Welded Steel Tube P355NL2, EN-10217-3

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
Product Name: Welded Steel Tube P355NL2, EN-10217-3
The alternative name or alias of a product: Welded Steel Pipe P355NL2, EN-10217-3
Product Description:
• Material: P355NL2, – Steel Number. 1.1106
• Type: Welded
• Standard: EN-10217-3
• Size:
• Outer Diameter (OD): OD10.2 to OD2540
• Wall Thickness (WT): 0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm, 2.0mm, 2.3mm, 2.6mm, 2.9mm, 3.2mm, 3.6mm, 4.0mm, 4.5mm, 5.0mm, 5.6mm, 6.3mm, 7.1mm, 8.0mm, 8.8mm, 10.0mm, 11mm, 12.5mm, 14.2mm, 16.0mm, 17.5mm, 20.0mm, 22.2mm, 25mm, 28mm, 30mm, 32mm, 36mm, 40mm
• Length: 6000mm To 12000mm
• Surface Treatment: Fusion Bonded Epoxy (FBE, Three-Layer Polyethylene (3LPE), Three-Layer Polypropylene (3LPP), Coal Tar Enamel (CTE), Concrete Weight Coating (CWC), Hot-Dip Galvanizing (HDG), Zinc-Rich Paint Coating: Zinc-rich paint, Aluminum, Ceramic Coating, Polymer Coating, Polyurethane Coating,
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
Welded Steel Tube P355NL2, EN-10217-3 is a low carbon, fine grain steel tube that is used in various applications, such as in the construction of pressure vessels, boilers, and pipelines. The chemical composition of Welded Steel Tube P355NL2, EN-10217-3 is as follows:
Steel grade C Si max Mn P max S max Cr max Mo Ni max Al totb Cu max N max Nb max Ti max V max Nb+Ti+V max
Steel name Steel number
P355NL2 1.1106 0.18 0.5 0.9 to 1.7 0,025 0.015 0,30c 0,08c 0.50 0.02 0,30cd 0.02 0.05 0.03 0.10 0.12
The fine-grained structure of P355NL2 steel makes it suitable for low-temperature applications. The low carbon content of the steel improves its weldability, while the presence of alloying elements, such as manganese, chromium, nickel, and molybdenum, enhances its mechanical properties, such as strength and toughness.
The chemical composition of Welded Steel Tube P355NL2, EN-10217-3 is strictly controlled to ensure that the steel meets the required specifications for its intended application. The composition may vary slightly depending on the manufacturing process, but the overall composition is within the specified range. The chemical composition of the steel is typically provided on the mill test certificate, which is issued by the manufacturer and accompanies the product during transportation and storage.
Mechanical Properties
The mechanical properties of Welded Steel Tube P355NL2, EN-10217-3 are important considerations in determining its suitability for different applications. The following are the typical mechanical properties of this steel tube:
Steel name: P355NL2 Steel number: 1.1106 Tensile strength: 490-630 N/mm²
Yield strength: 355 N/mm²
Elongation: 22% 
Impact strength: -50°C
The above mechanical properties are tested in accordance with the standard EN 10002-1. The high tensile and yield strength of the steel tube make it suitable for use in high-pressure applications, such as in the construction of pressure vessels and boilers. The elongation property indicates the ductility of the steel tube, which is important in determining its ability to withstand deformation without breaking. The elongation value of 22% indicates that the steel tube is highly ductile and can be formed into different shapes without cracking.
The impact strength property of -50°C indicates that the steel tube can withstand low-temperature environments without losing its mechanical properties. This makes it suitable for use in applications where the steel tube is exposed to low temperatures, such as in the construction of pipelines for the transportation of liquefied natural gas (LNG).
The mechanical properties of Welded Steel Tube P355NL2, EN-10217-3 are critical in ensuring that the steel tube meets the required performance criteria for its intended application. The mechanical properties are typically provided on the mill test certificate, which is issued by the manufacturer and accompanies the product during transportation and storage. It is important to ensure that the mechanical properties of the steel tube are within the specified range to ensure that it can perform as expected.
 Inspection and testing 
The inspection and testing of Welded Steel Tube P355NL2, EN-10217-3 are essential to ensure that the product meets the required quality standards and performance criteria for its intended application. The following are some of the typical inspection and testing procedures performed on this steel tube:
1. Visual inspection: This is the first stage of inspection, where the steel tube is visually examined for any defects, such as cracks, dents, or surface irregularities.
2. Dimensional inspection: The dimensional measurements of the steel tube are checked against the required specifications to ensure that it meets the required size, shape, and thickness.
3. Chemical analysis: The chemical composition of the steel tube is analyzed to ensure that it meets the required specifications.
4. Mechanical testing: The mechanical properties of the steel tube, such as tensile strength, yield strength, elongation, and impact strength, are tested to ensure that they meet the required specifications.
5. Non-destructive testing: Various non-destructive testing methods, such as ultrasonic testing, radiographic testing, and magnetic particle testing, are performed to detect any defects or discontinuities in the steel tube.
6. Hydrostatic testing: The steel tube is subjected to a hydrostatic pressure test to ensure that it can withstand the required pressure without leaking or rupturing.
7. Surface inspection: The surface of the steel tube is inspected to ensure that it is free from any defects, such as scratches or corrosion, that could affect its performance.
The above inspection and testing procedures are typically performed by the manufacturer before the steel tube is shipped to the customer. The results of the inspection and testing are typically provided on the mill test certificate, which accompanies the product during transportation and storage. It is important to ensure that the inspection and testing procedures are carried out according to the required standards to ensure that the product meets the required quality standards and performance criteria.
Pressure and Temperature Ratings of
The pressure and temperature ratings of Welded Steel Tube P355NL2, EN-10217-3 depend on its size, wall thickness, and the material properties. These ratings are important in determining the suitability of the steel tube for different applications where it is exposed to high pressure and temperature environments. The following are some typical pressure and temperature ratings for this steel tube:
