Welded Steel Tube P235GH, EN-10217-5

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 P235GH, EN-10217-5

Product Name:

Welded Steel Tube P235GH, EN-10217-5

The alternative name or alias of a product:

Welded Steel Pipe P235GH, EN-10217-5

Product Description:

• Material: P235GH, – Steel Number:1.0345
• Type: Welded
• Standard: EN-10217-5
• 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 P235GH is a non-alloy steel tube that is used for high-temperature service. Its chemical composition is as follows:

Steel grade

Si max

P max

S max

Cr max

Ni max

Al tot

Cu^Bmax

Nbmax

Ti max

V max

Cr+Cu+Mo+Ni max

Steel name

Steel number

P235GH

1.0345

≤ 0.16

0.35

≤ 0.12

0.025

0.02

0.30

≤ 0.08

0.30

≥ 0.020^c

0.30

0.010^d

0.03^d

0.02^d

0.70

The carbon content of Welded Steel Tube P235GH is relatively low, which makes it suitable for welding and other fabrication processes. Manganese helps to improve the strength of the steel while phosphorus and sulfur are kept at low levels to prevent the formation of brittleness during high-temperature service. Silicon is added to improve the mechanical properties of the steel, while chromium, nickel, copper, and molybdenum are added to enhance its corrosion resistance. Overall, the chemical composition of Welded Steel Tube P235GH meets the requirements of EN 10217-5 and is suitable for use in various high-temperature applications, including steam boilers, pressure vessels, and piping systems.

Mechanical Properties

The mechanical properties of Welded Steel Tube P235GH, as specified by EN 10217-5, are as follows:

Steel name: P235GH

Steel number: 1.0345

Tensile strength: 410-570 Mpa

Yield strength: 265 MPa minimum

Elongation: 22% min

Impact strength: 27 J minimum at -50°C

The tensile strength of Welded Steel Tube P235GH ranges from 360 to 500 megapascals (MPa), which indicates its ability to resist deformation under tension. The yield strength of the tube is 235 MPa, which means that it can withstand a certain amount of stress without undergoing permanent deformation. The elongation of the tube is 25%, which measures its ability to stretch without breaking.
In addition, the impact strength of Welded Steel Tube P235GH is 40 joules (J) at 20°C, which means that it can absorb a certain amount of energy before breaking. This property is important in applications where the tube is subjected to sudden and dynamic loads, such as in piping systems and pressure vessels.
Overall, the mechanical properties of Welded Steel Tube P235GH meet the requirements of EN 10217-5 and make it suitable for use in high-temperature applications where its strength, ductility, and impact resistance are essential.

Inspection and testing

The inspection and testing of Welded Steel Tube P235GH, as specified by EN 10217-5, involves various methods and procedures to ensure that the tube meets the required quality standards.
The following are some of the key inspection and testing requirements for Welded Steel Tube P235GH:
1. Visual inspection: This involves checking the tube's surface for any visible defects such as cracks, dents, or deformations. The inspector will also verify that the tube dimensions and markings are in accordance with the specifications.
2. Dimensional inspection: This involves measuring the tube's diameter, wall thickness, and length to ensure they meet the required tolerances and dimensions.
3. Ultrasonic testing: This method involves passing high-frequency sound waves through the tube to detect any internal defects such as cracks, voids, or inclusions that may affect the tube's integrity.
4. Tensile testing: This involves applying a pulling force to the tube until it breaks to measure its tensile strength and elongation properties.
5. Impact testing: This involves subjecting the tube to a sudden force to test its ability to withstand sudden and dynamic loads.
6. Chemical analysis: This involves analyzing the tube's chemical composition to ensure it meets the required standards.
7. Hardness testing: This involves measuring the tube's surface hardness to ensure it meets the specified requirements.
These inspection and testing procedures ensure that Welded Steel Tube P235GH meets the necessary quality standards and is suitable for use in high-temperature applications such as steam boilers, pressure vessels, and piping systems.

