Welded Steel Tube P265NL, EN-10217-4

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 for welded steel tubes P265NL, EN-10217-4

Product Name:

Welded Steel Tube P265NL, EN-10217-4

The alternative name or alias of a product:

Welded Steel Pipe P265NL, EN-10217-4

Product Description:

• Material: P265NL, – Steel Number:1.0453
• Type: Welded
• Standard: EN-10217-4
• 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, 20mm, 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 P265NL, according to EN-10217-4 standard, is a low-temperature carbon steel that is commonly used in pressure vessels, boilers, and pipelines. The chemical composition of P265NL steel is as follows:

Steel grade

Si max

P max

S max

Cr max

Ni max

Al tot

Cu^bmax

Nb^dmax

Ti^dmax

V^dmax

Cr+Cu+Mo+Ni max

Steel name

Steel number

P265NL

1.0453

0.2

0.4

0.6

1.4

0.025

0.02

0.3

0.08

0.3

0.02

0.3

0.01

0.03

0.02

The above chemical composition is based on ladle analysis, which is performed on the molten steel before it is cast into the final shape of the tube. The chemical composition is critical in determining the mechanical and physical properties of the steel, including its strength, ductility, and resistance to corrosion.
It is important to note that the chemical composition may vary slightly depending on the manufacturing process and the specific requirements of the customer. However, the chemical composition of P265NL steel is typically within the specified ranges to ensure that it meets the EN-10217-4 standard requirements.

Mechanical Properties

The mechanical properties of welded steel tube P265NL, according to EN-10217-4 standard, are as follows:

Steel name: P265NL

Steel number: 1.0453

Tensile strength: 410-570 Mpa

Yield strength: 265 MPa minimum

Elongation: 22% min

Impact strength: 27 J minimum at -50°C

These mechanical properties are measured on the finished product after the tube has undergone the welding and heat treatment processes. Yield strength is the stress at which the steel begins to deform plastically, while tensile strength is the maximum stress that the steel can withstand before it breaks. Elongation is a measure of the ductility of the steel, or its ability to deform before breaking, while impact energy is a measure of the steel's toughness, or its ability to absorb energy before fracturing.
It is important to note that the mechanical properties of P265NL steel may vary slightly depending on factors such as the thickness and diameter of the tube, the welding process, and the heat treatment conditions. However, the mechanical properties of P265NL steel are typically within the specified ranges to ensure that it meets the EN-10217-4 standard requirements.
The high yield strength and good toughness of P265NL steel make it ideal for use in low-temperature applications where high pressure and corrosive conditions are present, such as in pressure vessels, boilers, and pipelines. Its good weldability also makes it a popular choice for welded structures.

Inspection and testing

The inspection and testing of welded steel tube P265NL, according to EN-10217-4 standard, are critical to ensure that the product meets the required quality standards and specifications. The following are some of the typical inspection and testing methods used:
1. Dimensional Inspection: This involves checking the outer diameter, wall thickness, length, and straightness of the tube to ensure they meet the specified requirements.
2. Visual Inspection: This involves a visual examination of the tube to detect any surface defects such as cracks, pits, or inclusions that may affect the quality of the final product.
3. Ultrasonic Testing (UT): This non-destructive testing method involves using high-frequency sound waves to detect any internal defects in the tube such as voids, cracks, or inclusions that may affect the product's performance.
4. Eddy Current Testing (ECT): This non-destructive testing method involves using electromagnetic induction to detect any surface or near-surface defects such as cracks or corrosion.
5. Tensile and Impact Testing: This involves testing the mechanical properties of the steel, including its tensile strength, yield strength, elongation, and impact energy, to ensure that they meet the specified requirements.
6. Chemical Analysis: This involves analyzing the chemical composition of the steel to ensure that it meets the specified requirements.
7. Pressure Testing: This involves subjecting the tube to hydraulic or pneumatic pressure to test its resistance to pressure and to detect any leaks.
8. Flattening Test: This involves flattening the tube to a specified percentage of its original diameter to test its ductility and to detect any defects.
All of these inspection and testing methods are designed to ensure that the welded steel tube P265NL meets the required quality standards and specifications and is safe to use in its intended applications.

Pressure and Temperature Ratings of

The pressure and temperature ratings of welded steel tube P265NL, according to EN-10217-4 standard, are determined based on the tube's mechanical properties, chemical composition, and dimensions.
The maximum allowable pressure and temperature ratings of P265NL welded steel tube are determined by calculating its wall thickness and diameter, and referring to the relevant code or standard for the specific application. In general, the higher the wall thickness and diameter of the tube, the higher the pressure and temperature ratings.
The maximum allowable pressure rating of P265NL welded steel tube is typically calculated using the Barlow's formula, which takes into account the tube's wall thickness, diameter, and allowable stress. The maximum allowable temperature rating, on the other hand, is determined based on the tube's ability to resist thermal stresses and deformation at elevated temperatures.
It is important to note that the pressure and temperature ratings of P265NL welded steel tube may vary depending on factors such as the application, operating conditions, and the relevant codes and standards. Therefore, it is recommended to consult with a qualified engineer or the relevant code or standard to determine the appropriate pressure and temperature ratings for a specific application.
In general, P265NL welded steel tube is suitable for use in high-pressure and high-temperature applications such as steam boilers, pressure vessels, and pipelines in the oil and gas industry. The maximum allowable pressure and temperature ratings of P265NL welded steel tube should be carefully considered to ensure that it meets the required safety and performance standards for the specific application.