1. Pressure ratings: The maximum allowable working pressure (MAWP) of Welded Steel Tube P355NL2, EN-10217-3 varies depending on its size and wall thickness. For example, for a tube with an outer diameter of 114.3 mm and a wall thickness of 6.3 mm, the MAWP is approximately 282 bar (4100 psi) at room temperature. The pressure rating decreases with increasing temperature due to the reduction in the material's strength at high temperatures.
2. Temperature ratings: The maximum allowable working temperature (MAWT) of Welded Steel Tube P355NL2, EN-10217-3 is determined by the material properties, including its thermal conductivity, coefficient of thermal expansion, and specific heat capacity. For this steel tube, the maximum allowable working temperature is approximately 400°C. However, this temperature rating may vary depending on the application and specific material properties.
It is important to note that the pressure and temperature ratings of Welded Steel Tube P355NL2, EN-10217-3 are provided for general guidance purposes only and should not be used as a substitute for specific design calculations. The actual pressure and temperature ratings of the steel tube for a specific application should be determined by a qualified engineer or designer, taking into account all relevant factors, including the application requirements, operating conditions, and safety considerations.
Standard marking for welded steel tubes
Welded Steel Tube P355NL2, EN-10217-3 is marked in accordance with the European standard EN 10217-3, which specifies the requirements for the production and supply of welded steel tubes for pressure purposes. The standard specifies the following markings to be applied to the steel tube:
1. Manufacturer's name or trademark
2. Product standard designation – EN 10217-3
3. Steel grade – P355NL2
4. Dimensional properties – outer diameter, wall thickness, and length
5. Batch or serial number
6. Date of manufacture
7. Pressure and temperature ratings (if applicable)
8. Marking of non-destructive testing (if applicable)
9. Marking of heat treatment (if applicable)
The markings are typically applied using paint, ink, or other permanent marking methods, and they should be clearly visible and legible. The marking should be placed on the steel tube at least once per length, and additional marking may be applied as required by the customer or the application. The markings provide important information about the steel tube, including its specification, material properties, and traceability, which is critical for quality control, identification, and tracking purposes. It is important to ensure that the markings are applied in accordance with the standard requirements to ensure that the steel tube meets the required quality standards and performance criteria.
Standard packing for steel Tubes
The standard packing for Welded Steel Tube P355NL2, EN-10217-3 is designed to ensure that the steel tube is protected during transportation and storage and is delivered to the customer in good condition. The following are the typical packing options for this steel tube:
1. Bundles: The steel tubes are bundled together using steel straps or nylon straps. The bundles are typically 2-3 metric tons in weight and are designed to be lifted using a forklift or crane.
2. Wooden boxes: The steel tubes can be packed in wooden boxes for added protection. The wooden boxes are typically designed to hold 1-2 metric tons of steel tubes and are lined with moisture-resistant material to prevent corrosion.
3. Plastic caps: Plastic caps can be used to protect the ends of the steel tubes from damage during transportation and handling. The caps are typically made of high-density polyethylene (HDPE) and are secured using steel straps or nylon straps.
4. Marking: The steel tubes are marked with the relevant information, including the product standard designation, steel grade, dimensions, batch or serial number, and any other relevant information. This marking is typically applied using paint, ink, or other permanent marking methods.
The packing options for Welded Steel Tube P355NL2, EN-10217-3 may vary depending on the customer's requirements, the mode of transportation, and the destination. It is important to ensure that the steel tube is packed properly to prevent damage during transportation and storage and to ensure that it meets the required quality standards and performance criteria.
Supplier
TAP Vietnam International Investment Joint Stock Company (TAP Vietnam) is a leading supplier of high-quality Welded Steel Tube P355NL2, EN-10217-3 in Vietnam. With years of experience in the steel industry and a strong commitment to customer satisfaction, TAP Vietnam has established itself as a trusted and reliable supplier of steel tubes for various applications.
Welded Steel Tube P355NL2, EN-10217-3 is a pressure-resistant steel tube that is used in a variety of applications, including power generation, chemical processing, and oil and gas exploration. It is made from high-quality steel and has excellent mechanical properties, making it suitable for use in high-pressure and high-temperature environments. The chemical composition and mechanical properties of Welded Steel Tube P355NL2, EN-10217-3 meet the requirements of the European standard EN 10217-3, ensuring that it meets the highest quality standards and performance criteria.
As a leading supplier of Welded Steel Tube P355NL2, EN-10217-3, TAP Vietnam is committed to providing its customers with the highest quality products and services. The company works closely with its customers to understand their requirements and provides customized solutions that meet their specific needs. TAP Vietnam has a team of experienced and skilled professionals who are dedicated to ensuring that every order is delivered on time and to the customer's satisfaction.
TAP Vietnam has a state-of-the-art production facility that is equipped with the latest technology and machinery. The company's production process is designed to ensure that the steel tubes are manufactured to the highest standards of quality and performance. The production process includes cutting, welding, heat treatment, testing, and inspection, ensuring that the steel tubes are free from defects and meet the required specifications.
In addition to supplying Welded Steel Tube P355NL2, EN-10217-3, TAP Vietnam also provides a range of value-added services, including cutting, machining, and packaging. The company works closely with its customers to understand their needs and provides customized solutions that meet their specific requirements.
In conclusion, TAP Vietnam International Investment Joint Stock Company (TAP Vietnam) is a leading supplier of high-quality Welded Steel Tube P355NL2, EN-10217-3 in Vietnam. With its commitment to quality, customer satisfaction, and customized solutions, TAP Vietnam has established itself as a trusted and reliable supplier of steel tubes for various applications. If you are looking for high-quality steel tubes for your business, TAP Vietnam is the right choice for you.
