddy current test ensures that the steel tube is free of surface defects that could affect its performance. 9. Chemical analysis: This is a non-destructive test that involves analyzing the chemical composition of the steel tube to ensure that it meets the requirements specified in the standard. All of these inspections and tests must be performed by qualified personnel using appropriate equipment and procedures to ensure the accuracy and reliability of the results. The test reports and certificates must be documented and provided to the customer as proof of the quality and conformity of the steel tube to the standard. |
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Pressure and Temperature Ratings | ||||||||||||||||
The pressure rating and temperature limits for rectangular steel tube E370, EN-10305-5, depend on several factors, including the dimensions of the tube, the wall thickness, the material properties, and the intended application. However, some general guidelines can be provided based on the standard and industry practice. Pressure rating: The pressure rating of E370 steel tube depends on the maximum allowable stress of the material, the wall thickness, and the dimensions of the tube. According to EN-10305-5, the minimum yield strength of E370 steel is 370 N/mm², which can be used to calculate the maximum allowable stress of the material. The pressure rating can then be calculated using the following formula: Pressure rating (in bar) = (Maximum allowable stress × Wall thickness) / (2 × Outside diameter) For example, if the E370 steel tube has an outside diameter of 50 mm and a wall thickness of 3 mm, the pressure rating can be calculated as follows: Maximum allowable stress = 370 N/mm² Pressure rating = (370 × 3) / (2 × 50) = 11.1 bar Temperature limits: The temperature limits for E370 steel tube depend on the material properties, the dimensions of the tube, and the intended application. According to EN-10305-5, the steel tube can be used at temperatures between -20°C and +120°C. However, the actual temperature limit may vary depending on the specific application and the environmental conditions. It is important to note that the pressure rating and temperature limits of E370 steel tube should be determined based on the specific application and the relevant standards and regulations. The calculations and assessments should be performed by qualified personnel using appropriate methods and tools to ensure the safety and reliability of the system. |
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Surface Treatment | ||||||||||||||||
Rectangular steel tube E370, EN-10305-5, may undergo surface treatment to improve its appearance, corrosion resistance, and other properties. The following are some common types of surface treatment for E370 steel tube: 1. Hot-dip galvanizing: This is a process in which the steel tube is immersed in a bath of molten zinc, which forms a protective layer on the surface of the steel. Hot-dip galvanizing provides excellent corrosion resistance and can extend the service life of the steel tube. It is commonly used in outdoor applications where the steel is exposed to harsh environments. 2. Electroplating: This is a process in which a thin layer of metal, such as zinc or chrome, is deposited on the surface of the steel tube using an electrolytic cell. Electroplating can improve the appearance, corrosion resistance, and wear resistance of the steel tube. It is commonly used in decorative and functional applications. 3. Powder coating: This is a process in which a powder coating material is applied to the surface of the steel tube using an electrostatic charge, then cured at high temperature to form a durable and attractive coating. Powder coating provides excellent corrosion resistance, chemical resistance, and weather resistance, and can be used in a wide range of applications. 4. Painting: This is a process in which a paint coating is applied to the surface of the steel tube to improve its appearance and corrosion resistance. Painting can be used in a wide range of applications and can provide a variety of colors and finishes. 5. Anodizing: This is a process in which a layer of oxide is formed on the surface of the steel tube by electrolysis. Anodizing can improve the corrosion resistance and wear resistance of the steel tube and can provide a variety of colors and finishes. 6. Passivation: This is a process in which the surface of the steel tube is treated with an acid solution to remove impurities and form a passive oxide layer. Passivation can improve the corrosion resistance of the steel tube and is commonly used in applications where the steel is exposed to corrosive environments. It is important to note that the selection of surface treatment for E370 steel tube should be based on the specific application, the environmental conditions, and the relevant standards and regulations. The surface treatment should be performed by qualified personnel using appropriate methods and equipment to ensure the quality and performance of the steel tube. |
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Standard marking for steel tubes | ||||||||||||||||