Standard marking for welded steel tubes

According to the EN-10217-4 standard, the standard marking of welded steel tube P265NL should include the following information:
1. Manufacturer's name or trademark
2. Tube type – welded steel tube
3. Steel grade – P265NL
4. Size specifications – outer diameter, wall thickness, and length
5. Heat number – a unique identification code that identifies the batch of steel used to manufacture the tube
6. Production standard – EN 10217-4
7. Inspection and testing standards – EN 10217-4
8. CE mark – indicates that the product conforms to the relevant EU directives and standards
9. Other relevant markings – such as pressure class, batch number, or customer-specific markings.
The markings should be clear, permanent, and legible, and may be either stamped or painted on the tube surface. The standard marking is essential for identification and traceability of the welded steel tube P265NL, ensuring that the product meets the required quality standards and specifications.
In addition to the standard marking, the manufacturer may also provide other relevant information such as the weight of the tube, manufacturing date, and any special requirements or restrictions for use. The markings and additional information should be provided on the packaging, accompanying documents, or as agreed with the customer.
Proper marking of the welded steel tube P265NL is important to ensure that the product can be identified and traced throughout its lifecycle, from manufacturing to installation and maintenance. It also helps to ensure that the product meets the required safety and quality standards for its intended application.

Standard packing for steel Tubes

According to the EN-10217-4 standard, welded steel tube P265NL should be packed in a way that protects it from damage during transportation and storage. The standard packing typically includes the following:
1. Bundles – The tubes are usually bundled together using steel straps or plastic bands. The bundles are designed to facilitate handling with lifting equipment and to prevent damage to the tube ends during transportation.
2. Protection – The tube ends and edges should be protected from damage during handling and transportation. This can be achieved by using plastic or metal end caps, which are fixed to the tube ends to prevent them from being damaged.
3. Wrapping – The tubes should be wrapped in waterproof or oil-resistant material to protect them from corrosion during storage and transportation. The wrapping should be securely fastened to prevent it from becoming loose during transportation.
4. Identification – Each bundle of tubes should be identified with a label or tag indicating the product name, steel grade, size, heat number, and other relevant information.
The standard packing is designed to ensure that the welded steel tube P265NL is protected from damage and corrosion during transportation and storage. It also facilitates the handling and identification of the tubes, making it easier to track and trace them throughout the supply chain. The packaging may vary depending on the customer's requirements or the specific application, but it should always comply with the relevant standards and regulations to ensure that the product is delivered in good condition and meets the required quality standards.

Supplier

TAP Vietnam International Investment Joint Stock Company (TAP Vietnam) is a leading supplier of welded steel tube P265NL, EN-10217-4 in the Vietnamese market. The company has a strong reputation for delivering high-quality products and services to its customers, and has established itself as a reliable partner for businesses in the construction and engineering sectors.
Welded steel tube P265NL is a type of seamless steel tube that is widely used in various applications, including pressure vessels, pipelines, and structural components. It is known for its high strength, durability, and corrosion resistance, making it an ideal choice for demanding applications that require reliable and long-lasting performance.
TAP Vietnam offers a wide range of welded steel tube P265NL, EN-10217-4, in different sizes, thicknesses, and lengths to meet the specific needs of its customers. The tubes are manufactured in compliance with the highest international standards and undergo strict quality control procedures to ensure that they meet the required quality and performance specifications.
In addition to supplying welded steel tube P265NL, TAP Vietnam also provides a range of value-added services, such as cutting, bending, and welding, to help customers customize the tubes to their specific requirements. The company also offers technical support and advice to help customers choose the best products and solutions for their applications.
At TAP Vietnam, customer satisfaction is a top priority, and the company is committed to providing timely and efficient services to meet the needs of its customers. Its experienced and dedicated team of professionals work closely with customers to understand their requirements and provide tailored solutions that meet their specific needs.
In conclusion, TAP Vietnam International Investment Joint Stock Company is a leading supplier of welded steel tube P265NL, EN-10217-4, in the Vietnamese market. With its commitment to quality, reliability, and customer satisfaction, TAP Vietnam is a trusted partner for businesses in the construction and engineering sectors, and a valuable contributor to the growth and development of the Vietnamese economy.

Dimensions of Steel tube EN 10217-4
dimensions in mm
Outside diameter D series ^a			Wall thickness T
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
42.4		44.5
48.3
	51
		54
	57
60.3
	63.5
	70
		73
76.1
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
219.1		244.5
273
323.9
355.6
406.4
457
508
508		559
610
610		660
711
711	762
813
813		864
914
1 016
1 067
1 118
1 118	1 168
1 219
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
^aseries 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
					outside diameter D						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					± 1% or ± 0,5 whichever is the greater
D > 219,1					± 0,75 % or ± 6 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
Manufacturing Process						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
Wall thickness T								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
L ≤ 6000								+10 0							+25 0
6000 < L ≤ 12000								+15 0							+50 0
6000 < L ≤ 12000								+15 0							+50 0
L > 12000								+ by agreement 0
L > 12000								+ by agreement 0

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