Welded Tubes EN10217- 4

EN 10217-4 Welded Steel Tube: Everything You Need to Know

EN 10217-4 is a European standard for welded steel tubes used in pressure purposes. This standard specifies the technical delivery conditions for circular welded steel tubes made of austenitic and austenitic-ferritic stainless steel grades. In this article, we will discuss everything you need to know about EN 10217-4 welded steel tubes, including their features, benefits, and applications.

Features of EN 10217-4 Welded Steel Tube

EN 10217-4 welded steel tubes come with various features that make them suitable for a wide range of applications. Some of these features are:

High resistance to corrosion: EN 10217-4 welded steel tubes are made of austenitic and austenitic-ferritic stainless steel grades, which offer high resistance to corrosion in a wide range of environments.
High strength: These tubes are designed to withstand high pressure and have excellent tensile strength.
Uniformity: EN 10217-4 welded steel tubes are manufactured to meet strict dimensional tolerances, ensuring uniformity in their size and shape.
Durability: These tubes are durable and have a long service life, making them an ideal choice for many industrial applications.

Benefits of EN 10217-4 Welded Steel Tube

EN 10217-4 welded steel tubes offer several benefits, including:

Versatility: These tubes are versatile and can be used in a wide range of applications, including in the chemical, pharmaceutical, and food industries.
Cost-effectiveness: EN 10217-4 welded steel tubes are cost-effective compared to other materials used in high-pressure applications.
Easy to install: These tubes are easy to install and require minimal maintenance, reducing the overall cost of ownership.
Environmentally friendly: EN 10217-4 welded steel tubes are environmentally friendly and can be recycled, making them an ideal choice for sustainable development.

Applications of EN 10217-4 Welded Steel Tube

EN 10217-4 welded steel tubes find applications in a wide range of industries, including:

Chemical industry: These tubes are used in the chemical industry to transport fluids, gases, and chemicals at high pressure and temperatures.
Food industry: EN 10217-4 welded steel tubes are used in the food industry to transport food products and beverages.
Pharmaceutical industry: These tubes are used in the pharmaceutical industry to transport fluids and gases used in the manufacturing of pharmaceutical products.
Oil and gas industry: EN 10217-4 welded steel tubes are used in the oil and gas industry to transport oil and gas products at high pressure and temperatures.

Conclusion

EN 10217-4 welded steel tubes are an excellent choice for applications that require high strength, corrosion resistance, and durability. They offer a range of benefits, including cost-effectiveness, versatility, and ease of installation. These tubes find applications in a wide range of industries, including the chemical, food, pharmaceutical, and oil and gas industries. If you need high-quality welded steel tubes for your industrial applications, consider EN 10217-4 welded steel tubes.

Supplier.

TAP Vietnam International Investment Joint Stock Company, commonly known as TAP Vietnam, is a well-established supplier of high-quality welded steel tubes in Vietnam. The company specializes in providing EN 10217-4 welded steel tubes, which are widely used in various industrial applications such as oil and gas, construction, and transportation.

TAP Vietnam prides itself on its commitment to delivering top-notch products and services to its clients. The company has a team of highly skilled professionals who are experts in the field of steel tube manufacturing and distribution. With years of experience in the industry, TAP Vietnam has built a reputation for reliability, consistency, and customer satisfaction.

At TAP Vietnam, quality is a top priority. The company uses only the best materials and manufacturing processes to produce its EN 10217-4 welded steel tubes. TAP Vietnam's products are tested to meet the highest industry standards, ensuring that they are safe, durable, and reliable.

In addition to its commitment to quality, TAP Vietnam also focuses on innovation and sustainability. The company is constantly exploring new technologies and methods to improve its products and processes. TAP Vietnam also places a strong emphasis on environmental responsibility, working to minimize its impact on the environment and promote sustainability in all aspects of its operations.

Overall, TAP Vietnam is a leading supplier of EN 10217-4 welded steel tubes in Vietnam, known for its high-quality products, excellent customer service, and commitment to innovation and sustainability.

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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