Rectangular steel tube E370, EN-10305-5, is required to be marked with certain information in accordance with the standard to ensure traceability and compliance with regulatory requirements. The following are some of the standard markings that may be found on E370 steel tubes: 1. Manufacturer's mark: This is the identification mark of the manufacturer or supplier of the steel tube. It may be a logo, symbol, or name that is used to identify the source of the product. 2. Size and dimensions: The outside dimensions of the rectangular steel tube, including the width, height, and wall thickness, are typically marked on the tube. This information is important for identifying the correct size and application of the steel tube. 3. Steel grade: The steel grade, in this case E370, is marked on the steel tube to indicate the material properties and composition. 4. Production standard: The production standard, EN-10305-5, is marked on the steel tube to indicate that the tube has been manufactured in accordance with the requirements of the standard. 5. Heat number: The heat number is a unique identifier assigned to each batch of steel during the manufacturing process. It is used to trace the origin of the steel and ensure quality control. 6. Batch or serial number: This is an additional identifier that may be used to track the steel tube through the manufacturing and distribution process. 7. Country of origin: The country of origin of the steel tube may be marked on the tube to indicate where it was produced. It is important to note that the specific markings required may vary depending on the standard and regulatory requirements in the region where the steel tube is being used. The markings should be clear and legible, and should be maintained throughout the entire manufacturing and distribution process to ensure traceability and compliance. |
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Standard packing for steel Tubes | ||||||||||||||||
Rectangular steel tube E370, EN-10305-5, is typically packaged in a manner that protects it from damage during transport and storage. The following are some common methods of standard packing for E370 steel tubes: 1. Bundles: Rectangular steel tubes are often bundled together using steel straps or wire ties. The bundles are typically wrapped in waterproof paper or plastic to protect the tubes from moisture and dirt. 2. Wooden boxes or crates: For added protection, rectangular steel tubes may be packaged in wooden boxes or crates. The boxes or crates are typically lined with waterproof material and are designed to withstand the rigors of transport and storage. 3. Pallets: Rectangular steel tubes may also be packaged on pallets, which can be easily moved using a forklift or pallet jack. The tubes are typically strapped or secured to the pallet using steel straps or wire ties. 4. Plastic caps: To protect the ends of the rectangular steel tubes from damage during transport and handling, plastic caps may be applied to the ends of the tubes. The caps are typically made of high-density polyethylene and are designed to fit tightly over the ends of the tubes. 5. Marking: The packaging may also be marked with important information, such as the size and dimensions of the steel tubes, the steel grade, the production standard, and any other relevant information. It is important to note that the specific packing method used for E370 steel tubes may vary depending on the size and quantity of the tubes, as well as the transportation and storage conditions. The packaging should be designed to provide adequate protection for the tubes and should be handled carefully to prevent damage during transport and storage. |
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Supplier | ||||||||||||||||
TAP Viet Nam International Investment Joint Stock Company, or TAP Viet Nam for short, is a well-established supplier of rectangular steel tube E370, EN-10305-5. With years of experience in the steel industry, TAP Viet Nam has built a solid reputation for providing high-quality steel products and excellent customer service. Rectangular steel tube E370, EN-10305-5, is a precision welded steel tube with high mechanical properties and excellent dimensional accuracy. It is commonly used in a wide range of industrial applications, such as machinery, automotive, construction, and engineering. At TAP Viet Nam, we understand the importance of quality and reliability when it comes to steel products. That's why we source our steel tubes from top manufacturers who adhere to strict quality control standards. Our rectangular steel tubes are manufactured in compliance with the EN-10305-5 standard, which specifies the requirements for the production of precision steel tubes. Our rectangular steel tube E370, EN-10305-5, is available in a range of sizes and thicknesses to suit different applications. We also offer custom cutting services to meet the specific requirements of our customers. Whether you need a few pieces or a large quantity of steel tubes, we can provide you with a timely and cost-effective solution. At TAP Viet Nam, we are committed to providing our customers with the best possible service. We have a dedicated team of professionals who are available to answer any questions you may have and to provide technical support when needed. We also offer flexible payment and delivery options to ensure that our customers receive their steel tubes on time and within budget. In addition to rectangular steel tube E370, EN-10305-5, we also offer a wide range of other steel products, including round steel tubes, steel sheets, and steel coils. We are a one-stop shop for all your steel needs, and we strive to build long-term relationships with our customers based on trust and mutual respect. In conclusion, if you are looking for a reliable supplier of rectangular steel tube E370, EN-10305-5, look no further than TAP Viet Nam International Investment Joint Stock Company. We are committed to providing high-quality steel products and excellent customer service, and we look forward to working with you to meet your steel needs. |