Dimensions of Steel tube EN 10217-3
dimensions in mm
Outside diameter D
series a
Wall thickness T
1 2 3 0.5 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.3 2.6 2.9 3.2 3.6 4 4.5 5 5.6
10.2                                        
12                                      
12.7                                      
13.5                                        
  14                                    
16                                      
17.2                                        
  18                                    
19                                      
20                                      
21.3                                        
  22                                    
25                                      
  25.4                                    
26.9                                        
  30                                    
31.8                                      
32                                      
33.7                                        
  35                                    
38                                      
40                                      
42.4                                        
  44.5                                    
48.3                                        
51                                      
  54                                    
57                                      
60.3                                        
63.5                                      
70                                      
  73                                    
76.1                                        
  82.5                                    
88.9                                        
101.6                                      
  108                                    
114.3                                        
127                                      
133                                      
139.7                                        
  141.3                                    
  152.4                                    
  159                                    
168.3                                        
  177.8                                    
  193.7                                    
219.1                                        
  244.5                                    
273                                        
323.9                                        
355.6                                        
406.4                                        
457                                        
508                                        
  559                                    
610                                        
  660                                    
711                                        
762                                      
813                                        
  864                                    
914                                        
1 016                                        
1 067                                        
1 118                                        
1 168                                      
1 219                                        
1.321                                      
1.422                                        
 Preferred dimensions (concluded)
dimensions in mm
Outside diameter D
series
a
Wall thickness T
1 2 3 6.3 7.1 8 8.8 10 11 12.5 14.2 16 17.5 20 22.2 25 28 30 32 36 40
    30                                    
  31.8                                      
  32                                      
33.7                                        
    35                                    
  38                                      
  40                                      
42.4                                        
    44.5                                    
48.3                                        
  51                                      
    54                                    
  57                                      
60.3                                        
  63.5                                      
  70                                      
    73                                    
76.1                                        
    82.5                                    
88.9                                        
  101.6                                      
    108                                    
114.3                                        
  127                                      
  133                                      
139.7                                        
    141.3                                    
    152.4                                    
    159                                    
168.3                                        
    177.8                                    
    193.7                                    
219.1                                        
    244.5                                    
273                                        
323.9                                        
355.6                                        
406.4                                        
457                                        
508                                        
    559                                    
610                                        
    660                                    
711                                        
  762                                      
813                                        
    864                                    
914                                        
1 016                                        
1 067                                        
1 118                                        
  1 168                                      
1 219                                        
  1 321                                      
1 422                                        
  1 524                                      
1 626                                        
  1 727                                      
1 829                                        
  1 930                                      
2 032                                        
  2 134                                      
2 235                                        
  2 337                                      
  2 438                                      
2.540                                        
a series 1 = diameters for which all the accessories needed for the construction of piping system are standardised;
series 2 = diameters for which not all the accessories are standardised;
series 3 = diameters for special application for which very few standardised accessories exist.
Tolerances
Tolerances on diameter and thickness