Pressure and Temperature Ratings of

The pressure and temperature ratings of Welded Steel Tube P235GH, as specified by EN 10217-5, depend on several factors such as the tube's diameter, wall thickness, and operating conditions.
The following are some of the key pressure and temperature ratings for Welded Steel Tube P235GH:
1. Maximum allowable pressure: The maximum allowable pressure for Welded Steel Tube P235GH is determined by the tube's wall thickness, diameter, and operating temperature. The pressure rating is typically given in bar or psi.
2. Maximum allowable temperature: The maximum allowable temperature for Welded Steel Tube P235GH is determined by the tube's wall thickness and material properties. At higher temperatures, the tube's strength and resistance to corrosion may decrease.
3. Operating temperature range: The operating temperature range for Welded Steel Tube P235GH is typically between -20°C and 400°C. However, the actual temperature range may vary depending on the specific application and operating conditions.
4. Bursting pressure: The bursting pressure of Welded Steel Tube P235GH is the maximum pressure that the tube can withstand before it fails or ruptures. This value depends on the tube's diameter, wall thickness, and material properties.
It is important to note that the pressure and temperature ratings for Welded Steel Tube P235GH may vary depending on the specific standards and regulations applicable in different countries or regions. Therefore, it is essential to consult with the relevant authorities and follow the recommended guidelines to ensure the safe and effective use of Welded Steel Tube P235GH in high-pressure and high-temperature applications.

Standard marking for welded steel tubes

Welded Steel Tube P235GH, as per EN 10217-5, should be marked with the following information:
1. Manufacturer's name or trademark
2. Tube dimensions: outer diameter, wall thickness, and length
3. Steel grade: P235GH
4. Manufacturing standard: EN 10217-5
5. Batch or serial number
6. Date of production
The marking can be done by various methods such as paint stenciling, stamping, or labeling with tags. The marking should be legible and indelible to ensure that the tube's identity and quality can be traced throughout its service life.
Additionally, Welded Steel Tube P235GH may also be marked with other information as per the requirements of specific applications or customers. For example, tubes used in the oil and gas industry may be marked with additional information such as API specifications or pressure and temperature ratings. It is important to follow the applicable regulations and standards for the marking and identification of Welded Steel Tube P235GH to ensure its safe and reliable use in various applications.

Standard packing for steel Tubes

Welded Steel Tube P235GH, as per EN 10217-5, is typically packed in a way that protects the tube from damage during transportation and storage. The packaging should also be suitable for the mode of transport used, such as road, rail, sea, or air.
The standard packing for Welded Steel Tube P235GH may include the following:
1. Bundles: Tubes are bundled together using steel straps or plastic bands to ensure stability during transportation. The bundle size may vary depending on the tube dimensions, but typically contains 5-10 tubes.
2. End caps: The tubes' ends are protected with plastic caps to prevent damage from moisture, dust, or other external factors.
3. Waterproof paper: Each bundle may be wrapped in waterproof paper to protect the tubes from moisture and rust during transportation and storage.
4. Wooden crates: For large quantities or longer transportation distances, the bundles may be packed in wooden crates to provide additional protection and stability.
The specific packing method may vary depending on the supplier or customer requirements. It is important to ensure that the packing is appropriate for the specific application and complies with the applicable regulations and standards for the transportation and storage of Welded Steel Tube P235GH.

Supplier

TAP Vietnam International Investment Joint Stock Company, commonly known as TAP Vietnam, is a reputable supplier of high-quality Welded Steel Tube P235GH, as per EN 10217-5 standard. The company has been providing top-notch steel products to various industries for years, and has gained a reputation for its commitment to quality and reliability.
Welded Steel Tube P235GH is commonly used in the petroleum, gas, and chemical industries, as well as in the construction of boilers and pressure vessels. As a supplier of this product, TAP Vietnam ensures that each tube meets the required chemical composition and mechanical properties as specified in the EN 10217-5 standard.
The chemical composition of Welded Steel Tube P235GH includes carbon, manganese, silicon, phosphorus, sulfur, and other elements, which are carefully balanced to ensure the desired properties such as good weldability, high strength, and resistance to corrosion. TAP Vietnam's tubes are also subjected to rigorous quality control measures to ensure that they meet the required mechanical properties, including tensile strength, yield strength, and elongation.
In addition to the quality of the product, TAP Vietnam also pays attention to the packaging and transportation of Welded Steel Tube P235GH to ensure that the product arrives at its destination in good condition. The standard packing includes bundling of tubes using steel straps or plastic bands, protection of tube ends with plastic caps, and wrapping of each bundle in waterproof paper. Wooden crates may also be used for larger quantities or longer transportation distances.
TAP Vietnam's commitment to quality is also reflected in its customer service. The company has a team of experienced professionals who can provide technical support and advice to customers, as well as timely delivery and competitive pricing.
In conclusion, TAP Vietnam International Investment Joint Stock Company is a reliable supplier of high-quality Welded Steel Tube P235GH, as per EN 10217-5 standard. With its commitment to quality, reliability, and customer service, the company has earned the trust and satisfaction of its customers in various industries.

Dimensions of Steel tube EN 10217-5
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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