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Dimensions and tolerances. Square and rectangular Steel tubes EN 10305-5 EN 10305-5 is a European standard that specifies the requirements for square and rectangular steel tubes used for mechanical and general engineering purposes. The standard specifies the dimensions and tolerances for these tubes, as well as the technical delivery conditions. Dimensions: The standard specifies the following dimensions for square and rectangular steel tubes: 1. Outer dimensions: The outer dimensions of the tubes shall be measured in millimeters and shall be within the range of 10 mm x 10 mm to 200 mm x 200 mm for square tubes and 10 mm x 15 mm to 150 mm x 200 mm for rectangular tubes. 2. Wall thickness: The wall thickness of the tubes shall be measured in millimeters and shall be within the range of 0.5 mm to 8 mm. 3. Length: The length of the tubes shall be measured in meters and shall be within the range of 3 m to 12 m. Tolerances: The standard specifies the following tolerances for square and rectangular steel tubes: 1. Outer dimensions: The outer dimensions of the tubes shall be within the tolerances specified in Table 1 of the standard. The tolerances vary depending on the size of the tube. 2. Wall thickness: The wall thickness of the tubes shall be within the tolerances specified in Table 2 of the standard. The tolerances vary depending on the size of the tube. 3. Length: The length of the tubes shall be within the tolerances specified in Table 3 of the standard. The tolerances vary depending on the length of the tube. Technical delivery conditions: The standard specifies the following technical delivery conditions for square and rectangular steel tubes: 1. Steel grades: The tubes shall be made of steel grades specified in the standard. 2. Manufacturing process: The tubes shall be manufactured by either cold drawing or cold rolling. 3. Surface conditions: The tubes shall be supplied with a smooth surface finish, free from defects such as cracks, laps, and seams. 4. Straightness: The tubes shall be straight and have a maximum deviation of 1 mm per meter of length. 5. Other requirements: The standard specifies other requirements such as chemical composition, mechanical properties, and non-destructive testing that the tubes shall meet. Overall, EN 10305-5 provides a detailed specification for the dimensions, tolerances, and technical delivery conditions for square and rectangular steel tubes used in mechanical and general engineering applications. |
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Side length (s) | Sizes, tolerances and mass per unit length | ||||||||
Dimensions in millimetres | |||||||||
H | B (or H) |
Tolerance of H and B |
1 | 1.25 | 1.5 | 2 | 2.5 | 3 | 4 |
15 | 15 | ±0,20 | 0.438 | 0.537 | 0.632 | 0.810 | |||
20 |
10 15 20 |
±0,20 |
0,438 0,516 0,595 |
0,537 0,635 0,733 |
0,632 0,750 0,868 |
0,810 0,967 1,12 |
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25 |
15 25 |
±0,25 |
0,595 0,752 |
0,733 0,930 |
0,868 1,10 |
1,12 1,44 |
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30 |
10 15 20 30 |
±0,25 |
0,595 0,673 0,752 0,909 |
0,733 0,831 0,930 1,13 |
0,868 0,985 1,10 1,34 |
1,12 1,28 1,44 1,75 |
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2.15 | 2.39 | ||||||||
34 | 20 | ±0,25 | 0.815 | 1.01 | 1.20 | 1.56 | |||
35 |
20 25 35 |
±0,25 |
0,830 0,909 1,07 |
1,03 1,13 1,32 |
1,22 1,34 1,57 |
1,59 1,75 2,07 |
1,95 2,15 2,54 |
2,39 2,86 |
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40 |
20 25 30 40 |
±0,30 |
1,34 1,46 1,57 1,81 |
1,75 1,91 2,07 2,38 |
2,15 2,34 2,54 2,93 |
2,39 2,63 2,86 3,33 |
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4.25 | |||||||||
45 | 45 | ±0,30 | 2.05 | 2.69 | 3.33 | 3.80 | 4.88 | ||
50 |
20 25 30 40 50 |
±0,30 |
1,57 1,69 1,81 2,05 2,28 |
2,07 2,22 2,38 2,69 3,01 |
2,54 2,74 2,93 3,33 3,72 |
2,86 3,10 3,33 3,80 4,28 |
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4,25 | |||||||||
4,88 | |||||||||
5,51 | |||||||||
60 |
20 30 40 50 60 |
±0,35 |
2,38 2,69 3,01 3,32 3,64 |
2,93 3,33 3,72 4,11 4,50 |
3,33 3,80 4,28 4,75 5,22 |
4,88 5,51 6,14 6,76 |
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70 |
40 70 |
±0,40 |
3,32 4,26 |
4,11 5,29 |
4,75 6,16 |
6,14 8,02 |
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80 |
20 30 40 50 60 80 |
±0,50 |
3,01 3,32 3,64 3,95 4,26 4,89 |
3,72 4,11 4,50 4,90 5,29 6,07 |
4,28 4,75 5,22 5,69 6,16 7,10 |
6,76 7,39 8,02 9,28 |
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90 | 90 | ±0,60 | 5.52 | 6.86 | 8.04 | 10.5 | |||
100 |
40 50 60 80 100 |
±0,65 |
4,26 4,58 4,89 5,52 6,15 |
5,29 5,68 6,07 6,86 7,64 |
6,16 6,63 7,10 8,04 8,99 |
8,02 8,65 9,28 10,5 11,8 |
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120 |
40 60 |
±0,70 |
4,89 5,52 |
6,07 6,86 |
7,10 8,04 |
9,28 10,5 |
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TAP - HÀ NỘI
Chi nhánh Hà Nội
Address : Số 32 Lô N4D, đường X2A, Yên Sở, Hoàng Mai, Hà Nội
Phone : 0933 86 77 86 - Email : info@tapgroup.vn
TAP - HỒ CHÍ MINH
Chi nhánh Hồ Chí Minh
Address : 137 Quốc lộ 1A, Phường Bình Hưng Hòa Quận Bình Tân, Thành Phố Hồ Chí Minh
Phone : 0933 86 77 86 - Email : info@tapgroup.vn