The diameter and the wall thickness of the tubes shall be within the tolerance limits given
Tolerances on outside diameter and wall thickness
dimension in mm
Outside diameter
D
Tolerance on
outside diameter
D
wall thickness   T a
T ≤ 5 5 < T d ≤ 40
D ≤ 219,1 ±  1% or ± 0,5
whichever is the greater
± 10 % or ± 0,3
whichever is the greater
± 8 % or ± 2
whichever is the smaller
D > 219,1 ± 0,75 % or ± 6
whichever is the smaller
Height of the weld seam
The height of the external and internal weld seam shall be within the limits indicated
 Maximum height of the weld seam for EW and BW tubes
dimension in mm
Manufacturing Process Quality TR1 Quality TR2
Outside Inside Outside Inside
EW Trimmed 1,5 Trimmed 0,5 + 0,05 T
BW As rolled 0,5 + 0,05T
Maximum height of the weld seam for SAW tubes
dimensions in mm
Wall thickness
T
Maximum height of the weld seam
Inside Outside
T ≤ 12,5 3,5 3,5
T > 12,5 4,8 4,8
Height of the weld seam
The height of the external and internal weld seam shall be within the limits indicated
Radial offset of plate or strip edges at the weld for SAW tubes
The radial offset of the abutting plate or strip edges shall be within the limits indicated
 Maximum radial offset of the abutting plate or strip
dimensions in mm
Wall Thickness T Maximum radial offset
T ≤ 12,5 1.6
T > 12,5 0,125 T with a max. of 3,2
Misalignment of the weld seam of SAW tubes
Misalignment of the weld seam shall be acceptable provided complete penetration and complete fusion are achieved.
Tolerances on exact length
The tolerances for exact lengths shall be as given
Tolerances on exact length
dimensions in mm
Length Tolerances on exact length for outside diameter (D)
L < 406,4 ≥ 406,4
L ≤ 6000 +10
0
+25
0
6000 < L ≤ 12000 +15
0
+50
0
L > 12000 + by agreement
0
tapgroup

Mr. Thi

tapgroup Email: theptangiabao@gmail.com
tapgroup Skype:
tapgroup Hotline/ Zalo/ Wechat: +84 982 384 688
tapgroup

Ms. Hoa

tapgroup Email: theptangiabao@gmail.com
tapgroup Skype:
tapgroup Hotline/ Zalo/ Wechat: +84 982 803 586
tapgroup

Ms. Phương

tapgroup Email: theptangiabao@gmail.com
tapgroup Skype:
tapgroup Hotline/ Zalo/ Wechat: +84 971 567 341
tapgroup

Ms. Trinh

tapgroup Email: theptangiabao@gmail.com
tapgroup Skype:
tapgroup Hotline/ Zalo/ Wechat: +84 971 567 943
tapgroup

Ms. Trân

tapgroup Email: theptangiabao@gmail.com
tapgroup Skype:
tapgroup Hotline/ Zalo/ Wechat: +84 971 567 954
tapgroup